Purchase_Description__USN_EXWC-SCW_40-Ton_Hydraulic_Sliding_Axle_Trailer_(Non-ATTLA)_formated.docx
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- Attached to
- Consolidated Trailer Acquisition
- Solicitation number
- 47QMCA27N0001
- Issued by
-
GSA Federal Acquisition Service
About this file
This is a Purchase Description for a Commercial 40-Ton Hydraulic Sliding Axle Trailer with Recovery Winch (Non-ATTLA) that establishes technical and operational requirements for procurement by Naval Facilities Engineering and Expeditionary Warfare Center (NAVFAC EXWC) in support of Seabee Construction Battalions and Naval Expeditionary Logistics Support Group (NAVELSG). The trailer must be a heavy-duty commercial tandem-axle semi-trailer featuring a fixed upper deck, hydraulic sliding/traveling axle system, tilting lower deck with approach plate, integrated hydraulic recovery winch, diesel pony motor auxiliary power unit, and capacity to transport 40 tons of distributed payload (80,000 lbs) or 50,000 lbs concentrated within 12 feet. The vehicle must couple with standard Government prime movers (Mack Granite 64 and Mack Anthem 64T) via 2.0-inch SAE kingpin and maintain overall exterior length not exceeding 53 feet with width not exceeding 8.5 feet. The trailer shall comply with federal motor vehicle safety standards (FMVSS), military specifications (MIL-STD-209K, MIL-STD-1366E), Society of Automotive Engineers (SAE) standards, and American Welding Society (AWS) standards, with all components subject to Buy American Act and Trade Agreements Act compliance.
The contractor must submit detailed engineering drawings, compliance matrices, quality assurance documentation, and customer support plans with their proposal. Verification milestones include post-award conference, verification design review (Award + 60 days), final design review (Award + 90 days), visual inspection, and QA performance verification testing. The trailer must be delivered fully functional with comprehensive pre-service inspection per TMC RP 803, certified scale weighing, and operational demonstrations of all hydraulic, electrical, and mechanical systems. Delivery is FOB Destination to Naval Expeditionary Logistics Support Group at Tinker AFB, Oklahoma, with trailers unstacked and wheels on ground. The contractor shall provide a 60-month bumper-to-bumper warranty beginning upon final Government acceptance, three-business-day initial warranty response, 24/7 technical support hotline, live operator and maintainer training for up to 15 students at Tinker AFB within 30 days of acceptance, and comprehensive technical manuals including operator manual, service maintenance manual, and illustrated parts breakdown prior to GSA acceptance.
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PURCHASE DESCRIPTION
TRAILER, COMMERCIAL, 40-TON HYDRAULIC SLIDING AXLE WITH RECOVERY WINCH (NON-ATTLA) Naval Facilities Engineering and Expeditionary Warfare Center (NAVFAC EXWC), NARG Document Identifier: Purchase Description 40 ton, Hydraulic Sliding Axle w/winch
Revision: 9/22/2026
SECTION 1: INSTRUCTIONS AND NOTES TO OFFERORS
1.1 Exceptions to Specification
The Offeror shall explicitly and completely identify any and all exceptions taken to the requirements of this specification. Drawings, literature, and any other information submitted with an offer do not constitute a stated or implied exception unless specifically identified in writing as an exception and accepted and implemented by an amendment to the solicitation or modification to the contract. Any exception deemed acceptable by the Government shall apply only to the specific item or requirement cited and shall not extend to any other requirement.
1.2 "Or Equal" Evaluations and Country of Origin Restrictions Brand Name or Equal: An Offeror offering items other than brand name items identified herein, when an "or equal" may be acceptable, shall furnish with their proposal all technical data information, product descriptions, and engineering specifications necessary to ensure that a determination may be made as to the equality of the product offered (reference FAR Clause 52.211-6, "Brand Name or Equal").
Country of Origin Restrictions: All components, assemblies, materials, and hardware furnished under this contract shall comply with the Buy American Act and Trade Agreements Act (TAA). No components, raw materials, or assemblies originating from prohibited foreign entities or non-TAA compliant countries (including the People's Republic of China) shall be incorporated into the trailer.
1.3 Proposal Submittal Requirements
The Offeror shall submit the following items with their proposal:
Letter of Exceptions: A detailed explanation, submitted in a separate letter, of any exceptions to the specification, including alternate equipment proposed or an affirmative declaration of comprehensive understanding with zero exceptions taken.
Line-Item Compliance Matrix: A completed specification compliance sheet indicating an affirmative response of "Comply" or "Not Comply" for each numbered paragraph herein.
Preliminary Engineering Drawings: Detailed drawings showing:
General arrangement and layout views of the proposed 40-ton hydraulic sliding axle trailer, including upper deck, recovery winch, lower tilting deck, approach plate, sliding axle travel, landing gear, and all equipment locations verifying compliance with dimensional envelopes.
