Development and Production of The HMMWV
In 1979, AM General began preliminary design work on the M998 Series High Mobility Multi-Purpose Wheeled Vehicle (HMMWV, pronounced Humvee); a 1.25-ton truck intended to replace the M151 MUTT and other Light Utility Vehicles. The U.S. Army awarded AM General a prototype contract in 1981 and the development and operational testing was conducted over a five-month period in 1982. In March 1983, AM General won an initial $1.2 billion contract to produce 55,000 Humvees to be delivered in five basic models and 15 different configurations over a five-year period.
In 1983, the LTV Corporation bought AM General from American Motors Corporation and established it as a wholly owned subsidiary of the LTV Aerospace and Defense Company.
In 1984, the AM General headquarters moved from the American Motors AMTEK Building in Southfield, Michigan, to Livonia, Michigan, and two years later to South Bend, Indiana, where the primary manufacturing operations were located.
Production began at the Mishawaka, Indiana, assembly plant in the fall of 1984 and the first deliveries were made in early 1985. The total production by mid-1991 was more than 72,000 vehicles including international sales.
In 1992, LTV sold AM General to The Renco Group, Inc., who in 2002 converted it to a limited liability company.
By March 1995 about 100,000 HMMWVs had been built. Since 1991, an additional 20,000 HMMWVs were ordered by governments.
Late in 2000, AM General was awarded another production contract for 2,962 trucks in the M998A2 series. The contract contained six single-year options running to fiscal year 2007. This contract was extended. To date, nearly 250,000 units have been produced.
Humvees feature full-time four-wheel drive, independent suspension, steep approach and departure angles, 60 percent gradeability and 16 inches (406 mm) of ground clearance. Humvees are currently in use by the U.S. Army, Marine Corps, Air Force and Navy at locations throughout the United States and by more than 50 friendly foreign nations. Current production models include the M1151, M1152, M1165, and M1167.
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