Attachment 0001 DEUCE ATPD-2184.pdf

PUR DESC-ATPD-2184

21 March, 2000

PURCHASE DESCRIPTION

EARTHMOVER, DEPLOYABLE UNIVERSAL COMBAT

1. DOCUMENT.

1.1 Scope. This document contains the purchase description and the requirements for air transportable, air droppable, self deployable bulldozer and tractor.

2. APPLICABLE DOCUMENTS

2.1 Government documents.

2.1.1 Specifications and standards. The following specifications and standards form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards

(DODISS) and supplement thereto, specified in the solicitation, form a part of this specification to the extent specified herein.

DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.

Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: USA Tank-Automotive and Armament Command, ATTN: AMCPM-CE, Warren, MI 48397-5000 by using the Standardization Document Improvement

Proposal (DD Form 1426) appearing at the end of this document or by letter.

AMSC N/A FSC 2430

PUR DESC - ATPD-2184

SPECIFICATIONS

FEDERAL

VV-F-800 - Fuel, Oil, Diesel

MILITARY

MIL-A-46153 - Antifreeze, Ethylene Glycol, Inhibited, Heavy Duty, Single Package.

MIL-L-2104 - Lubricating Oil, Internal Combustion Engine, Arctic.

MIL-T-704 - Treatment and Painting of Material

MIL-T-62314 - Test Equipment (Simplified) For Internal Combustion

Engines-Programmable (STE-ICE-R) Test Set.

MIL-T-83133 - Turbine Fuels, Aviation, Kerosene Types, NATO F-34

(JP-8) And NATO F-35.

STANDARDS

MILITARY

MIL-STD-209 - Slinging and Tiedown Provisions for Lifting and Tying

Down Military Equipment.

MIL-STD-669 - Loading Environment and Related Requirements for

Platform Rigged Air Drop Material

MIL-STD-814 - Requirements for Tiedown, Suspension and Extraction

Provisions on Military Material for Air Drop

MIL-STD-1366 - Transportability Criteria.

MIL-STD-1791 - Designing for Internal Aerial Delivery in Fixed Wing

Aircraft

APPLICABLE MILITARY STANDARD COMPONENTS

MS51330A - Stop Light-taillight, Vehicular-24, "Blackout Tail, Blackout Stop.

MS51318 - Headlight, Blackout, 24 Volt Waterproof.

MS51118 - Pintle Assembly, Towing 40,000 pounds Capacity, Manual Release.

MS52126 - Composite, Light Front-Turn, Park And Marker.

MS52131 - Connector, Plug, Electrical Intervehicle Power Cable.

MS53052 - Bracket Assembly, Liquid Container, Five Gallon.

MS500004 - Pad Eye-Vehicular Towing Lug

MS500048 - Towbar, Motor Vehicle Light, Medium And Heavy Duty

(For Vehicles 2 1/2 To 50 Tons & Heavier).

INTERNATIONAL STANDARDS

ISO 9000 - ANSI/ASQC Q90 Terms and Concepts

ISO 9001 - ANSI/ASQC Q91 System Model for External Quality

ISO 9002 - ANSI/ASQC Q92 Production and Installation

ISO 9003 - ANSI/ASQC Q93 Final Inspection and Testing

ISO 9004 - ANSI/ASQC Q94 Guidance for Designing and

Implementing Quality Systems without mandating

Requirements

(Unless otherwise indicated, copies of federal and military specifications, standards, handbooks and commercial item descriptions are available from the

Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.)

2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those in effect on the date of the solicitation.

ARMY DRAWINGS

D5-15-8779 - Interface for M-8 Alarm.

12258941 - Connector.

12258955 - Connector.

8383802 - Medium Tow Bar.

13229E8014 - Rifle Mount.

ARMY REPORTS

Report Number

CR-82-588-003 - STE/ICE Design Guide for Vehicle Diagnostic

Connector Assembly.

ARMY NATIONAL STOCK NUMBERS

NSN 6625-01-352-3060 - CONTACT TEST Set - III (CTS-III)

AN/PSM-80(V) (Substitute for STE/ICE-

R)

ARMY SUPPLY CATALOGS

Tool Kit, General Mechanics, SC 5180-90-CL-N26

Shop Equipment, Automotive Maintenance and Repair, Common #1 Less Power

SC 4910-95-CL-A74

ARMY TRAINING BULLETINS

TB 385-5 SAFETY MANUAL, CRAWLER TRACTOR

DEPARTMENT OF AGRICULTURE (DOA)

Forest Service Standard 5100-1 - Spark Arresters.

DEPARTMENT OF LABOR, OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA)

29 CFR, Occupational Safety and Health Standards

(Applications for copies should be addressed to the Superintendent of Documents, Government Printing Office Washington D.C. 20402).

AMERICAN SOCIETY for TESTING of MATERIALS (ASTM)

ASTM-D-3951 Standard Practice for Commercial Packaging

ENVIRONMENTAL PROTECTION AGENCY

Code of Federal Regulations, 40 CFR 85.1703 (a).

(Application for copies should be addressed to the Public Affairs Office, Environmental Protection Agency, Rockville, MD 20852.)

2.2 Non-Government publications. The following document(s) form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted are those listed in the issue of DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the documents in effect on the date of release of the solicitation.

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

B56.9 - Safety Standards for Operator Controlled Industrial

Tow Truck

Z26.1 - Safety Glazing Materials for Glazing Motor Vehicles

Operating on Land Highways.

Z531.1 - Safety Color Code

Z535.3 - Criteria for Safety Symbols

(Application for copies should be addressed to the American National Standards

Institute, Inc., 1430 Broadway, New York, NY 10018.)

