The ATC GT-25 Terratrac is an agricultural crawler tractor produced by ATC from 1950 to 1953. It was built in Churubusco, Indiana, USA. The tractor is powered by a Continental F-124 2.0L 4-cylinder gasoline engine producing 25 hp (18.6 kW) at 1850 RPM. It features a 3-speed transmission with 3 forward and 1 reverse gears and uses a crawler drive system. The fuel tank capacity is 10 gallons (37.9 liters). The GT-25 is capable of pulling 2 14-inch plows.