M931A2 6x6 5 Ton Military Tractor Truck (TR-500-78)

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M931A2 6x6 5 Ton Military Tractor Truck (TR-500-78)


  • Military Part Number: M931A2
  • National Stock Number (NSN): 2320-01-230-0302, 2320012300302
  • Federal Supply Class (FSC): 2320 (Trucks and Truck Tractors, Wheeled)
  • National Item Identification Number (NIIN): 012300302
  • Federal Stock Number (FSN): 2320-230-0302, 23202300302

M931A2 with a Cummins 6CTA8.3 Turbo Engine, Anti-Lock Brakes, 14.00R20 Goodyear Tires, and (CTIS) Central Tire Inflation System which allows for the adjustment of tire pressure with just the push of a button.

The M939 series vehicles are an improved version of the M809 series. The
improvements make M939 series vehicles more reliable and easier to operate. The
major improvements are:

(1) Automatic Transmission
(2) Improved Power Steering System
(3) Complete Air brake System
(4) Improved Cooling System
(5) Improved Electrical System
(6) Three-Crew Member Cab
(7) Tilt Hood

The M931A2 tractor trucks are equipped with a fifth wheel hitch used to haul a semitrailer over a variety of terrain.

The 5-ton load limit rating of M939/A1/A2 series vehicles does not mean
these vehicles are limited to 5-ton payloads. A vehicle rating only indicates the
maximum amount of cargo weight the vehicle axles and frame can withstand when
operating under the worst cross-country conditions.

  • Year: 1990
  • Make: AM General
  • Model: M931A2
  • Engine: Cummins Turbo
  • Fuel Type: Diesel
  • Tire Condition: Good
  • Mileage: 39793
  • Hours: 1174
  • Transmission: Allison
  • Transfer Case: 2 Speed
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