Heavy Expanded Mobility Tactical Truck
The Heavy Expanded Mobility Tactical Truck (HEMTT) is an eight-wheel drive, diesel-powered, 10-short-ton (9,100 kg) tactical truck. The M977 HEMTT entered service in 1982 with the United States Army as a replacement for the M520 Goer, and has remained in production for the U.S. Army and other nations.
Source: Wikipedia — Heavy Expanded Mobility Tactical Truck (CC BY-SA 4.0)