NATIONAL FLUID POWER

T3.20.2 - Hydraulic Fluid Power - Quick Action Coupling - Test

Methods.

(Application for copies should be addressed to National Fluid Power, 3333 N.

Mayfair Road, Suite 311, Milwaukee, WI 53222-3219.)

SOCIETY OF AUTOMOTIVE ENGINEERS (SAE)

J20 - Coolant System Hoses.

J30 - Fuel and Oil Hoses.

J48 - Guidelines for Liquid Level Indicators

J88 - Sound Measurement-Earthmoving Machinery-Exterior.

J154 - Operator Enclosures Human Factor Design Considerations.

J164 - Radiator Caps and Filler Necks.

J185 - Access Systems for Off-Road Machines.

J198 - Windshield Wiper Systems - Trucks, Buses, and

Multipurpose Vehicles.

J209 - Instrument Face Design and Location for Construction and

Industrial Equipment.

J231 - Minimum Performance Criteria for Falling Object

Protective Structure (FOPS).

J297 - Operator Controls on Industrial Equipment.

J300 - Engine Oil Viscosity Classification.

J313 - Diesel Fuels, Recommended Practices.

J350 - Spark Arrester Test Procedure for Medium Size Engines.

J382 - Windshield Defrosting Systems Performance Guidelines

Trucks, Buses, and Multi-Purpose Vehicles.

J429 - Mechanical and Material Requirements for Externally

Threaded Fasteners.

J514 - Hydraulic Tube Fittings.

J516 - Hydraulic Hose Fittings.

J517 - Hydraulic Hose.

J518 - Hydraulic Flanged Tube, Pipe, and Hose Connections, 4-bolt Split Flange Type.

J524 - Seamless Low Carbon Steel Tubing Annealed for Bending and

Flaring.

J525 - Welded and Cold Drawn Low Carbon Steel Tubing Annealed for Bending and Flaring.

J531 - Automotive Pipe, Filler, and Drain Plugs

J532 - Automotive Straight Thread Filler and Drain Plugs

J534 - Lubrication Fittings.

J551 - Performance Levels and Methods of Measurement of

Electromagnetic Radiation from Vehicles and Devices (30 to 1000 Mhz).

J553 - Circuit Breakers.

J614 - Engine and Transmission Dipstick Marking.

J647 - Transmissions, Schematic Diagrams, Recommended Practice

J648 - Automatic Transmission Hydraulic Control Systems -

Terminology, recommended Practice

J649 - Automatic Transmission Functions - Terminology

J678 - Speedometers and Tachometers - Automotive.

J695 - Turning Ability and Off Tracking-Motor Vehicles.

J697 - Safety Chain of Full Trailers or Converter Dollies

J726 - Air Cleaner Test Code

J744 - Hydraulic Pump and Motor Mounting and Drive Dimensions.

J748 - Hydraulic Directional Control Valves, 3000 psi

Maximum.

J753 - Maintenance Interval Chart.

J754 - Lubricant Types, Construction and Industrial Machinery

J817 - Serviceability Analysis

J821 - Electrical Wiring Systems for Construction, Agricultural and Off-Road Machines.

J833 - Human Physical Dimensions.

J898 - Control Locations for Off-Road Work Machines.

J899 - Operator's Seat Dimensions for Off-Road Self-Propelled

Work Machines.

J919 - Sound Measurement, Earthmoving Machinery

J942 - Passenger Car Windshield Washer Systems.

J994 - Alarm - Backup - Electric- Performance, Test, and

Application.

J1013 - Measurement of Whole Body Vibration of the Seated

Operator of Off-Highway Work Machines

J1024 - Fueled-Fired Heaters - Air Heating - For Construction and

Industrial Machinery.

J1040 - Performance Criteria for Rollover Protective Structures

(ROPS) for Construction, Earthmoving, Forestry, and

Mining Machines.

J1100 - Motor Vehicle Dimensions.

J1105 - Horn-Forward Warning-Electric-Performance, Test and

Application

J1127 - Battery Cable.

J1141 - Air Cleaner Elements

J1163 - Determining Seat Index Point

J1165 - Reporting Cleanliness Levels of Hydraulic Fluids.

J1176 - External Leakage Classifications for Hydraulic Systems.

J1199 - Mechanical and Material Requirements for Metric

Externally Threaded Steel Fasteners.

J1234 - Specification Definitions - Off-Road Work Machines.

J1292 - Automobile, Truck, Truck-Tractor, Trailer, and Motor

Coach Wiring.

J1298 - Hydraulic Systems Diagnostic Port Sizes and Locations.

J1362 - Graphical Symbols for Operator Controls and Displays on

Off-Road, Self-Propelled Work Machines.

J1447 - Fire Resistant Fluid Usage in Hydraulic systems of

Off-Road Work Machines, Report

J1473 - Brake Performance - Rubber Tired Earthmoving Machines

J1453 - Fitting -- O-Ring Face Seal.

J1502 - Hydraulic Diagnostic Couplings.

J1503 - Performance Test for Air-Conditioned, Heated, and

Ventilated Off-Road Self-Propelled Work Machines.

J1508 - Hose Clamp Specifications

J1513 - Automatic Slack Adjuster Performance Requirements.

J1587 - Joint SAE/TMC Electronic Data Interchange Between

Microcomputer Systems in Heavy-Duty Vehicle

Applications.

J1814 - Operator Controls - Off Road Machines

J1703 - Motor Vehicle Brake Fluid, Standard

J1708 - Serial Data Communications Between Microcomputer

Systems in Heavy Duty Vehicle Applications.

J3054 - Oil, Lubricating, Low Temperature for - 55 Degrees

C(-67 Degrees F) service

(Application for copies should be addressed to the Society of Automotive

Engineers, 400 Commonwealth Drive, Warrendale, PA 15086.)

