M39 Series

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The M54 5-ton 6×6 truck (G744) was the basic cargo model of the M39 Series truck. It was designed to transport a 10,000 lb (4,500 kg), 14-foot-long (4.3 m) cargo load off-road in all weather. In on-road service the load weight was doubled.
The series was designed by International Harvester and manufactured by Diamond T, International Harvester, Kaiser/Kaiser-Jeep, and Mack. Production began in 1961 and evolved into the M809 Series in 1969.
===Models===
*M39 Truck, Chassis, 5-ton, 6x6
*M40 Truck, Chassis, 5-ton, 6x6
*M41 Truck, Cargo
*M51 Truck, Dump, 5-ton, 6x6
*M52 Truck, tractor, 5-ton, 6x6
*M54 Truck, Cargo, 5-ton, 6x6
*M55 Truck, Cargo, XLWB, 5-ton, 6x6
*M61 Truck, Chassis, 5-ton, 6x6
*M62 Truck, Wrecker, 5-ton, 6x6 w/ Austin Western boom
*M246 Truck Wrecker, 6-ton, 6x6 w/fifth wheel behind boom
*M543 Truck, Wrecker, 5-ton w/ Garwood boom
*M63 Truck, Chassis, 5-ton, 6x6
*M64 Truck, Van, 5-ton, 6x6
M0039 Series