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HMMWV (High-Mobility Multipurpose Wheeled Vehicle)


Provide a common light tactical vehicle capability. Replaced the quarter-ton jeep, M718A1 ambulance, half-ton Mule, 1.25-ton Gamma Goat, and M792 ambulance.

Entered Army Service

Description and Specifications

The HMMWV is a light, highly mobile, diesel-powered, four-wheel-drive vehicle equipped with an automatic transmission. Based on the M998 chassis, using common components and kits, the HMMWV can be configured to become a troop carrier, armament carrier, S250 shelter carrier, ambulance, TOW missile carrier, and a Scout vehicle.

The M998 is the baseline vehicle for the M998 series of 1 1/4-ton trucks, which are known as the HMMWV vehicles. The HMMWV vehicles include 11 variants. They are:

All HMMWVs are designed for use over all types of roads, in all weather conditions and are extremely effective in the most difficult terrain. The HMMWVs high power-to-weight ratio, four-wheel drive and high ground clearance combine to give it outstanding cross-country mobility.

Length: 15 ft
Width: 7.08 ft
Height : 6.00 feet reducible to 4.5 feet
Weight: 5,200 lbs
Engine: V8, 6.2 litre displacement, fuel injected diesel, liquid cooled, compression ignition
Horsepower: 150 at 3,600 RPM
Transmission: 3 speed, automatic
Transfer case: 2 speed, locking, chain driven
Electrical system: 24 volt, negative ground, 60 amps
Brakes: Hydraulic, 4-wheeled disc
Fording depth: without preparation: 2.5 ft (76.2 cm)
with deep water fording kit : 5 ft (1.5 m)
Fuel type: Diesel
Fuel capacity: 25 gallons
Range: 350 miles highway
Max speed: 65 mph


AM General (South Bend, IN); O'Gara-Hess & Eisenhardt (Fairfield, OH)