Zetor 8640

The Zetor 8640 is a row-crop tractor produced from 1996 to 1999 by Zetor in Brno, Czech Republic. It features a 4.2L 4-cylinder liquid-cooled diesel engine producing 82 hp, paired with an 18-speed synchromesh transmission. The tractor has 4WD drive, electro-hydraulic rear differential lock, and hydraulic wet disc brakes. It includes a standard cab with optional air-conditioning and two-post ROPS. The hydraulics system is open center with 2600 psi pressure and 3 valves. The rear hitch is category II with position and draft control and a lift capacity of 9000 lbs. The PTO is independent with wet disc clutch and operates at 540/1000 RPM. Dimensions include a 93.5 inch wheelbase, 156 inch length, and 8430 lbs weight. Tires are 12.4-24 front and 16.9-38 rear. Electrical system features a 12 volt negative ground with 55 amp alternator.