2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, (except for related associated detail specifications, specification sheets or MS standards), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.

3.0. REQUIREMENTS.

3.1 Description. The Deployable Universal Combat Earthmover (here in and after called "DEUCE", bulldozer or tractor with attachments) shall be a high speed, high mobility, self deployable, diesel-engine-driven bulldozer with dual mode suspension and with a six-way blade, hydraulic power tool attachment (see paragraphs 3.1 thru 3.43.4). The tractor shall conform to all Federal laws and regulations governing safety, noise levels and environmental protection , which are in effect for this type of equipment.

3.1.1 Dimensions. The overall width and length of the bulldozer(tractor, with attachments) blade mounted and stowed, shall conform to the overall size and height limitations [90 inches (suspended)/84.5 inches (without suspension action) for airdrop only] for the C-130 Aircraft and shall be within the dimensions specified in MIL-STD-1366.

3.2 First article. Unless otherwise specified, a bulldozer shall be subjected to first article inspection and examination (see 6.3) in accordance with 4.4. and

4.4.1.

3.3 Material. Material shall be as specified herein. Materials not specified shall be selected by the contractor and shall be subject to all provisions of this specification. All rubber products furnished shall be not more than four (4) calendar quarters old from the date of cure of the rubber to the date of manufacture of the tractor.

3.3.1 Material deterioration, prevention and control. The bulldozer(tractor) shall be fabricated from compatible materials, inherently corrosion resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the operating and storage environments to which the tractor may be exposed.

The tractor and mounted equipment shall be capable of operation for a total service life of 15 years which can include varying or extended periods in a corrosion hazard military environment involving high humidity, salt spray, road de-icing chemicals and atmospheric contamination. During this 15 year period there shall be no perforation or other damage caused by corrosion requiring repair or replacement of parts. Such capability shall be achieved by a combination of design features, materials selection and production techniques. No actions beyond normal washing and replacement of damaged paint shall be necessary to keep the corrosion prevention in effect.

The contractor shall provide certification to the above at the time of first article examination (see 4.4, 4.4.1).

3.3.2 Identification of materials and finishes. The contractor shall identify all areas where specific commercial materials were applied to prevent corrosion, rust or galvanic action. The contractor shall use commercially available coatings and material finishes or treatments and shall indicate which components and subcomponents where treatment was necessary to achieve the 15 year life expectancy. The contractor shall provide certification to the above at the time of first article examination (see 4.4, 4.4.1).

3.3.3 Recovered materials. Used, rebuilt or remanufactured components, pieces and parts shall not be incorporated in the tractor.

3.3.4 Fasteners. Fasteners and screw threads shall be in accordance with

SAE J 429, and SAE J 1199.

3.3.5 Asbestos material, Cad Plating and Radio Active Materials. Asbestos material, cadmium plating and Radio Active Materials shall not be used.

Radioactive material is defined by 1) Title 10, Code of Federal Regulations, Part 40, and 2) Other radioactive material in which the radioactivity is greater than 0.002 microcuries per gram or 0.01 microcuries total activity for the item.

3.3.6 Components. The tractor and all of its components shall be used within currently published rated capacities. The engine and driveline components shall be certified by the contractor as being compatible with and properly matched with all related or affected components assembled to meet this specification. The blade, engine, transmission, and torque converter shall be sold in substantial quantities in applications requiring high, sustained drawbar and travel speeds of

25-30 mph.

3.3.7 Environmental, Safety, and Energy, Standards and Regulations.

3.3.7.1 All DEUCE vehicles shall be in compliance with all applicable regulations and standards pertaining to off road machines, as directed herein.

3.4 Operational Environmental requirements.

3.4.1 Operational temperatures. The tractor shall be capable of starting within

5 minutes and operating within 15 minutes of starting while in the temperature range of 120 degrees F to -25 degrees F, at an altitudes as specified in 3.4.4, without the use of a kit.

3.4.1.1 Arctic Operation. The tractor shall be capable of starting within 45 minutes and operating within 15 minutes after start, when at the temperatures from

-25 degrees F to -40 degrees F and at altitudes as specified in 3.4.4 in production configuration, or with the use of an arctic kit.

3.4.2 Storage and Operation. The bulldozer shall operate in all applicable modes, self deployable and earthmoving, after long term storage conditions as when subjected to the required operational environments and the expected user storage environments.

3.4.3 Operation in Rain. The bulldozer shall be capable of starting and operation in self deployable mode and in a rain falling at a rate of 4 inches per hour, without leakage of water into the torque converter oil chamber, engine crankcase sump, transmission, transfer case, (if used), electronic enclosures, fuel tank, brake system, and hydraulic system.

The cab and cab components such as doors, windows, cab heater, defroster, ventilation system and NBC system, shall not exhibit water leakage at the same rainfall rate.

3.4.4 Operational Altitude. The tractor shall be capable of starting and achieving full operational capability in self deployable and earthmoving modes and while at altitudes from sea level up to 5,000 feet above sea level while in the temperature range as specified in paragraph 3.4.1. This requirement shall be certified by the engine manufacturer and shall be supplied to the Government with engine test data to support the certification.

3.5 Safety. The bulldozer shall conform to the applicable safety requirements of

ANSI Z26.1, SAE J185 and Army TB 385-5.

The bulldozer (tractor) shall comply with all safety standards for operation and maintenance as applicable to Off-road construction equipment, Winch/hoist operations and towing safety of equipment/vehicles with gross weights similar to the bulldozer.

All sharp edges or protruding objects shall be rounded or padded.

