The Belarus 6420 is a farm tractor manufactured by Belarus. It features a 7.1L 6-cylinder turbocharged diesel engine with direct injection, producing a claimed PTO power of 125 hp (93.2 kW). The tractor has a 16-speed partially synchronized transmission with 16 forward and 8 reverse gears. It is equipped with four-wheel drive, planetary final drives, electro-hydraulic differential lock, and hydrostatic power steering. The hydraulics system is open center with 3 valves. The rear tractor hitch is category III with position and draft control. The rear PTO operates at 540/1000 rpm. Standard tires are 14.9x24 front and 18.4x38 rear. Electrical system includes a negative ground, alternator charging, two 12-volt batteries. The Belarus 6420 was produced until 2009.