Exterior front, rear, curb-side, and street-side elevations with overall dimensions.
Estimated unladen curb weight, payload rating (80,000 lbs distributed / 50,000 lbs concentrated in 12 ft), and Gross Trailer Weight Rating (GVWR).
Quality Assurance Documentation: Documented evidence of established corporate quality assurance procedures and manufacturing quality systems.
Customer and Technical Support Plan: Detailed procedures for customer service, warranty execution, and technical support access via email, telephone, and online portal.
SECTION 2: SCOPE AND APPLICABLE DOCUMENTS
2.1 Scope and Background
Naval Facilities Engineering and Expeditionary Warfare Center (NAVFAC EXWC) in support of Seabee Construction Battalions and the Naval Expeditionary Logistics Support Group (NAVELSG) has a requirement to procure commercial heavy-duty 40-ton hydraulic sliding axle trailers to replace aging fleet assets. The trailers shall comply at a minimum with Military (MIL), American Welding Society (AWS), and Society of Automotive Engineers (SAE) standards for commercial and tactical transport equipment. Compliance with these standards introduces commonality with other Department of Defense (DoD) and commercial logistics systems, ensuring maximum operational readiness and functionality in demanding operational environments.
2.2 Applicable Documents
The following documents of the issue in effect on the date of solicitation form a part of this specification to the extent specified herein:
2.2.1 Federal Standards and Regulations
Code of Federal Regulations (CFR):
49 CFR Part 393 – Parts and Accessories Necessary for Safe Operation (FMCSR) 49 CFR Part 396 – Inspection, Repair, and Maintenance 49 CFR Part 571 – Federal Motor Vehicle Safety Standards (FMVSS) FMVSS 108 (49 CFR § 571.108): Lamps, Reflective Devices, and Associated Equipment FMVSS 121 (49 CFR § 571.121): Air Brake Systems FMVSS 223 / 224 (49 CFR §§ 571.223, 571.224): Rear Impact Guards Note: DOT and Federal publications may be accessed at www.access.gpo.gov or obtained from the Superintendent of Documents, U.S. Government Publishing Office, Washington, D.C. 20402.
2.2.2 Military and Federal Specifications
MIL-STD-209K: Department of Defense Interface Standard for Lifting and Tie-Down Provisions MIL-STD-1366E: Interface Standard for Transportability Criteria NATO STANAG 4009: Interface Geometry, Tractors and Semi-Trailers Detailing Tow Vehicle/Trailer Interface A-A-50271: Plates, Identification, Marking, and Information NAVFAC P-480 (Appendix F): Management of Civil Engineering Support Equipment (CESE) Data Plates
2.2.3 Society of Automotive Engineers (SAE) Standards
SAE J163: Low Tension Wiring and Cable Terminals and Splice Clips SAE J429: Mechanical and Material Requirements for Externally Threaded Fasteners SAE J551: Measurement of Electromagnetic Radiation from Motor Vehicles and Devices SAE J553: Circuit Breakers SAE J560: Primary and Auxiliary Seven-Conductor Electrical Connector for Truck-Trailer Jumper Cable SAE J561: Electric Terminals – Eyelet and Spade Type SAE J575: Tests for Motor Vehicle Lighting Devices & Components SAE J576: Plastic Materials for Use in Optical Parts Such As Lenses and Reflectors of Motor Vehicle Lighting Devices SAE J578: Color Specification for Electric Signal Lighting Devices SAE J682: Front and Rear Wheel Splash and Stone Throw Protection SAE J1128: Low Tension Primary Cable SAE J1292: Automobile, Truck, Truck-Tractor, Trailer, and Motor Coach Wiring SAE AMS-STD-595A: Colors Used in Government Procurement
2.2.4 Industrial and International Standards
ISO 668: Series 1 Freight Containers – Classification, Dimensions, and Ratings ISO 7241 (Series B): Hydraulic Fluid Power – Dimensions and Requirements of Quick-Action Couplings TMC RP 803: Pre-Service Trailer Inspection, Technology & Maintenance Council, American Trucking Associations ASME Boiler and Pressure Vessel Code: Section IX, Welding and Brazing Qualifications AWS D1.1 / D1.6: Structural Welding Code – Steel / Stainless Steel
2.3 Order of Precedence
In the event of a conflict between the text of this purchase description and the references cited above, the most stringent requirements, as determined by the Government, shall take precedence. Nothing in this purchase description, however, supersedes applicable Federal and State safety laws and regulations.
