The Belarus 520 is a 4WD farm tractor produced by Belarus from 1979 to 1991. It features a 4.7L 4-cylinder liquid-cooled diesel engine producing 65 hp (48.5 kW) with a 9-speed sliding gear transmission. The tractor has an open operator station and a rear PTO rated at 540 rpm. It has a wheelbase of 96.5 inches and weighs 6500 lbs. The hydraulic system is open center with a capacity of 5.4 gallons and a pump flow of 11.8 gpm. The rear hitch is category II with a lift capacity of 3700 lbs.