Oshkosh Defense® HEMTT A4 M985A4 GMT

Performance for the most extreme missions.

The Oshkosh® Heavy Expanded Mobility Tactical Truck (HEMTT) A4 Guided Missile Transporter (GMT) provides the versatility, durability and performance armed forces can rely on. Vital to defense mission success, it is used for the delivery, recovery and loading of guided missiles. Equipped with a mounted crane with a lifting capacity of 5,200 pounds (2358 kg), the HEMTT A4 GMT quickly and efficiently removes spent missile canisters from the launcher and replaces them with fresh missiles. An anti-lock braking system, traction control and air-ride suspension allows it to traverse all types of terrains. And a large, climate-controlled, armor-ready cab assists in keeping crew members comfortable and mission ready.

» Unmatched Capabilities

  • Mounted crane
  • Lift 5,200 lbs. (2,358 kg) at 20 ft (6.1m)
  • Remove/replace missile canisters
  • Option: 20,000 lbs. (9,072 kg) self-recovery winch

» Comprehensive Protection System

  • LTAS B-kit ready
  • Armor attachments
  • Integrated under cab protection
  • Gunner Protection Kit (GPK) mount
  • Machine gun mount


Delivering 55 more horsepower than its predecessor, the HEMTT A4 is versatile, durable and reliable, offering the extreme performance to assure mission success, each and every time.



Major changes and additions to the HEMTT A4 cab offer greater comfort and safety for mission success. These protection features include Long-Term Armor Strategy (LTAS) attachments advancing a modular approach to personnel protection.


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Oshkosh Defense