All rotating and reciprocating parts, and parts subject to high temperature shall be guarded when such parts are exposed to contact by operator and maintenance personnel or otherwise create a hazard.

All rotating and reciprocating parts, and parts subject to or capable of producing electrical shock shall be guarded when such parts are exposed to contact by operator and maintenance personnel or otherwise create a hazard.

High temperature areas that exist shall be labelled to warn operators and maintainers.

Fuel tank(s) shall be located in a manner which will not allow fuel spills or overflows to run onto engine, exhaust or electrical equipment.

All platforms, steps, and pedals shall have non-skid surfaces.

Access/Egress to all working platforms shall conform to SAE J185.

3.5.1 Roll Over Protective Structures (ROPS) and Falling Objects Protective

Structures (FOPS). The bulldozer (tractor) shall be equipped with a complete ROPS and FOPS structure conforming to SAE J1040 as it applies to bulldozers (tractors), and SAE J231.

The ROPS and FOPS shall be free from sharp edges, particularly at any point where a sling may come in contact during lifting (see 3.29) or at points likely to be contacted by personnel.

3.5.2 Seatbelt. An adjustable weather-resistant seatbelt, conforming to the SAE specification J386 for off-road machines, shall be furnished for the operator.

The lap belt harness shall have an inertial locking mechanism or a separate quick-attach latch plate.

As a minimum, the seatbelt anchorage and assemblies shall be certified to meet the requirements of J386.

3.5.3 Back-up Alarm. The back-up alarm shall conform to SAE J994 type A and shall provide a signal which is audible above and distinguishable from the surrounding noise level.

The alarm shall be non-operational in the blackout mode and shall be capable of being switched off from the operators station per mission requirements.

3.6 Human factors. The bulldozer (tractor with all attachments), when operated and/ or maintained using all operator and maintainer operations specified herein, shall conform to human physical dimensions and human factors engineering design criteria as described in SAE J833.

Human strength and Army protective garments shall conform to Mil-STD-1472.

3.6.1 Noise. Noise levels produced by the bulldozer shall comply with the requirements of MIL-STD-1474 and when tested in accordance with 4.6.2.8.

3.6.1.1 Interior noise. The cab interior noise procedure level not exceed 85dbA when measured in accordance with procedures specified in SAE J919. Noise shall be measured at the operators head position for an operator conforming to the minimum and maximum requirements of SAE J833 and with all windows, doors, hatches closed and with all defrost and/or heater fans operational, and with the engine running at tactical idle speed.

3.6.1.2 Exterior noise. Exterior noise shall not exceed 85 dbA when tested in accordance with SAE J88 for bulldozers and construction equipment.

3.6.2 Manpower. The bulldozer (tractor with attachments) shall be operable and maintainable by qualified operators and maintainers which conform to SAE J833, while wearing the full range of Army clothing, including Kevlar helmet/Load

Bearing Equipment(LBE), MOPPIV, NBC and arctic gear (see 3.41.b). (Reference Mil-

STD-1472 and SAE J 833).

3.6.2.1 Operator. The operator, while in Helmet/LBE, NBC gear or in arctic equipment, shall perform all driving and earthmoving operations as the mission requires. The operator shall be evaluated while performing operations and maintenance procedures under cold conditions and under NBC conditions as specified.

The operator shall be capable of actuating all controls (i.e., levers, switches, pedals, knobs, and handles) without interference caused by the helmet/LBE, arctic clothing and/or NBC (MOPPIV) gear that is detrimental to the operation of the bulldozer.

3.6.2.2 Maintainer. The maintainer, while in shirt sleeves/helmet/LBE, arctic gear or MOPPIV gear, shall be capable of performing all service tasks. The maintainer shall be capable of all unit level maintenance and service tasks including:

- removal and replacement of the engine air cleaner element

- removal or replacement of engine oil and/or engine oil filters

- removal and replacement of the High Pressure air cleaner element

- removal or replacement of hydraulic oil and/or hydraulic oil filters

- removal of water from the high pressure air reservoir

- removal of filter elements from the fuel-water separator system

- removal of oil samples

- removal and replacement of the torque converter and transmission oil filter elements and strainers

- removal and replacement of the batteries, battery cables

- remove and replace light bulbs

- lubricate all lube fittings per lube order

- adjust brakes and refill the master cylinder

- remove and replace engine cooling fluids

- removal or replacement of hydraulic oil and/or hydraulic oil filters

- inspection of all components for leaks and damaged components

(The arctic clothing will be supplied as Government furnished equipment, GFE).

(The MOPPIV gear will be supplied as Government furnished equipment GFE).

3.7 RESERVED.

3.8 Reliability and Maintainability (RAM). Definitions of RAM terms can be found in MIL-STD-721 and shall apply except as otherwise specified herein.

3.8.1 Reliability. During the RAM test sequences, the bulldozer (tractor with attachments), shall have the following minimum reliability characteristics when evaluated to the DEUCE Failure Definition and Scoring Criteria as defined in the

DEUCE RAM Rational Report (see Attachment 1.):

70 hours Mean Time between System Aborts (MBTSA).

47 hours Mean Time Between Essential Function Failure (MTBEFF)

For purposes of scoring these parameters, aborts and failures are chargeable to hardware.

3.8.2 Maintenance Ratio. The bulldozer shall not exceed a maintenance ratio (MR) of 0.51 maintenance manhour per operating hour.

All maintenance operations and contractor's maintainer data shall be made available to the Government. All data which concerns the inability of the maintainer to perform maintenance tasks at the unit level shall be identified and failure analysis performed.

3.9 RESERVED.

3.10 Performance.

3.10.1 Stability. Stability requirements for the bulldozer (tractor with attachments) specified herein shall be met in all of the following combinations of slopes up to and including 60 percent, in all environments and operational modes.

