John Deere 9R 440

The John Deere 9R 440 is a four-wheel drive (4WD) tractor in the 9R Series produced from 2021 onward. It is built in Waterloo, Iowa, USA. The tractor features a powerful John Deere JD14 13.6L 6-cylinder turbocharged aftercooled diesel engine with a rated gross power of 434.5 hp and a maximum gross power of 477.4 hp. It has an 18-speed full power shift transmission (e18) with 18 forward and 6 reverse gears. The tractor includes advanced mechanical features such as inboard planetary final drives, electro-hydraulic differential locks front and rear, articulated power steering, hydraulic wet disc brakes, and a cab with air-conditioning. Hydraulics are closed center pressure/flow compensated with a pressure of 2900 psi and pump flow options up to 110 gpm. The tractor hitch is a rear IVN/IV type with a rear lift capacity up to 20,000 lbs. Dimensions include a 154-inch wheelbase, 312.8-inch length, and a shipping weight of 45,980 lbs. Electrical system features a 250 amp alternator with optional 330 amps, 3 batteries at 12 volts each. The original price was $559,017 in 2023. Related models include the John Deere 9R 390, 9R 490, and the predecessor 9420R.