The Fahr D131W is a farm tractor produced by Fahr from 1959 to 1960 with a total production of 450 units. It is powered by a Guldner 2DNS 1.3L 2-cylinder liquid-cooled diesel engine producing 20 hp (14.9 kW). The tractor features a ZF A205 8-speed gear transmission with 8 forward and 4 reverse gears, two-wheel drive, manual steering, and an open operator station. It has a rear PTO type of 540 rpm. The dimensions include a wheelbase of 70.9 inches (180 cm), length of 120.5 inches (306 cm), width of 59.8 inches (151 cm), height of 56.5 inches (143 cm), and a weight of 2600 lbs (1179 kg).