3.10.1.1 Dynamic Stability. The bulldozer (tractor) shall perform all operations on 30 percent side slopes. While in the earthmoving mode, the tractor shall be capable of climbing 60 percent longitudinal slopes. In the Self Deployable mode the tractor shall be capable of climbing at least a 30 percent longitudinal slope.

The tractor shall operate on these slopes conditions and under all modes of operation without malfunction, damage, permanent deformation, or without exceeding specified temperature limits for the cooling system (3.11.5), engine (3.11), or transmission oil (3.12.1.1 or 3.12.1.2 as applicable) and without leaking fuels, lubricants or coolants.

There shall be no evidence of engine stalling, hesitation, leaking of fuels, lubricants or coolants, no loss of mobility or stability, or reduction of oil pressure below the engine manufacturer's recommended limits while performing these operations.

3.10.2 Gradeability. The bulldozer (tractor with attachments), while in self deployable mode, shall perform the gradeability requirements as defined below, in

3.10.2.1, on a dry surface free from loose material.

The bulldozer (tractor with attachments), while in earthmoving mode, shall perform the gradeability requirements as defined below, in 3.10.2.1 and 3.10.2.2, on compacted sandy loam soil.

The bulldozer (tractor) shall perform these operations in both modes without malfunction, damage, permanent deformation, or without exceeding specified temperature limits for the cooling system (3.11.5), engine (3.11), or transmission oil (3.12.1.2).

3.10.2.1 30 percent grade. The bulldozer (tractor), while in self deployable mode or in the earthmoving mode, shall ascend a 30 percent grade in forward and/or reverse gear range at a speed of not less than 1.5 mph.

3.10.2.2 60 percent grade. In both the forward and reverse gear, the bulldozer

(tractor), in earthmoving mode, without load, shall be capable of ascending and descending a 60 percent grade on a dry surface with intermediate braking, holding and engine starts and stops.

3.10.3 Turning Clearance. The turning clearance limits as specified in paragraph 3.10.3.1 is for tracked bulldozers on compacted sandy soils and concrete surfaces as found on roads, airstrips or landing pads.

3.10.3.1 Curb to Curb turning clearance. The curb to curb turning diameter of the tractor with attachments (bulldozer), while in the self deployable mode, shall not exceed 24 feet in one continuous movement in the forward direction on surfaces as described in 3.10.3.

3.10.4 Drivetrain performance. The bulldozer (tractor) shall be furnished with a hand actuated, operational mode control or switch which will enable the operator to select between self deployable and earthmoving operational modes. The control shall be labeled "SELF DEPLOY" and "EARTHMOVING" in accordance with paragraph 3.6.

The drive train shall be capable of being shifted through all gears, from the lowest gear to the highest gear, in each range and in each mode, without stopping the vehicle. Driver call for down shifting to the next lower gear shall be withheld by a lockout until suitable engine speeds, transmission speeds, suspension operations are obtained.

3.10.4.1 Self deployable mode. A safety device shall be installed to prevent selection of the self deployable mode without the blade being locked in the travel position. When the self-deployed mode is selected, the bulldozer (tractor with dual mode) suspension shall become unlocked. (3.20).

The drivetrain and suspension shall perform to those levels as described for the self deployable mode per paragraph 3.10.4 and 3.12.

3.10.4.1.1 RESERVED

3.10.4.1.2 Self deployable speed. The bulldozer (tractor with attachments) while in the self deployable mode, shall be capable of a speed of not less than 30 miles per hour while on a paved zero (0) percent grade, and a speed not less than 15 miles per hour on cross-country terrain.

3.10.4.2 Earthmoving mode. When the "Earthmoving" mode is selected, the dual mode suspension shall become locked in forward gears ( 3.17.5) to provide a stable platform, the hydraulic system shall be enabled (3.20) and the drivetrain shall perform to those levels in 3.12. and 3.12.1. All modes of steering (3.18) shall be selectable in the earthmoving mode.

3.10.4.2.1 Speed in Earthmoving Mode. The tractor, equipped as specified herein, without towed load, shall travel at not less than the following speeds when the engine is operating at full-load governed speed; average forward speeds of 1.7 mph in low gear and 6 mph in high gear forward, Low gear reverse 4 mph, and high gear reverse 12 mph.

3.10.4.3 Underclearance. The ground clearance of the bulldozer (tractor with attachments), as defined in SAE J 1234, shall not be less than 12 inches

(24 inches desired) and shall apply with the bulldozer fully fueled and serviced.

When the underclearance is measured, the hydraulic fittings, hoses, tubing, and linkages shall not be the lowest portion of the tractor. These items shall be protected by structural members or rock guards from being the lowest portions of the bulldozer. All hoses and linkages shall be protected from striking obstacles or becoming damaged by contact with brush or debris by appropriate guards.

3.10.5 Fording. The bulldozer (tractor with attachments), shall be capable of operation in both modes (Self deployable, Earthmoving)in fresh water and seawater, to a fording depth of 36 inches including wave height without prior preparation and without a fording kit.

The bulldozer shall provide adequate means for drainage for the water as accumulated during the fording operations and when required, shall be operated by use of a handle to open or close the drain in the engine compartment and/or cab as applicable.

3.10.6 Endurance. The bulldozer (tractor with attachments), shall be capable of completing 600 hours of operation in any or all modes and speeds and as specified in 4.6.2.11 without an endurance failure, damage, or permanent deformation of the bulldozer components, blade components, other attachments and equipment and without exceeding specified temperature limits for the cooling system (3.11.5), engine (3.11), transmission oil (3.12.1.2 or 3.12.1.3), or hydraulic system

(3.20).

