The U.S. Military M274 Truck, Platform, Utility, 1⁄2 Ton, 4X4 or "Carrier, Light Weapons, Infantry, 1⁄2 ton, 4x4", also known as the "Mule", "Military Mule", or "Mechanical Mule", is a 4-wheel drive, gasoline-powered truck/tractor type vehicle that can carry up to 1⁄2 short ton (0.45 tonnes) off-road. It was introduced in 1956 and used until the 1980s.