HEAVY EXPANDED MOBILITY TACTICAL TRUCK (HEMTT) VEHICLES
The HEMTT series of vehicles is designed for use on all types of road and cross-country terrain in
all weather conditions. It is powered by a V-8 diesel engine with a four-speed automatic
transmission and two-speed transfer case. It has leaf-spring and equalizer beam suspension with
hydraulic-assist power steering on both front axles and eight-wheel, air-actuated brakes.
FIGURE 28. M977 CARGO TRUCK.
The M977/M985 cargo trucks are general purpose carriers with a rear-mounted materials-handling
crane. They are used for resupply of ammunition to forward units. Some trucks are equipped with