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The basic M35 cargo truck is rated to carry 5,000 pounds (2,300 kg) off-road or 10,000 pounds (4,500 kg) on roads. Trucks in this weight class are considered medium duty by the military and the Department of Transportation.
In 1950 the next generation of tactical trucks were being developed. Sizes were rationalized, with 1 ⁄ 4 and 3 ⁄ 4-ton 4x4s and 2 + 1 ⁄ 2, 5, and 10-ton 6x6s. Trucks were military standard designs, 6x6 trucks used common cabs and similar fender and hood styles. [14]
The M39 series 5-ton 6×6 truck was a family of heavy tactical trucks built for the United States Armed Forces. The basic cargo version was designed to transport a 5-ton (4,500 kg), 14 ft (4.3 m) long load over all terrain in all weather. In on-road service the load weight was doubled.
In 1949 the US Army set a requirement for a family of extra heavy-duty 10‑ton (9,072 kg) load rated, off-road, 6x6 tactical trucks. Mack's design, influenced by their WWII era NO (7 + 1 ⁄ 2-ton, 6x6 truck), was chosen. Designed as an entire family of trucks, only the semi-tractor and cargo/prime mover were built. 392 M123 were built between ...
The safety of the M939 series of trucks has been criticized, especially braking performance and stability when loaded. In 1999 the U.S. Army began retrofitting anti-lock brake systems to the M939 trucks. [24] Until the trucks were modified, they were limited to a 40 mph (65 km/h) top speed by an Army-wide safety order. [citation needed]
The 2.5-ton (4×4) FMTV is designated as the Light Medium Tactical Vehicle (LMTV). The 5-ton (6×6) is designated the Medium Tactical Vehicle (MTV). [6] The FMTV is based on the Austrian Steyr 12 M 18 (4×4) truck, but has been localized to meet a minimum of 50% US content. The original 15 FMTV prototypes were assembled in Austria.
Restored CCKW 353 Cargo truck with open cab, machine gun ring, and front-mounted winch. The GMC CCKW, also known as "Jimmy", or the G-508 by its Ordnance Supply Catalog number, [a] was a highly successful series of off-road capable, 2 1 ⁄ 2-ton, 6×6 trucks, built in large numbers to a standardized design (from 1941 to 1945) for the U.S. Army, that saw heavy service, predominantly as cargo ...
The M274 evolved from improvements to a vehicle designed at the end of World War Two by Willys-Overland as a medical evacuation litter carrier from areas and terrain that would be a problem for the standard light vehicle of the period (the Jeep) to access. U.S. Patent 2457400 for the original design was applied for on December 2, 1944 and ...