a. This operators manual contains instructions for operating and servicing the following M939/A1/A2 series vehicles:
M923/A1/A2, Cargo Truck, WO/W (Dropside)
M925/A1/A2, Cargo Truck, W/W (Dropside)
M927/A1/A2, Cargo Truck, WO/W (XLWB)
M928/A1/A2, Cargo Truck, W/W (XLWB)
M929/A1/A2, Dump Truck, WO/W
M930/A/A2, Dump Truck, W/W
M931/A1/A2, Tractor Truck, WO/W
M932/A1/A2, Tractor Truck, W/W
M934/A1/A2, Expansible Van, WO/W
(10) M936/A1/A2, Medium Wrecker, W/W
b. Vehicles purpose.
The M923/A1/A2, M925/A1/A2, M927/AYA2, and M928/A1/A2 series cargo trucks provide transportation of
personnel or equipment over a variety of terrain and climate conditions.
The M929/A1/A2 and M930/A1/A2 series dump trucks are used to transport various materials over a variety
of terrains. Each vehicle can be equipped with troop seat, and tarpaulin and bow kits for troop transport operations.
The M931/A/A2 and M932/A1A2 series tractor trucks are equipped with a fifth wheel used to haul a
semitrailer over a variety of terrain.
The M934/A1/A2 series expansible vans are designed to transport electronic base stations over a variety of
The M936/A1/A2 series wreckers are designed for recovery of disabled or mired vehicles, and perform crane
c. The material presented here provides operators with information and procedures needed to provide the safest and
most efficient operation and servicing of these vehicles. This information includes:
The function of controls.
Operation instructions for vehicle.
Cautions and warnings to operators regarding safety to personnel and equipment.
Operator maintenance checks and services.
Troubleshooting procedures to be followed by operator if the vehicle malfunctions.
Operator forms and records.