Road Tractor Specifications.pdf
PDF 69 KB Posted
- Attached to
- FY27 CO Road Tractors
- Solicitation number
- 300000278054351
- Issued by
- Missouri
About this file
This is a specification document for a Class 8 road tractor to be procured by the Missouri Department of Transportation (MoDOT) Central Office through an Invitation to Bid (IFB) process. The specification details a conventional day cab, white-colored road tractor designed for towing multiple detachable gooseneck or lowboy trailers. The vehicle must be equipped with an in-line 6-cylinder diesel engine with a minimum 15-liter displacement, an automated manual transmission, air disc brakes with ABS, and an 80,000-pound gross vehicle weight rating capability. The tractor must include comprehensive cab amenities such as air suspension, power windows, heated mirrors, deluxe seating, cruise control, and auxiliary electrical systems including prewired circuits for strobes, 2-way radio, and future upfitter installations. The contract period runs for one year from the date of award, with bids to be submitted electronically through MissouriBUYS MOVERS or by mail (USPS, UPS, or FEDEX), with a required five-day advance notification if submitting hard copies. Inquiries should be directed to buyer Ashten Nichols at ashten.nichols@modot.mo.gov or (573-751-3685).
The specification requires extensive chassis and accessory features including a 36-inch air lock sliding fifth wheel, unpolished aluminum headache rack with jail bar window, full stainless steel fenders, pintle plate with 10-ton capacity, hydraulic wet kit with 30-gallon tank, and a minimum 120-gallon fuel capacity with optional expansion to 240 gallons. The tractor must include front and rear tow hooks, self-cleaning deck plates, toolbox, and trailer air hoses and wiring cords. Electrical systems must meet stringent requirements including minimum 160-amp alternator, three 1000 CCA batteries, 1500-watt block heater, and LED lighting throughout. The manufacturer must provide a minimum 5-year, all-inclusive, 100,000-mile bumper-to-bumper warranty. No pricing terms, set-asides, incumbent information, or specific funding sources are detailed in this specification document.
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| File | Type | Posted |
|---|---|---|
| MODOT 0000000398SL_2_SUPPLIER.pdf | ||
| Amendment 02 Picture.pdf |
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Text version
NEW CLASS 8 ROAD TRACTOR FOR TOWING MULTIPLE DETACHABLE
GOOSENECK OR LOWBOY TRAILERS
CAB
• Conventional day cab
• White in color
• Air suspension
• Power windows and keyed power door locks, driver and passenger side
• West-coast style powered and heated mirrors, driver and passenger side
• Convex spot mirrors, driver and passenger side approximately 8-inches round or 6 X 6-inch square
• Ingress and egress courtesy lighting both driver and passenger side
• Tilting/telescoping steering column/wheel
• Vinyl flooring
• Deluxe, driver and passenger high-back, air ride vinyl seats with RH and LH armrests
• Cruise control
• Additional cab insulation for heat and noise
• Overhead console for 2-way radio installation
• Map pockets on doors, or additional storage overhead
• 3 sets of keys
• High visibility orange seat belts, driver and passenger side with light and alarm for driver’s belt only
• In-cab intake air filter restriction gauge
• Standard AM/FM radio
• Dual roof-mounted air horns
• Heated, hood mounted convex mirrors RH and LH side
POWERTRAIN
• In-line 6-cylinder diesel engine
• Minimum advertised displacement of 15 liters
• Three (3) stage compression brake
• Vertical single exhaust
• Stationary elevated idle control
• Automated manual transmission without a clutch pedal
• Transmission shifts into neutral when park brake is applied
• Chassis shall not be gear bound at a speed lower than 75 MPH
• Lifetime rated, non-greaseable maintenance free driveline
• Calculated performance shall move the combination vehicle weighing 80,000 lbs. up an infinite
6% slope, from a stop, and reach a minimum speed of 35 MPH
FRONT AXLE and SUSPENSION
• Set-back front axle
• 16,000 lb. GAWR
• Parabolic or tapered leaf spring suspension w/ shock absorbers
• Oil bath bearing hubs with windows
REAR AXLE and SUSPENSION
• Tandem 40,000 lb. GAWR
• 4-bag air suspension with labeled suspension dump switch in the cab
• Shock absorbers at each wheel
• Power divider lock with interlocks for engagement and auto disengagement o Maximum engagement speed 30 MPH o Maximum auto disengagement speed 50 MPH
