The US M939 Military Truck Family

The US M939 Military Truck Family

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

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.