The M920 trucks are employed at the platoon level in essentially all engineer TOEs except ABN/AMBL. The M920 NSN is 2320-01-028-4397. It is also called Truck, Tractor, 20-ton. The M920 technical manuals were the TM-9-2320-273-xx series, where the xx represents the maintenance level.
Characteristics of the M920 Tractor
The M920 is powered by the Cummins Model NTC-400, 400 bhp @ 2100 rpm engine with a Caterpillar 7155 air-shift semi-Automatic (16 fwd gears, 2 rev) transmission and centrifugal clutch. It's tires are 11:00 X 24 bias ply. Brakes are air exhaust, drum type.
The M920 Truck, Tractor MET, 8x6 w/winch is equipped with a pusher axle for equalizing the load on the rear axles.
M920 Truck, Tractor MET, 8x6 w/winch
M920 Truck, Tractor MET, 8x6 w/winch from Company C, 92nd Engineer Battalion, providing engineer support to the 101st Airborne Division during field training exercise Quick Thrust, Ft. Stewart, GA, 9 November 1982.
Seabees and Army engineers work on an Iraqi airfield with equipment that includes an M-920 MET tractor with a tanker trailer, May 1991.
A St. Bernard Parrish firefighter washing down an M920 Tractor, returned from the flooded areas of New Orleans, LA, during Hurricane Katrina relief efforts, 13 September 2005.