M809 series 5-ton 6×6 truck
The M809 Series 5-ton 6x6 truck (G908) 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.
Source: Wikipedia — M809 series 5-ton 6×6 truck (CC BY-SA 4.0)