SECTION 3: TECHNICAL AND CONFIGURATION REQUIREMENTS
3.1 General Configuration and Mission
Vehicle Description: Commercial heavy-duty, 40-ton capacity, tandem-axle hydraulic sliding/traveling axle semi-trailer featuring a fixed full-width upper deck, an integrated front hydraulic deck-to-gooseneck ramp, a heavy-duty hydraulic planetary recovery winch, a tilting lower deck with a low-angle rear approach plate, recessed twist-locks for ISO freight containers, and an auxiliary diesel pony motor.
Mission Capabilities: Designed to transport, self-load, and recover containerized freight (ISO 668 containers, TRICONs, QUADCONs), breakbulk cargo, wheeled and tracked construction equipment (e.g., skid-steer loaders, generators, mobile light towers, HMMWVs, CUCVs), palletized cargo, and expeditionary logistics modules across highways and secondary austere roadways.
3.2 Prime Mover Tractor Compatibility
The trailer shall couple with standard Government-owned commercial and tactical prime movers via a standard DOT-approved 2.0-inch SAE kingpin. The primary prime movers and interface parameters are defined below:
| Vehicle Parameter |
| Mack Granite 6×4 (160K Series) |
| Mack Anthem 64T (Primary Tractor) |
| Gross Combination Weight (GCW) |
| 66,000 lbs |
| 80,000 lbs |
| Gross Combination Weight Rating (GCWR) |
| 176,000 lbs |
| 120,000 lbs |
| Front Axle Weight Rating (FAWR) |
| 22,000 lbs (limited to 20,000 lbs by tires) |
| 14,600 lbs |
| Rear Axle Weight Rating (RAWR) |
| 46,001 lbs tandem spread |
| 46,000 lbs tandem (52 in spread) |
| Wheelbase |
| 204.5 in (front axle to tandem center) |
| 203.0 in (front axle to tandem center) |
| Fifth Wheel Height |
| 53.5 in |
| 51.0 in (adjustable suspension) |
| Fifth Wheel Type / Travel |
| Fixed (6 in rear / 17.5 in forward adjust) |
| Sliding (24.0 in travel) |
| Front Swing Clearance Radius |
| 66.5 in |
| 85.5 in |
| Rear Swing Clearance Radius |
| 75.0 in |
| 56.5 in |
| Tractor Wet Line Kit Rating |
| 2,500 PSI @ 20 GPM (30-gal reservoir) |
| 2,600 PSI @ 14–20 GPM (30-gal reservoir) |
| Hydraulic Coupler Interface |
| 3/4" ISO 7241-B Quick Disconnect |
| 3/4" ISO 7241-B Quick Disconnect |
3.3 Capacity and Dimensions
The trailer shall conform to the following capacity and dimensional envelopes:
| Parameter |
| Specified Value / Requirement |
| Payload Capacity (Distributed) |
| 80,000 lbs (40 Tons) minimum true rated payload |
| Payload Capacity (Concentrated) |
| 50,000 lbs minimum concentrated in 12 feet or less |
| Overall Exterior Length |
| 48 feet 0 inches (optimal/standard); not to exceed 53 feet 0 inches |
| Overall Exterior Width |
| Not to exceed 8.5 feet (102.0 inches) |
| Loaded Lower Deck Height |
| 38 inches maximum when fully loaded |
| Lower Deck Loading Tilt Angle |
| Shallow tilt angle not to exceed 15 degrees |
| Tilt Deck Hydraulic Lift Rating |
| 20,000 lbs minimum evenly distributed lifting capacity |
3.4 Chassis Frame, Upper Deck, and Headache Rack
Main Frame: Heavy-duty structural steel frame engineered to withstand structural bending and torsional loading during axle travel and full-capacity tilt-loading operations.
Upper Deck: Full-width fixed upper deck with a minimum swing clearance radius of 80 inches (NATO STANAG 4009 compliant 90.5-inch swing radius optional per Section 3.12.1).
Front Hydraulic Ramp: Integrated hydraulic ramp transitioning between the lower deck and upper gooseneck deck.
Fairlead Winch Roller: Heavy-duty recessed roller centered at the rear of the upper deck.
Headache Rack (Headboard):
Heavy-duty, bolt-on, removable front steel headache rack.
Forklift Pockets: Two (2) integral forklift pockets positioned at the top of the headache rack, spaced 48 inches on-center (approximately 43 inches clear between pockets), measuring 4 inches high × 10 inches wide.
Provisions: Detachable electrical quick-disconnect couplers; integrated lockable chain rack with positive anti-swing keeper; protected white/amber LED work lighting.
Landing Gear: Heavy-duty, two-speed manual landing gear with drop-leg sand shoes; crank handle located on the driver side (street side). Sized to support full loaded capacity without interference with military or commercial prime movers.
Safety Access: Integrated anti-slip footsteps and heavy-duty grab handles installed on both sides of the trailer at the transition between the lower deck and gooseneck.