3.10.7 Earthmoving capability. In the earthmoving mode, the bulldozer (tractor with attachments), shall perform earthmoving and dozer digging operations including ditching, backfilling slope operations, winching, artillery positions, combat trails, runway clearance, digging tank traps, and wide area clearing.

The bulldozer shall be capable of dozing and moving a volume of soil equal to

200 cubic yards per hour in accordance with 4.6.2.24 and within the environmental criteria as specified above in paragraphs 3.4, 3.4.1, 3.4.1.1, 3.4.2, 3.4.4 and

3.10.4.2.

3.10.7.1 Digging capability. The bulldozer (tractor with attachments) shall be capable of digging a pit, tank trap or trench in appropriate compacted or banked soils as equal to or greater than 200 cubic yards per hour and within the environmental criteria as specified above in paragraphs 3.4.1, 3.4.2, 3.4.3, 3.4.4 and 3.10.4.2.

3.10.8 Drawbar Pull. In the earthmoving mode, the bulldozer(tractor) shall perform drawbar pulling operations with the bulldozer in forward lowest gear.

The minimum drawbar performance shall be 25,000 pounds pull at an average speed of

1.0 mph. This drawbar effort shall be tested in accordance with SAE J872.

3.11 ENGINE RATINGS. All engine ratings shall be referenced to SAE J1349 standard conditions 77 degrees F and 29.61" Hg for comparison of test data and applicable engine parameters.

3.11.1 Engine Design. The engine, including all systems, components, and accessories, shall conform to manufacturers specifications, unless otherwise specified herein.

All vents, fillers and combustion air intakes shall be located above the fording level and the wave height.

The engine oil shall conform to SAE standards and equivalent to MIL-L-2104

Lubricating Oil.

Unless otherwise specified herein, the engine shall be designed to meet all operational requirements and conditions specified in the engine manufacturer's recommended operating limits when operating in a 120 F ambient outside air temperature and/or at 5,000 feet above Sea level.

Certification of conformance to the manufacturers specifications shall be provided to the Government at the time of first article examination (see 4.4.1).

3.11.1.1 Power and speed rating. The power and speed rating of the engine shall be such that operation of the bulldozer (tractor), under any of the operational requirements and conditions specified herein, will not require horsepower in excess of the intermittent horsepower rating of the engine for the applicable governed speed as established by the engine manufacturer when operating on JP-8 fuel and conforming to paragraphs 3.11 thru 3.11.11.

3.11.1.2 Emissions ratings. The engine shall meet the 1997 EPA Non-Road emission standards. Certification (see 4.4.1) from the engine manufacturer shall be provided for operation on fuels specified.

3.11.2 Engine accessories.

3.11.2.1 Starting Aides/Priming system. If a diesel engine is specified, an electrical Glow Plug starting system or ether aid starting system shall be furnished to aid the engine starting capability in cold weather below 25 degrees

F.

A glow plug shall be placed in each cylinder of all engines with an assisted starting system and shall be in accordance with the engine manufacturer's recommendations.

If required to aid engine starting, a ether aid system shall be furnished.

The ether aid system controls shall be accessible in the cab and hand operated by the operator while seated. The operation of the fuel priming system shall not cause the operator to dismount from the cab in order to prime the engine.

The glow plug and/or the ether aid system shall be furnished with a lock-out system based on the ambient temperature. The lock-out control shall prevent glow plug operation or ether aid operations when the ambient temperature is above 32 F or the engine is warm or running.

3.11.2.2 Alternator. A heavy duty 24 volt D.C. alternator with double mounting lugs, equipped with electrically insulating boots, shall be provided for the bulldozer (tractor). The alternator's capacity, at the rated engine operating speed, shall be designed to exceed by a minimum of 10 amps, the power required to operate all vehicle electrical and electronic components (to include kits, see

3.35 and to exclude the starter system) while simultaneously providing a charge to the battery. The alternator, while operating at engine idle speed, shall provide sufficient charge to sustain the engine and simultaneously provide a battery charge. The 24 volt D.C. regulator shall be integral with the alternator.

3.11.2.3 Starting system. Means shall be provided to permit starting of the engine from the operator's position.

A means shall be furnished to prevent the operator from energizing the starter motor whenever the engine is running.

A starter interlock (neutral safety switch) to prevent the engine from being started in gear, shall be provided.

The starting electrical system shall be equipped with current surge, low battery voltage and reverse polarity protection.

The NATO slave starting mode shall not bypass those starter protection devices as outlined above.

Auxiliary power units (APUs) will not be allowed.

The starter motor and solenoid shall be in accordance with the engine manufacturer's recommendations.

The starter motor shall be positioned for ease of maintenance and shall be weathertight or waterproof, if below the fording level specified in 3.10.5.

3.11.3 Fuel system. The capacity of the fuel tank shall be sufficient for 10 hours of operation in the earthmoving (digging) mode or 200 miles high speed (self deployable mode) operation, whichever operation requires the greater amount of fuel.

A sealed filler cap and vent shall be furnished if the fuel tank is below the fording depth or wave action while fording. The fuel-tank filler cap shall be chain retained to the tank.

The fuel system shall have provisions for priming and suitable controls for the operator to successfully prime the engine prior to starting under all low temperature conditions below 25 degrees F per paragraph 3.11.2.1.

The fuel system shall have a fuel shutoff valve located near tank outlet, if the fuel filter(s) is located lower than the fuel tank

3.11.3.1 Fuel Acceptance. The fuel tank(s) shall be designed accept gravity fill fuel at the minimum rate of 5 gallons per minute.

The fuel tank(s) shall be located so that it can be filled directly from a standard 5-gallon fuel can by a person standing on the ground or a surface on the tractor intended for standing.

