Developed in the 1970’s, The US M939 Military Truck Family is a common 6×6 chassis, on which a family of varying rolled vehicles have been built on, which have been in service with the US Armed Forces since the 1980’s. They all share the same engine and armour, with an estimated 32,000 in service. There is an M928, an M928A1, and M928A2 upgrade.
The US M939 Military Truck Family Variants
Model |
Description |
Chassis |
|---|---|---|
| M923 | Basic cargo/transport truck with a soft-top cab | 179 in. (454 cm) wheelbase |
| M925 | Same as the M923, but with a 15,000 lb winch on the front | 179 in. (454 cm) wheelbase |
| M927 | Extended-body version of the M-923 | 215 in (546 cm) Extra Long Wheelbase (XLWB) |
| M928 | Same as the M927, but with a 15,000 lb winch on the front | 215 in (546 cm) Extra Long Wheelbase (XLWB) |
| M929 | Dump truck | 167 in. (424 cm) wheelbase |
| M930 | Same as the M929, but with a 15,000 lb winch on the front | 167 in. (424 cm) wheelbase |
| M931 | Tractor-trailer truck | 167 in. (424 cm) wheelbase |
| M932 | Same as the M931, but with a 15,000 lb winch on the front | 167 in. (424 cm) wheelbase |
| M934 | Enclosed van body, often used as a mobile command post | 215 in (546 cm) Extra Long Wheelbase (XLWB) |
| M936 | Wrecker | 179 in. (454 cm) wheelbase |
Specifications The US M939 Military Truck Family (M829A2)
Cab seating 1 + 2 men
Weight (empty) 9.95 tonne
Maximum load 4.56 tonne
Length 7.89m
Width 2.47m
Height 3.07m
Engine Cummins 6CTA8.3 diesel
Engine power 240hp
Maximum road speed 86km/h
Range 400 – 500km
Gradient 60%
Side slope 30%
Vertical step 0.6m
Trench 0.7m
Fording 0.76m
Fording (with preparation) 1.5m
The US M939 Military Truck Family Operators
The vehicle is in service with a number of other countries in the Middle East and Asia. It is currently being replaced by more modern trucks in some countries, such as the USMC are purchasing the MTVR.