M939 (5-ton truck)

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5-ton truck (M939)

The M939 (colloquially probably also 5-ton truck - English 5-ton [6x6] truck - or 5-ton truck ) is a military multi-purpose vehicle . It replaces the M39 and M809 series .

Development and delivery

In the early 1970s, awarded US Army printing to the AM General Corporation , (English a new type trucks truck ) to develop, which the previous models with 2 and 5  tonnes (English tons to replace) - hence probably also colloquially 5-ton truck .

As part of this order, AM General developed the M809 series trucks. AM General supplied 92,000 of the M809s produced in the South Bend works to the US Army and other friendly armies. In addition to this large contract provided AM General from 1982 21.000 pieces of a modernized types of 5-ton trucks with the designation M939 Series (English M939 series ).

technology

AM General developed a completely new type of system for the M809 and M939, which allowed the truck drivers to let air out of the tires via a dashboard switch while driving, depending on the application. AM General had the CTIS (= Central Tire Inflation System) patented. It enabled greater mobility, while at the same time protecting the tires and thus extending their service life.

All M939 had a 180 kW NHC Cummins - diesel engine with a 5-speed Allison automatic transmission and two-stage reduction ( transfer case ). The top speed was around 86 km / h with a 6x6 all-wheel drive. They could be delivered with or without a front winch (ww / wow) as required. The pulling capacity of the winch was 9.1 tons (20,000 lb) and the on-board electrics work with 24 volts (two batteries with 12 V each in series, plus two for the starting process). The lifespan was 20 to 22 years.

Executions

  • M809 - Fahrgestell (English truck chassis ) for the M813, M813 A1 and M815
  • M809A1 - for M816 tow trucks ( wrecker )
  • M810 - generally for a wheelbase of 4.24 m
  • M811 - generally for wheelbase 5.46 m for M814
  • M811 A1 - general for wheelbase 5.46 m for M819
  • M811 A2 - generally for wheelbase 5.46 m for M820
  • M812 - generally for a wheelbase 5.46 m, for bridge transporter M821 (English transporter bridge floating ), with 14: 00x20 tires
  • M812 A1 - similar to M 812, but specifically for the Honest John rocket launcher
  • M813 - cargo truck , with 11: 00x20 tires
  • M813 A1 - like M813, but with foldable platform sides ( cargo truck with tailgate / dropsides ) and 11: 00x20 tires
  • M814 - Long wheel base ( lwb ), with 11: 00x20 tires
  • M815 - for tube or roller transport ( bolster truck ), with 11: 00x20 tires
  • M816 - Recovery and tow truck ( medium wrecker truck ), with 11: 00x20 tires
  • M817 - tipper ( dump truck ), with 11: 00x20 tires
  • M818 - tractor truck , with 11: 00x20 tires
  • M819 - tractor truck wrecker truck with 12: 00x20 tires
  • M820 - box structure for workshop, command center, etc. similar, foldable ( van expandable truck ), with 11: 00x20 tires
  • M820 A2 - like M820, but without windows, cooling, heating under construction, with 11: 00x20 tires
  • M821 - equipped with stanchions for bridge transport ( bridge transporter truck with stakes ), with 14: 00x20 tires

Type descriptions

M813

The M813 is a product renewal of the old M54 types. The purpose of this vehicle is to move material, people and cargo loads over all types of roads and terrain in all weather conditions. He is able to pass 0.76 m deep water without snorkeling equipment (the so-called fording kit) and 1.98 m deep water with snorkeling equipment. The curb weight is around 11 tons, the payload 10 tons on roads and 5 tons off-road. The trailer load is 15 tons on the road and 7.5 tons off-road. The vehicle is 7.721 m long, 2.488 m wide and 2.946 m high. The tank capacity is around 390 liters.

M816

The M816 is the recovery or towing version of the M809 series. The vehicle is able to pull and lift all 5-tonne, it is equipped with a 5-ton front and a 10-ton rear winch, a hydraulic crane with a lifting capacity of 10 tons (with extension arm and support of the tree) or 5 tons (without). The M816 is 9,042 m long, 2,488 m wide and 2,946 m high. The tank capacity is around 665 liters.

M818

As a replacement for the M52 , the M818 was procured as a tractor unit. It is equipped with a fifth wheel to pull trailers with loads of 18.75 tons off-road (7.5 tons on the fifth wheel ) and 27.5 tons on the road (12.5 tons). The tank capacity is around 550 liters. The vehicle is 7.137 meters long, 2.488 meters wide and 2.946 meters high.

Web links

Single receipts

  1. ↑ a b M-809 5-TON TRUCK (English) - GlobalSecurity.org , on July 7, 2011.