• Di erential lock on rear-rear drive axle with interlocks for engagement and auto disengagement o Maximum engagement speed 5 MPH o Maximum auto disengagement speed 25 MPH
BRAKES
• Air disc brakes
• Dual air system with 6S/6M ABS
• Heated air dryer with spin-on desiccant filter and coalescing filter
• Parking brakes on both drive axles
• Hill start assist functionality
• Drain cables on all air tanks
• External air charging schrader connection on LH side of cab/chassis
FUEL and DEF
• Minimum 120-gallon fuel capacity with main tank on driver’s side o Up to 240 gallons desired o Non-polished aluminum fuel tank(s)
• Largest DEF tank available for fuel capacity
WHEELS and TIRES
• Non-polished aluminum wheels - all locations
• Nylon wheel guards at all locations
• Tires shall not be speed rated below 75 MPH
DIMENSIONS
• Minimum 200-inch and maximum 212-inch wheelbase
• Limited AF to accommodate trailer swing and/or pintle plate/hitch installation
ELECTRICAL
• Minimum 160-amp Delco alternator
• Minimum three (3) flooded cell, 1000 CCA batteries. Acceptable mounting locations:
o Outside frame rail with jump stud connection on outside of battery box o Inside frame rail with jump stud under the hood
• Lever-style master battery disconnect o Located outboard side of driver’s seat o Shall not kill power to DEF system or RP1226 connector when switched o
• RP1226 connector located behind center of dash area
• Minimum 1500-watt block heater
• Prewired 12-volt circuit to both RH and LH top rear of cab dedicated for strobe lighting controlled by a labeled switch in the cab o Must be functional with ignition key on or o
• Prewired 12-volt circuit for grill mounted strobe lights terminating at the front of the frame or grill area, controlled by a labeled switch in the cab o Must be functional with ignition key on or o
• 2-way radio wiring provided in center overhead console
• Minimum of one (1) 12-volt accessory power outlet in the cab
• Minimum of two (2) pre-wired upfitter circuits for future use o 12-volt o Current protection at 20 amps o Controlled by individual 2 position on-o switches in the cab
• Any unused or unprogrammed switches in the cab shall not be provided or installed
• All stop/tail/turn/marker lights shall be LED
• Electric brake controller with female J2863 (7-way RV) connector wired for combination stop/turn lamps and mounted in the LH side of the pintle plate at the rear of the chassis
• Self-adjusting backup alarm
• City horn
CHASSIS FEATURES and ACCESORIES
• Front tow hooks
• 36-inch air lock sliding fifth wheel with 8-inch minimum height and left-hand release
• Unpolished, full aluminum headache rack:
o Jail bar window o RH and LH beacon light mounting brackets/stanchions on top of headache rack o LH and RH chain hangers and trays
• Additional air supply circuit for future use bulkheaded to the headache rack and controlled by a switch in the cab with on-o functionality
• Minimum 12-foot straight rubber trailer air hoses with necessary securement components
• Minimum 12-foot tethered trailer wiring cord with male J-560 connector wired for separate stop/turn lamps
• Unpolished aluminum toolbox approximately 18 X 18 X 36 inches, or largest o ered for available
CA, mounted on either side of the frame
• Self-cleaning deck plates covering the entire exposed opening between frame rails in front of the
5th wheel
• Unpolished aluminum or Stainless-Steel step(s) for access to deck plates from driver’s side of chassis
• Full 1-piece stainless steel fenders over rear drive tires RH and LH side o Mudflaps behind rear tires
• Pintle plate and pintle hitch installed at the rear of chassis o Bolt-on rigid type o 10-ton capacity o Center of pintle opening shall measure 21 inches, +/- 1-inch from the ground with air suspension at the correct ride height
• Hydraulic wet kit with hot-shift PTO o Controlled by a labeled switch in the cab o Approximately 14 GPM at idle and 2500 psi. relief valve setting o Supply and return circuits bulkhead mounted through a surface incorporated to, or behind the rear of the headache rack #12 male JIC supply circuit capped o #16 male JIC return circuit capped o o Minimum 30-gallon hydraulic tank with visual level indicator. Acceptable mounting locations:
Behind the rear of headache rack Incorporated with the headache rack Inside or outside frame mounted Combined with a fuel tank o Spin-on return filter assembly
WARRANTY
Minimum 5-year, all-inclusive, 100,000-mile bumper to bumper coverage.
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