The Zetor Forterra 8641 is a farm tractor produced from 1999 to 2007 as part of the Forterra Series. It features a 4.2L 4-cylinder turbocharged diesel engine delivering 85 hp (63.4 kW) with a 24-speed synchronized transmission. The tractor includes four-wheel drive, power steering, wet disc brakes, and a standard cab with optional air-conditioning. It has a rear lift capacity of 10,582 lbs (4,799 kg) and an independent rear PTO with 540/1000 rpm options. Dimensions include a 93.7 inch (237 cm) wheelbase, 172 inch (436 cm) length, and 106.7 inch (271 cm) height, weighing 8,708 lbs (3,949 kg). Standard tires are 13.6-24 front and 18.4-34 rear. The tractor is built in Brno, Czechoslovakia by Zetor.