3.5 Lower Tilting Deck, Approach Plate, and Decking
Tilting Lower Deck: Hydraulically tilted main bed with automatic or gravity-actuated travel locks to rigidly lock the platform during highway transport mode.
Rear Approach Plate: Flat, load-bearing rear approach plate engineered for smooth Roll-on/Roll-off (Ro/Ro) equipment transfer at ground level.
Traction Cleat Bars: Welded 3/4-inch minimum cleat bars/traction aids installed on the outer deck edges starting at least 3 feet forward of the approach plate and across the approach plate itself to prevent tracked equipment slippage.
Decking Construction:
Heavy-duty Apitong hardwood or composite decking (1-3/4 inch Rumber or equivalent), butted tight with proper cross-member spacing to eliminate deflection under heavy concentrated wheel loads.
Upper gooseneck deck finished with diamond tread plate or punched steel grip plate.
Perforation Rule: If punched steel grip plate is utilized, perforations shall not be placed directly over frame members or cross sills; openings must remain clear to allow mud, ice, and debris to self-clear.
All decking materials shall be impervious to fluids, diesel fuel, mud, hydraulic oil, and UV degradation.
Recessed Center D-Ring: Heavy-duty recessed equipment tie-down D-ring located along the center rear of the main deck just forward of the approach plate.
3.6 Container Restraint System (ISO Twist-Locks)
The trailer shall be equipped with fully recessed, flush-mounted twist-lock pockets and retractable ISO container twist-locks permanently affixed below deck height. When retracted, locks shall not protrude above the deck surface; locking handles shall positively stow to prevent downward swinging during transit. The system shall accommodate the following cargo configurations:
One (1) 40-foot standard ISO shipping container Two (2) 20-foot standard ISO shipping containers Six (6) TRICON containers (6 ft 5.5 in L × 8 ft 0 in W × 8 ft 0 in H) Eight (8) QUADCON containers (4 ft 9.375 in L × 8 ft 0 in W × 6 ft 10 in H)
3.7 Hydraulic Recovery Winch System
Winch Architecture: Heavy-duty planetary gear-driven hydraulic recovery winch mounted at the front center of the upper deck above the kingpin area.
Rated Line Pull: 20,000 lbs minimum bare-drum rated pulling capacity, permanently marked with its Safe Working Load (SWL).
Winch Cable: 100 feet minimum of 9/16-inch high-strength steel wire rope fitted with a heavy-duty swivel safety latch hook. The wire rope shall be delivered with mill test certificates and physical certification tags attached.
Controls & Free-Spool:
Air-shift free-spool clutch control.
Primary proportional hydraulic control levers located in a protected, illuminated enclosure on the driver side for nighttime operations.
Heavy-duty industrial wander-lead wired remote control (wireless remote control furnished in addition to the wired remote).
Cable Protection System: Winch safety drum guard; heavy-duty roller fairlead mounted on the upper deck; replaceable upper deck skid plate; and a heavy-duty steel roller centered at the front of the mainframe to prevent cable chafing.
3.8 Auxiliary Power Unit (Diesel Pony Motor) and Hydraulics
Pony Motor: Heavy-duty commercial industrial diesel engine (compatible with JP-8, F-24, and high-sulfur diesel fuel) enclosed in a lockable, hinged steel housing mounted at the front/top of the gooseneck.
360-degree service accessibility for routine maintenance, oil drain plugs, and filter replacement.
Keyless start switch or heavy-duty ignition switch with a positive key retention tether to prevent loss.
Heavy-duty steel battery box with bottom drainage weep holes.
Hydraulic Wet Line System:
Dual-line commercial quick-disconnect couplers (ISO 7241 Series B, 3/4-inch 14 NPTF, 60 Series) with female coupler on the trailer supply line (pressure) and male nipple on the trailer return line, fitted with chained protective dust caps.
Priority flow control valve and pressure relief bypass supporting an operating range from 2,500 PSI (12–16 GPM) up to 3,000 PSI (57 GPM maximum).
Automatic diverter valve providing seamless switching between tractor PTO wet line supply and auxiliary pony motor operation.
Standard hydraulic fluid: MIL-PRF-2104J (OE/HDO-10) 10W engine-grade hydraulic oil.
Jumper hose kit with multiple adapter fittings furnished to connect to various tractor couplings.
3.9 Running Gear, Suspension, Axles, and Brakes
Axles & Traveling Mechanism:
Tandem heavy-duty dual-wheel axles mounted to a heavy-duty hydraulic traveling carriage (sliding subframe).
Hydraulic cylinders provide smooth, continuous forward/rearward travel under full rated load.
Suspension: Heavy-duty air-ride suspension rated at 25,000 lbs nominal per axle, equipped with automatic ride-height control and an automatic air-ride dump valve.
