The Fahr D181 is an orchard/vineyard tractor produced by Fahr from 1955 to 1958. It features a 24 hp air-cooled 2-cylinder diesel engine (MWM AKD112Z) with a displacement of 1.8 L. The tractor has a 5-speed gear transmission (ZF 6) with 5 forward and 1 reverse gears. It is a two-wheel drive tractor with manual steering and an open operator station. The D181 has a wheelbase of 68.4 inches, length of 106.2 inches, width of 42.2 inches, height of 59.1 inches, and weighs 2780 lbs. It is equipped with 5.00-16 front tires and 9-24 rear tires. A high-wheel variant called the D181H was also produced.