John Deere 2040S

The John Deere 2040S is a utility tractor produced from 1981 to 1987. It features a 3.9L 4-cylinder diesel engine producing 75 hp (55.9 kW) net power. The tractor offers two transmission options: an 8-speed partially synchronized and a 16-speed two-speed power shift. It is available in two- or four-wheel drive configurations with planetary final drives and mechanical rear differential lock. The 2040S includes hydraulic wet disc brakes, power steering, and a SoundGard 2 cab. Hydraulics are closed center with 2466 psi pressure and 12.4 gpm pump flow. The rear hitch is category II/I with lower-link draft control and a lift capacity of 5620 lbs (2549 kg). The PTO is independent with hydraulic disc clutch and offers 540 rpm standard and optional 540/1000 rpm speeds. Dimensions vary slightly between 2WD and 4WD models, with wheelbases around 90 inches and weights from 7365 to 7995 lbs. Tires are 7.50-16 front and 16.9-34 rear. Electrical system includes a 12-volt negative ground with a 55 amp alternator and two 66 AH batteries. The 2040S was built in Mannheim, Germany.