The Zetor 3520 is a farm tractor built by Zetor in Brno, Czech Republic, introduced in 1995. It features a 2.3L 3-cylinder diesel engine producing 35 hp (26.1 kW) at the PTO. The tractor has a 10-speed transmission with 10 forward and 2 reverse gears. It includes an open-type hydraulic system with a pump flow of 5.3 gpm (20.1 lpm), a rear hitch type I with a lift capacity of 2200 lbs (997 kg), and a live 540 rpm rear PTO. The tractor weighs 3800 lbs (1723 kg) and rides on 5.50-16 front tires and 12.4-28 rear tires.