Hubs & Odometer: Hub-piloted wheel assemblies with outboard brake drums; oil-bath wheel hubs with transparent sight glasses; mechanical (analog) hub-odometer mounted on the street-side front axle hub (digital odometers prohibited).
Braking System: Commercial-standard 4S/2M Anti-Lock Braking System (ABS) conforming to FMVSS 121.
ABS diagnostic status lamp mounted on the driver-side rear frame.
Automatic slack adjusters on all wheel ends.
Manual air tank drain valves easily accessible from the side or rear.
Tires: First-line, tubeless, commercial highway steel-belted radial tires rated for full axle capacity. Matching brand, model, and size across all positions; manufacturing date within one (1) year of equipment delivery (Double Coin or unapproved budget brands prohibited).
Wheels: Solid steel single-piece disc wheels with standard hub-piloted lug pattern (super singles prohibited). Primed and finished in durable industrial gloss black.
Spare Tire Assembly: One (1) matching spare tire and wheel assembly mounted on the trailer in an accessible bracket approved by NAVFAC EXWC that does not interfere with tractor swing envelopes, winch operation, or cargo loading.
3.10 Electrical System and Lighting
Multi-Voltage Compatibility: 6–28V DC multi-voltage commercial sealed LED lighting system conforming to FMVSS 108.
Intravehicular Connector: Standard 7-way commercial male intravehicular connector (12V connection).
Specialized Deck & Work Lighting:
Upper Deck: White LED work floodlight mounted inside the top beam of the headache rack (with dual-function amber strobe capability); white LED work light centered at the rear of the gooseneck under the transition roller.
Lower Deck: Flush-mounted, recessed clear LED load lights installed along the inside edge of the lower deck outer side rails and into the approach ramp, protected by heavy-duty steel mesh grates.
Safety Marker Lights: Swing-out safety marker extension brackets (amber forward, red rearward) with positive locking pins for wide-load visibility.
Switches: Independent manual waterproof on/off switches for headache rack, winch, and side load lights located on the driver side.
Wiring Integrity: Sealed, modular wiring harnesses routed through protective jackets and rubber grommets, secured with heavy-duty bolted steel clamps. Zip ties to secure wiring to the frame are strictly prohibited (zip ties permitted for harness bundle grouping only).
3.11 Cargo Restraint and Auxiliary Equipment
Tie-Down D-Rings: Twelve (12) heavy-duty forged D-rings per side (10,000 lbs WLL each) welded along outer frame rails; five (5) additional heavy-duty D-rings recessed along the deck centerline.
Winch Straps: Twelve (12) fixed ratchet winch spools mounted along the driver side, equipped with 4-inch wide nylon straps rated at 5,500 lbs working load limit (WLL) each.
Chain Slots: 2-way chain slots on outer side main beams spaced no less than 16 inches apart, sized to receive 3/8-inch transport chains.
Toolboxes: Two (2) lockable heavy-duty steel toolboxes with interior lighting, bottom drainage weep holes, flush hinges, and two (2) keys per box.
Collateral Equipment: Onboard tool package (lug wrench, breaker bar, wheel chocks, caution flags, and adapters) crated and banded with an inventory sheet prior to delivery.
SECTION 4: PERFORMANCE AND OPERATIONAL REQUIREMENTS
4.1 Environmental Envelope and Terrain Operation
Roadway Operation: Fully operable on paved highways, secondary graded roads, gravel, cobblestone, and unimproved rough operational surfaces.
Speed Rating: Capable of sustained highway operation at 65 mph (conforming to state/federal bridge and speed regulations) and off-road operational speeds up to 10 mph.
Operational Duty Cycle: Engineered to operate for two 10-hour continuous operational shifts separated by a 2-hour maintenance interval within a 24-hour period, with an operational availability () of 85% and a 90% probability of completing a 250-mile mission without unscheduled maintenance.
Climatic Envelope: Full operational readiness across ambient temperatures ranging from -25°F to 130°F (-31.7°C to 54.4°C).
Ground Clearance: Adequate loaded ground clearance to prevent frame or axle high-centering during transit across rough, unimproved operational sites.
Structural Welding: All structural welding shall conform to ASME Section IX and AWS D1.1/D1.6. Welds shall be uniform, fully penetrated, and free from cracks, voids, porosity, undercut, and excess splatter.
SECTION 5: COATINGS, FINISH, AND CORROSION CONTROL
5.1 Surface Preparation
All chassis steel, frame members, outriggers, headache rack, and suspension weldments shall be thoroughly degreased and blast-cleaned to remove dirt, grease, oil, moisture, scale, rust, and weld slag prior to coating application.
