John Deere 4640

The John Deere 4640 is a row-crop tractor produced from 1978 to 1982 as part of the Iron Horses Series. It was built in Waterloo, Iowa, USA. It features a 7.6L 6-cylinder turbocharged intercooled diesel engine producing approximately 144 to 172 hp estimated engine power. The tractor offers two transmission options: a 16-speed partial power shift Quad-Range and an 8-speed full power shift PowerShift. It has a 4x2 2WD or 4x4 HFWD 4WD drive with pedal-actuated hydraulic differential lock and hydrostatic power steering. The tractor includes a Sound-Gard cab as standard. Fuel capacity is 83 gallons, and the hydraulic system holds 16.5 gallons. The rear hitch is category III/IIIN with a lift capacity of 7328 lbs. The rear PTO is independent with a 1000 rpm type. Dimensions include a wheelbase of 118.5 inches, length of 171 inches, and width options up to 118 inches. Weight ranges from 14,350 lbs shipping to 18,585 lbs ballasted. The tractor supports various tire sizes for front and rear. Electrical system features a negative ground, alternator charging, two 6-volt batteries. Attachments include the 168 Loader with a 3800 lbs lift capacity and 0.9 cu yd bucket capacity.