The Fortschritt ZT 303 is a farm tractor produced from 1971 to 1984 by Fortschritt in Schönebeck, Saxony-Anhalt, Germany. It features a VEB 6.6L 4-cylinder liquid-cooled diesel engine producing 98.6 hp (73.5 kW) with a 9-speed transmission offering 9 forward and 6 reverse gears. The tractor has four-wheel drive and a rear PTO with 540/1000 rpm options. It weighs 13,300 lbs (6032 kg) and has agricultural tires sized 12.5-20 front and 18.4/15-30 rear. Variants include the 2WD ZT 300 and the industrial ZT 304 model.