The Heavy Expanded Mobility Tactical Truck (HEMTT) is an eight-wheel drive, diesel-powered, 10-short-ton (9,100kg), tactical truck used by the US military and others. In evolving configurations, it has been in continuous production since 1982. The M1142 is a Tactical Fire Fighting Truck (TFFT) capable of extinguishing aircraft, petroleum, brush, and structural fires at isolated military installations. M1158 HEWATT is designed to support the M1142 Tactical Fire Fighting Truck (TFFT) while providing supplementary fire suppression capabilities. Kit consist of 770+ parts, 24 sprues, steel tube, multi-directional slide-molded cab, full drive train assembly complete with engine transmission, differential housing and suspension units, rubber tires with tread pattern, clear parts for windshield and side windows and photo-etch parts.