AM General Awarded U.S. Army Contract for M997A3 HMMWV Ambulance

AM General LLC was awarded a contract, worth around $562 million, by the U.S. Army Contracting Command (ACC) for the procurement of M997A3 HMMWV ambulance.

Work locations and funding for the hybrid (cost and firm-fixed-price) contract will be determined with each order, with an estimated completion date of March 13, 2024.

The contract calls for production of up to 2,800 new M997A3 Ambulances.The total value of the contract, if all options are exercised, is approximately $800 million.

“AM General continues to support the warfighter’s needs by delivering high-quality M997A3 ambulances based off our modernized, proven, rugged, all-terrain HMMWV’s,” said Chris Vanslager, AM General Executive Vice President, US Defense. “We understand the importance of being able to reliably and safely transport the wounded within operational areas on the battlefield to medical aid stations and are proud that the M997A3 can fulfill this critical mission.”

As the prime contractor, and in partnership with Rock Island Arsenal, AM General will deliver quality and consistency in the M997A3 HMMWV ambulance manufacturing process by applying its Quality Management System across the entire enterprise which includes production parts suppliers, chassis and shelter production, and integrated vehicle testing. The Company will procure all system materials and parts, manufacture the chassis and body structure before shipping the integrated chassis system to Rock Island Arsenal where the ambulance shelter will be manufactured and assembled into the final product.

The first M997A3 ambulance deliveries are scheduled for Q2 2019.

M997A3 HMMWV Ambulance

The M997A3 is an latest ambulance configuration of the HMMWV (High Mobility Multipurpose Wheeled Vehicle) family.

Equipped with advanced armor protection, these combat ambulances were built to reliably transport causalities from the battlefield to medical aid stations. Capable of transporting up to four litter patients, eight ambulatory patients—or a combination of both—as well as medical personnel, equipment and a driver, the M997A3 is dependable in the face of danger.

The ambulance can be heated, ventilated or air conditioned, depending on environmental conditions. For operation in a nuclear, biological or chemical (NBC) environment, the M977A3 can be equipped with a Gas-Particulate Filter Unit (GPFU) with heaters capable of supporting up to seven personnel equipped with either M25 series protective masks or M13 series patient-protective masks. The GPFU sends temperature-controlled, filtered air to individual face masks, increasing protection, making breathing easier and reducing stress and heat fatigue during extended periods of NBC operation.


The High Mobility Multipurpose Wheeled Vehicle (HMMWV; colloquial: Humvee) is a family of light, four-wheel drive, military trucks and utility vehicles produced by AM General.

It has largely supplanted the roles previously performed by the original jeep, and others such as the Vietnam War-era M151 jeep, the M561 “Gama Goat”, their M718A1 and M792 ambulance versions, the Commercial Utility Cargo Vehicle (CUCV), and other light trucks.

Primarily used by the United States military, it is also used by numerous other countries and organizations and even in civilian adaptations. The Humvee saw widespread use in the Gulf War of 1991, where it negotiated the treacherous desert terrain; this usage helped to inspire civilian Hummer versions.

After going through a replacement process, the Oshkosh-built Joint Light Tactical Vehicle (JLTV) was chosen as its successor.

The Humvee is expected to remain in U.S. military service until at least 2050. Ambulance variants of the Humvee will especially remain in active use, as the JLTV couldn’t be modified to serve as one due to weight issues.

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