The M809 general utility truck was based on a successful M54 series design, that entered production in 1950 and remained in production for over 30 years. Over 92 000 of the M809 series trucks were built. These trucks retained the classic American military truck appearance with the long bonnet, spartan soft-topped cab, and a large carrying area. In the 1980s the M809 series trucks were supplemented, but not replaced with improved M939 series. The M809 series trucks were eventually replaced with a new MTV family of 6x6 utility trucks, however they still remain in service with many other nations.

   The main purpose of the M809 truck is to transport troops, cargo and materials over all types of roads, terrain and in all weather conditions. Vehicle has a payload capacity of about 4 500 kg. The cargo versions were often used as artillery tractors.

   The M809 referred to the chassis type. There were also M810, M811 and M812 chassis.

   The M809 truck is powered by Cummins NHC-250 diesel engine, developing 250 hp. Previous M54 series trucks were powered by a petrol engine. Vehicle is fitted with a central tyre inflation system, which was developed and patented by AM General. This system features driver activated dashboard controls that adjust tyre pressure to suit terrain conditions, while the vehicle is in motion. All models could be optionally fitted with winches, deep wading kits, cold weather kits and so on.

   Numerous variations of the M809 series models have appeared over the years.

Variants

   M813 cargo truck.

   M814 long wheelbase cargo truck.

   M815 bolster truck.

   M816 recovery vehicle.

   M817 dump truck.

   M818 tractor truck.

   M819 recovery vehicle.

   M820 van-bodied truck.

   M821 bridge transporter.