The H2 was built under contract by AM General at a specially constructed plant in Mishawaka, Indiana, USA. The H2's final frame assembly is made up of 3 sections: The front uses a modified GM 2500-Series utility frame, the midsection is all new and is completely boxed, and the rear section uses a modified GM 1500-Series frame which is upgraded for the 8,600 pounds (3,900 kg) gross vehicle weight.