5.2 Paint System Architecture
Primer / Base: Two-part corrosion-resistant epoxy primer or zinc-rich primer applied to a minimum Dry Film Thickness (DFT) of 4.0 mils.
Topcoat: Polyurethane corrosion-resistant topcoat applied to a minimum DFT of 4.0 mils.
Color: Industrial Gloss Black (weather- and UV-resistant).
Total Thickness: Combined primer and topcoat system shall be not less than 8.0 mils minimum DFT.
Underbody Corrosion Protection: Petroleum-base or polyurea/polyurethane undercoating (Tectyl, Line-X, or approved equivalent) spray-applied evenly to all lower chassis steel, undercarriage surfaces, and wash-down zones (slide rails and lube points masked).
Non-Skid Surfaces: Heavy-duty broadcast non-skid grit coating applied to all horizontal frame walkways, gooseneck surfaces, and upper deck walking areas.
SECTION 6: MARKINGS, IDENTIFICATION, AND DATA PLATES
6.1 Standardized Stencil & Marking Schedule
Markings shall be applied in high-visibility contrasting paint (white or yellow over gloss black) or permanent laser-engraved metal plates as approved by the Government:
| Marking / Placard |
| Size & Font Style |
| Location / Placement |
| U.S. NAVY [XX-XXXXX] |
| 3.0 in Height, 1/2 in Stroke (Dash: 1/2" H × 1" L) |
| Front quarter of each side frame rail / gooseneck |
| U.S. NAVY [XX-XXXXX] |
| 3.0 in Height, 1/2 in Stroke (Dash: 1/2" H × 1" L) |
| Rear frame, split equidistant (U.S. NAVY left / number right) |
| TP – 125 PSI (or as rated) |
| 1.0 in Height, 5/32 in Stroke |
| Outer frame side rails directly above each wheel position |
| TIE DOWN |
| 1.0 in Height, 1/2 in Stroke |
| Adjacent to each tie-down provision and D-ring pocket |
| LIFT HERE |
| 1.0 in Height, 1/2 in Stroke |
| Adjacent to each lifting provision and sling ring |
| MAX PRESSURE 3,000 PSI |
| 1.0 in Height, 5/32 in Stroke |
| Adjacent to hydraulic pressure supply quick-disconnect |
| RETURN LINE |
| 1.0 in Height, 5/32 in Stroke |
| Adjacent to hydraulic return line quick-disconnect |
| DIESEL FUEL (JP8/F24) |
| 1.0 in Height, 5/32 in Stroke |
| Fuel tank fill neck / reservoir |
| HYDRAULIC OIL (10W) |
| 1.0 in Height, 5/32 in Stroke |
| Hydraulic fluid reservoir fill neck |
[ FIGURE 1 ]
| [ PRIORITY FLOW CONTROL VALVE ] |
| P (Pressure) R (Return) | | Supports 2,500 to 3,000 PSI / Up to 57 GPM | Figure 1: Gooseneck Priority Flow Control Valve Installation
[ FIGURE 2 ]
| [ MAX PRESSURE ] |
| ( O ) === [ 3/4" ISO 7241-B Female Coupler w/ Chain ]| Figure 2: Trailer Hydraulic Supply (Pressure) Interface
[ FIGURE 3 ]
| [ RETURN 3,000 PSI ] |
| ( = ) === [ 3/4" ISO 7241-B Male Nipple w/ Chain ] | Figure 3: Trailer Hydraulic Return Line Interface
[ FIGURE 4 ]
| U.S. NAVY 97-52919 |
Figure 4: Gooseneck / Side Frame Registration Stencil Detail
[ FIGURE 5 ]
| [ U.S. NAVY ] [ LIGHTS / AIR RECEPTACLES ] [ 97-52915 ] |
| (O) (O) (O) --------------------------------------- (O) (O) (O) | Figure 5: Rear Frame Split Registration Stencil Layout
[ FIGURE 6 ]
| [ TIE DOWN ] [ TP - 125 ] |
| ( O ) ( O ) | | Tandem Wheel Positions | Figure 6: Side Frame Tire Pressure Stencil Detail
[ FIGURE 7 ]
| | [ LIFT HERE ] | |
| | ( O ) | |
| | [ TIE DOWN ] | |
Figure 7: Recessed Upper Deck Lift and Tie-Down D-Ring
[ FIGURE 8 ]
| [ TIE DOWN ] |
Figure 8: Under-Chassis Flange Tie-Down Pocket Detail
6.2 Data Plates
All shipping, transportation, and instruction plates shall be stamped or etched non-ferrous metal securely riveted to the trailer frame in accordance with A-A-50271 and NAVFAC P-480 Appendix F:
Nomenclature: TRAILER, COMMERCIAL, 40-TON HYDRAULIC SLIDING AXLE Manufacturer Name, Make, Model, and Serial Number / VIN National Stock Number (NSN) and U.S. Navy Registration Number (USN) Unladen Vehicle Curb Weight (lbs / kg) Maximum Rated Payload: 80,000 lbs (distributed) / 50,000 lbs (concentrated 12 ft) Gross Vehicle Weight Rating (GVWR) Date of Delivery (blank until final DD Form 250 acceptance) Contracting Agency: GSA / NAVFAC EXWC Contract Number Warranty Period: 60 Months Bumper-to-Bumper
6.3 GSA Form 1398
The contractor shall affix one (1) copy of GSA Form 1398 (GSA Purchased Trailer) upon final Government inspection.
