The Cletrac FDE is an agricultural crawler tractor produced from 1945 to 1953 by Cletrac, a part of Oliver, built in Cleveland, Ohio, USA. It features a Hercules 14.7L 6-cylinder liquid-cooled diesel engine with an estimated 162.2 hp engine power. The tractor has a 4-speed gear transmission with 4 forward and 2 reverse gears, and a crawler drive with an open operator station. It weighs 29,760 lbs (13,499 kg).