The M1151 HMMWV has a heavier chassis and improved engine to handle add-on armor. It is built on an Expanded Capacity Vehicle chassis, which allows for more passengers or additional supplies (up to 2,300 lbs).
Its two- or four-seat variant is the M1152 Enhanced Troop/Cargo/Shelter Carrier, designed to replace the M1097A2 Heavy HMMWV and M1113 Expanded Capacity Vehicle,
This M1151 Enhanced Armament Carrier model is built based on the original kit manufactured by Academy at the scaled ratio of 1/35.