The fuel tank shall be able to accept a fuel nozzle of up to 2.625 inch diameter with sufficient air release clearance.

Removable reusable strainers are required in the fuel filler inlet(s).

3.11.3.1.1 Fuel tank. The fuel tank shall be equipped with a drainplug at the lowest point of the tank. The drainplug shall be removable with hand tools without the removal of any other component and shall be located such that the tank contents can be drained into a container.

Metal fuel tank components shall be corrosion protected.

The fuel tank(s) shall be externally painted , and shall be protected by position or otherwise from external damage.

The fuel fill port shall be designated as such, by use of industry accepted symbology or labelling, permanently affixed to the fuel cap or tank.

3.11.3.2 Fuel-Water separator. The fuel system for the bulldozer shall contain a fuel water separator and fuel filter system.

The fuel-water separator system and fuel filters shall include provisions for draining water and sediment.

If fuel filter(s) are located below the top of the fuel tank, a fuel shutoff valve in the fuel line shall be provided between the tank and the fuel filter(s).

Fuel lines, to and from the filters, shall be installed to minimize vibration and shall be of flexible hose meeting the requirements of SAE J 30 with reusable fittings.

3.11.4 Heavy Duty Air cleaner. The engine shall be equipped with a heavy duty air cleaner with primary and secondary elements, and a precleaner.

The total capacity of the air cleaner system shall be in accordance with the engine manufacturer's recommendations for off-road and earthmoving applications.

An air-cleaner intake-restriction indicator shall be provided and shall be visible by personnel in the cab, standing on the ground, or standing on a surface of the vehicle intended for standing. The intake-restriction indicator shall have graduated markings with continuous reading on remaining service of the air cleaner with and without the engine running. The indicator shall be able to be reset manually.

3.11.4.1 Automatic Dust Ejector. An automatic dust ejector shall be provided for the dry type heavy duty engine air cleaner system and in accordance with engine manufacturer's recommendations.

3.11.5 Cooling system. When a liquid-cooled engine is furnished, the cooling system shall be the closed-pressure-type.

The cooling system shall include baffles and a fan shroud to prevent recirculation of cooling air.

Drains shall be provided to empty the cooling system. Petcocks on all drains shall be accessible and positioned such that contents can be drained directly into a suitable container.

The cooling system fluid shall be a solution of ethylene glycol and water conforming to ASTM D4985 and compatible with MIL-A-46153.

All fill ports shall be accessible without removal of other components.

The cooling system shall be capable of operation after a drawdown of 11% of engine coolant. The cooling system shall be capable of retention and recovery of

6% coolant overflow or have 6% expansion reserve capacity.

The cooling system shall be capable of continuous de-aeration when tested in accordance with SAE J1436, para 5.3. The cooling system shall be designed to ensure that the system shall fill completely, with an automatic de-aeration feature to preclude air cavitation at any coolant fill rate, up to the maximum fill rate specified in SAE J1436.

Specified fluid temperatures shall not exceed the lower of the component manufacturer's maximum operating temperature limits.

3.11.5.1 Fan. For belt driven fans, the belts shall be clear of all other components within the adjustment range.

If the fan operates below the water fording level, provisions shall be made for disconnecting the fan when necessary for water fording operations without affecting coolant circulation within the engine. Fan disengagement shall be automatic or controlled from the operator's compartment with a control labeled

"ENGINE FAN ON - OFF". A fan guard shall be provided.

3.11.5.4 Radiator. The radiator assembly shall be a heavy duty type suitable for bulldozer, heavy equipment and tractor applications.

The radiator system shall be sized to be capable of maintaining engine and drivetrain operating temperatures within the specified limits while operating continuously under full load at a 0.5 Tractive Effort to Curb Weight ratio

(TE/Curb Weight) under the maximum conditions of 120 degrees F (49 degrees C), or

5,000 ft altitude ASL.

The radiator and cooling system shall be capable of preventing the tractor engine from exceeding temperature limits while operating at rated engine power and under all environmental conditions.

The radiator shall be protected, by a heavy duty protective guard, from mud and gravel thrown by the tires or tracks and from objects that could come into contact during cross country operation, earthmoving operations, backing and turning operations.

Radiator hoses per 3.11.5.5 below, cooling system lines and tubing as supplied, shall clear the vehicle structure and other components under all operating conditions specified herein. All hoses shall be protected at point of passage through bulkheads or frames or doors and if contacted by similar items which may rub and cause abrasion.

The radiator assembly shall consist of a core with an expansion tank and sediment tank. The sediment tank shall be provided with a drain plug at the lowest point.

An auxiliary tank shall be provided which allows for replenishing of the coolant expelled from the radiator by expansion and de-aeration of the coolant system.

3.11.5.4.1 Radiator Cap. The radiator cap shall meet the requirements of SAE

J164 and shall be accessible by a maintainer in MOPPIV gear, without removal of the engine hood. A sign warning "CAUTION - DO NOT OPEN WHEN HOT" shall be placed near the radiator cap.

3.11.5.5 Engine coolant hose. All engine coolant hoses shall be SAE J 20, heavy-duty type. All hose clamps shall be of the double wrap stainless steel type in accordance with SAE J 1508, type F, style 1,2 or 4.

3.11.6 Reserved.

3.11.7 Governor. A governor shall be provided for all engine designs. The governor shall limit the engine speed (RPM) to no more than the intermittent duty speed as recommended by the manufacturer and when the vehicle is operated under any condition specified herein. A higher engine RPM than intermittent duty speed is permitted during no-load, high idle conditions.

3.11.8 Exhaust system. The engine exhaust system shall be protected against entry of rain. The rain protection scheme shall not require operator action.