SECTION 7: TRANSPORTABILITY, LIFTING, AND TIE-DOWN PROVISIONS
7.1 Surface Transportability (Non-ATTLA Classification)
Non-ATTLA Designation: This trailer model is designated as a surface-transport asset and is exempt from USAF fixed-wing ATTLA aerial delivery certification.
Surface Modes: Fully transportable via commercial/tactical highway prime movers, ocean transport (Ro/Ro or breakbulk), and standard commercial rail lines conforming to SDDCTEA transportability criteria (MIL-STD-1366E).
Reduced Configuration: Removal of mechanically attached components with common hand tools (requiring not more than 1 man-hour total) to achieve transport envelopes shall be permissible. Self-mobility and structural integrity shall not be degraded.
7.2 Lifting and Tie-Down Provisions
Tie-Down Provisions: Twelve (12) heavy-duty tie-down D-rings per side, rated at 10,000 lbs minimum working load limit each, configured for highway, marine, and rail restraint per MIL-STD-209K. Raised capacity ratings cast directly into D-ring bodies facing outward.
Lifting Provisions: Four-point lifting provisions engineered to permit crane sling lifting of the unladen trailer without a spreader bar in accordance with MIL-STD-209K. Design loads based on unladen Gross Vehicle Weight.
Structural Analysis: The contractor shall perform finite element analysis (FEA) or engineering calculations validating provision strength to the Government at least 90 days prior to testing.
SECTION 8: QUALITY ASSURANCE, VERIFICATION, AND DELIVERY
8.1 Verification Milestones and Test Methods
Compliance shall be verified according to the following matrix:
| Milestone Code |
| Description |
| Completion Timeline |
| Verification Method |
| PAC |
| Post Award Conference |
| Award + 5 Days |
| Formal Review Meeting (Onsite or Teams) |
| VDR |
| Verification Design Review |
| Award + 60 Days |
| Technical Data Package & Engineering CAD Drawings |
| FDR |
| Final Design Review |
| Award + 90 Days |
| Final Build Configurations & Component Cut Sheets |
| VI |
| Visual Trailer Inspection |
| Prior to Shipment |
| Government / GSA Source Inspection |
| BOM |
| Bill of Materials Audit |
| Prior to Build |
| Material Certifications & Running Gear Audit |
| ET |
| Engineering Test |
| First Production Unit |
| Functional & Instrumented Performance Testing |
| COC |
| Confirmation of Compliance |
| With First Article |
| Manufacturer Build Summaries & Compliance Records |
| QAPVT |
| QA Performance Verification |
| Each Unit |
| Functional Pass/Fail Testing (Winch, Tilt, ABS) |
8.2 Testing and Acceptance
Certified Scale Weighing: Every completed trailer shall be weighed on a certified scale to record unladen curb weight and empty axle weight distribution.
Pre-Service Inspection: Offeror shall perform a comprehensive pre-service inspection in accordance with TMC RP 803, with completed inspection records stowed in the trailer document holder.
Vocational & Functional Testing: Full operational demonstration of the tilting main deck, sliding axle travel carriage, 20,000-lb recovery winch (free-spool, pull, and braking), diesel pony motor, hydraulic diverter circuits, and multi-voltage electrical lighting.
