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M-809 Series 5-ton, 6x6 Trucks
The M-809 series of 5-ton 6x6 trucks are utilized to transport equipment, material and or personnel. Similar to the M-39 (G-744) series of 5-ton trucks, over 92,000 of the M-809 series trucks were produced by Kaiser Jeep (later AM General Corp.) from 1969 into the 1980s.
US Military M-809 Series 5-ton, 6x6 Trucks (G-908)
There are many variants of the M-809 Series 5-ton, 6x6 trucks including:
Click on the link in the table for more information and photos of individual models of the M-809 series of trucks.
All of these models were produced with or without a winch, excepting the M820 Van. The M813A1 Truck, 5-ton, 6x6, Cargo with tailgate and dropsides was produced as a product improvement of the M54 Truck, Cargo to be compatible with and to replace the M35A2C 2 1/2 ton 6x6 Cargo Truck. The M816 Wrecker is a product improvement of the M543 Truck, Wrecker, Medium. The M820A2 Truck, Van: 5-ton, 6x6, Expansible was equipped with a Hydraulic Lift Gate. The M812 has two special modifications/variants:
There were three wheelbase variations supporting all the models of the M-809 series trucks:
The M-809 series trucks were powered by the 6 cal. 250hp@2100rpm Cummins NHC-250 diesel engine, the main difference between this series and the M-39 series of 5-ton trucks. The engine air intake of M-809 series vehicles is mounted on the left front (drivers side) fender, the opposite of the M-39 series trucks.
The cab was the same design used in both the M-39 series and the M-35 series of 2 1/2 ton trucks, while the frame, hood and engine compartment are longer than the M-39 series in order to accommodate the M-809's bigger engine. For example, the M54A2 has an overall length of 297 inches while the M813A1 reaches 301 1/4 inches, both without winch. The M-809 series trucks are equipped with a manual 5-speed transmission and 2-speed transfer case.
The M-939 series of 5-ton trucks superseded the M-809 series beginning in 1983, but both types of trucks continued to be used for several decades. In the U.S. Army the 5-ton medium tactical vehicles (MTV) of the FMTV series replaced remaining M-809 series trucks in the early 1990s, while in the U.S. Navy and Marine Corps the Medium Tactical Vehicle Replacement (MTVR) superseded both the M-809 and M-939 series of trucks after 1999.
Manuals for the M-809 series of 5-ton 6x6 trucks will be numbered TM 9-2320-260-xx where the xx represents the maintenance level. All together there are dozens of multi-volume manuals for the series of trucks.
Thanks to MSG J. Durham for help with this page.
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