The back pressure of the exhaust system, including muffler, shall in no case exceed the maximum recommended by the engine manufacturer when measured approximately 2 inches beyond the header outlet at any load up to rated net continuous load.

The exhaust system shall be arranged or shielded to prevent burns to the operator and maintenance personnel while working on the ground, step surfaces, or maintenance access areas of the bulldozer.

Exhaust discharge shall be directed so as to minimize the exhaust fumes at the operator's station.

The exhaust system shall not obstruct the forward visibility and blade end view of the operator.

When an exhaust driven turbocharger is not utilized, the exhaust system shall be provided with a spark arrestor conforming to Forest Service Standard 5100-1 and

SAE J 350 with not less than 80 percent efficiency. The spark arrestor shall be provided with a means of cleaning out trapped particles.

3.11.9 Engine Oil. The engine oil shall conform to and be compatible with MIL-L-

2104 Lubricating Oil. This oil must also be compatible for use in the transmission and hydraulic systems.

3.11.10 Engine Oil filter. The engine shall be provided with an oil filter and mounting as recommended by the engine manufacturer for off-road applications.

The engine oil filter shall be the heavy duty full flow type or partial flow type, and shall be furnished in accordance with the engine manufacturer's recommendations.

Flexible oil lines, when used to and from the filters, shall be installed to minimize vibration. The oil hoses shall be of flexible type hose meeting the requirements of SAE J 30 and/or SAE J517 with reusable fittings.

The engine oil filters shall be placed for ease of maintenance.

A label specifying the type of filters and other replacement information shall be placed near the point of filter installation.

3.11.11 Reserved.

3.12 Drivetrain assembly. The drivetrain assembly for the bulldozer (tractor) shall consist of all components necessary to transmit power from the engine to the track.

All drivetrain gears shall operate in lubricant, and a standard pressure grease lubrication system shall be provided for other friction parts.

Transmissions, gear housings and final drive assemblies shall be equipped with filler plugs and magnetic drainplugs.

Drivetrain components shall conform to, and shall be installed in accordance with the manufacturer's recommendations.

3.12.1 Transmission. The tractor shall be furnished with a hydrodynamic transmission which shall automatically select a minimum of three speeds forward and two speeds reverse gear ratios while in the self-deploy mode. In the earthmoving mode, the transmission shall provide not less than three forward and two reverse gear ratios, all of which shall be manually selected.

The transmission oil shall conform to MIL-L-2104 Lubricating Oil.

The transmission oil filler tube shall be functionally labeled.

All transmission vents shall be located above the fording line.

The transmission controls shall include a hand operated shift position lever easily accessible by an operator sized per SAE J833.

The transmission current gear selection and direction control selection shall be indicated at the operators position and shall be so labeled.

3.12.1.1 Transmission Protection. A means shall be provided to protect the tractor transmission from damage when the operator attempts to move the direction control, to require the bulldozer to move in the opposite direction from the vehicle current motion.

The transmission shall also be protected, if the operator downshifts or attempts to downshift or selects the next lower gear with the transmission gear selection lever. The transmission shall not down-shift while the vehicle is traveling too fast for the speed range selected or attempted to be selected or when the gear selection would cause harm to the drivetrain components.

A manual lock shall be provided to lock the transmission shift lever in neutral position to prevent accidental engagement during starting, periods of engine idling or use as power source for tools.

3.12.1.2 Hydrodynamic powershift transmission. If provided, the hydrodynamic powershift transmission shall provide controlled application of the clutches to provide smooth shifting, limiting slippage which could damage the clutches. All transmission gears shall be constant mesh and run in oil.

The transmission oil be equivalent to and compatible with MIL-L-2104 Lubricating

Oil.

Oil pressure for actuation of the transmission clutches, for torque converter supply and for transmission lubrication shall be supplied by a mechanically driven pump.

It is desired that the transmission shall be capable of withstanding maximum stall operation for a minimum of 30 seconds without damage or permanent deformation and without exceeding the fluid temperature limit of 250 F or the manufacturer's recommended temperature whichever is less, in an ambient temperature of not lower than 25 degrees F.

A gear range selector shall be provided and it shall be accessible to the operator in the normal operating position and shall be labeled to indicate speed ranges.

3.12.1.3 RESERVED3.12.2 Rock Guard. The underside of the tractor shall provide protection from rocks and debris by incorporation of a rock guard to protect the engine, all driveline components and transmission housings.

The design of the rock guard, except for those portions which are part of the tractor's frame, shall be removable to provide ease of access to the major driveline components.

The rock guard shall not interfere with normal cooling or cooling air flow over the drive line components.

The rock guard shall not protrude below the front edge of the lowest part of the tractor and shall be protected from breakage.

The rock guard shall be provided to protect wiring, hoses, lights and accessory ports as required to protect against debris and rocks.

The guard shall meet the 12 inch ground clearance requirement.

3.13 Oil sampling valves. An oil sampling valve shall be provided for the engine, transmission and hydraulic system. The valve shall be made of material resistant to corrosion such that it will not contaminate the sample.

The valve shall be manually operated and shall automatically close after release.

The discharge port of the valve shall be covered with a captive chained threaded cap which provides a positive seal of the sampling port.

The valve shall be located in such a way as to prevent personnel from exposure to danger when taking oil samples with the engine running. The valve must be positioned so as to allow the standard army oil sample bottle to be positioned upright underneath the valve.

The location of the oil taps shall be such that when samples are taken, it shall be a true representation of oil that is flowing while the engine, transmission, or hydraulic system is operational.

The sampling valve shall be labeled in accordance with 3.6 adjacent to the valve to indicate direction for "OPEN" and the type of oil sampled (engine, transmission, or…