8.3 Collateral Equipment Inventory
Each trailer shall be delivered with the following collateral tools and accessories, packed in heavy-duty weather-resistant containers and banded with an inventory checklist:
| Line Item |
| Description |
| Part / Model Number |
| Quantity |
| 1 |
| Spare Tire, 275/70R17.5 Commercial Highway Radial |
| Matching OEM Spec |
| 1 EA |
| 2 |
| Spare Disc Wheel / Rim, Steel Hub-Piloted |
| Matching OEM Spec |
| 1 EA |
| 3 |
| 4-Way Lug Nut "T" Handle Wrench |
| Commercial Standard |
| 1 EA |
| 4 |
| 33mm Heavy-Duty Budd Wheel Socket |
| OTC / Equivalent |
| 1 EA |
| 5 |
| Breaker Bar, 3/4-inch Drive × 20-inch Hinge Handle |
| Industrial Heavy-Duty |
| 1 EA |
| 6 |
| Socket Drive Extension Bar |
| 3/4-inch Drive |
| 1 EA |
| 7 |
| Winch Wireless Remote Control Unit |
| OEM Planetary Spec |
| 1 EA |
| 8 |
| Winch Wireless Remote Charging Cable |
| 12V / USB Adapter |
| 1 EA |
| 9 |
| Winch Industrial Wander-Lead Corded Pendant Remote |
| Heavy-Duty Rubber Casing |
| 1 EA |
| 10 |
| High-Visibility Mesh Caution Flags with Staffs |
| Commercial Standard |
| 4 EA |
| 11 |
| Heavy-Duty Molded Rubber Wheel Chocks with Tether |
| Commercial Standard |
| 1 PR |
| 12 |
| Storage Toolbox Access Keys |
| Matched Key Set |
| 4 EA |
8.4 Technical Manuals and Publications
Manual Delivery Schedule:
30–45 Days ARO: One (1) complete Standard COTS Product Manual set with parts lists for preliminary support development.
150–180 Days ARO: One (1) complete set of Draft Technical Manuals (searchable PDF with editing capability on CD or secure web access) submitted to NAVFAC EXWC for formal review.
Prior to GSA Acceptance at Origin: One (1) final smooth digital manual set submitted to the Ground Vehicles Program.
Delivered with Each Trailer: One (1) complete set of bound manuals (or heavy-duty binders) plus digital copies delivered inside weatherproof storage on the trailer.
Content: Operator Manual, Service Maintenance Manual (preventive maintenance through overhaul), and Illustrated Parts Breakdown (IPB) with exploded component views, original manufacturer part numbers, and CAGE codes.
Line Setting Ticket: Build sheet listing trailer VIN, component serial numbers, tire brands/DOT codes, and UID tag data shipped with each unit.
Manual Delivery Address:
Naval Facilities Engineering and Expeditionary Warfare Center (NAVFAC EXWC) Attn: Ground Vehicles Program (ExPO EX222) 1000 23rd Avenue, Bldg. 1100, Port Hueneme, CA 93043
8.5 Initial Equipment Training (Tinker AFB, OK)
The OEM shall provide live operator and maintainer training for up to fifteen (15) students (plus 6–8 auditing personnel) at Tinker AFB, Oklahoma:
Two (2) separate 2-day training sessions held within 30 days ARO.
0.5 day classroom theory and technical manual review; 1.5 days hands-on field operation, winch rigging, sliding axle maintenance, and troubleshooting.
Training materials (MS Word / PowerPoint) submitted to the Government 45 days prior to instruction for review and approval.
8.6 Comprehensive Warranty
The contractor shall provide a comprehensive 60-month (5-year) bumper-to-bumper warranty starting on the date of final Government acceptance (DD Form 250).
Commercial and third-party warranties (chassis frame, tilt cylinders, sliding carriage, suspension, winch, and diesel pony motor) shall be integrated into the single 60-month coverage term.
Initial warranty response from the OEM or certified dealer within three (3) business days; 24/7 technical support hotline.
Authorized service location provided within the Continental United States (CONUS).
Contractor covers 100% of parts, labor, and domestic expedited freight costs.
8.7 Delivery Locations and Staging
Trailers shall be delivered FOB Destination in accordance with the GSA Motor Trailer Delivery Order:
Primary Delivery Address:
Naval Expeditionary Logistics Support Group (NAVELSG) 7641 Mercury Road, Bldg. 825, Tinker AFB, OK 73145-6550 POC: Mr. Joe O’Malley | Email: joseph.j.omalley8.civ@us.navy.mil | Tel: (405) 739-4861
Delivery Coordination Point of Contact:
NAVFAC Engineering and Expeditionary Warfare Center (NFEXWC) 1000 23rd Ave, Bldg. 1100, Port Hueneme, CA 93043 Attn: Sean Nelson (EX223) | Email: sean.r.nelson1.ctr@us.navy.mil (POC verified 90 days prior to delivery) Unstacking Requirement: Trailers must be delivered fully unstacked with wheels on the ground. Any material handling equipment (cranes, riggers, forklifts) required to offload and unstack trailers shall be furnished solely by the delivery contractor.
Delivery Hours: Monday through Thursday, 0800 to 1430 local time (no deliveries on Fridays, weekends, or Federal holidays).
Base Security Notice: Delivery drivers must coordinate physical arrival at least 30 days in advance. Drivers must present valid REAL ID, TWIC, or Veterans ID credentials; commercial licenses marked "NOT FOR FEDERAL IDENTIFICATION" will be refused entry. Drivers must present valid proof of vehicle insurance.
File details come from the government source that posted it. Updated .