The Fortschritt ZT 403 is a farm tractor manufactured by Fortschritt in Schönebeck, Saxony-Anhalt, Germany, introduced in 1981. It features a 9.8L 6-cylinder liquid-cooled diesel engine producing 180 hp (134.2 kW). The tractor has a mechanical transmission with four-wheel drive. It weighs 14,770 lbs (6699 kg) and measures 200.8 inches (510 cm) in length. The front tires are sized 16-20 and the rear tires 18.4-34.