John Deere 8440 Technical specs


Make John Deere
Model 8440
Company country United states
Production years From 1979  Until 1982
Tractor type Four wheel Drive (4WD) tractor
Fuel diesel
Price -
Total build -
Service repair manual John Deere 8440 Manual
AG front tires 18.4-34
AG rear tires 18.4-34
Weight 26,590 lbs or 12061 kg
Length 223.5 inches [567 cm]
Width -
Height 126.6 inches [321 cm]
Wheelbase 125 inches [317 cm]
Ground clearance 19.4 inches [49 cm]
Rear tread size 63 to 130 inches
Front tread size 63 to 130 inches
Engine size 466 ci or 7.6 L
Number of cylinders 6 cylinders
Horsepower 215 hp or 160.3 kW
Power RPM 2100 (rpm)
Engine torque -
Engine torque RPM -
Fuel type diesel
Fuel tank capacity 156 gal or 590.5 L
Compression ratio 15.5:1
Bore stroke 4.5625x4.75 inches or (116 x 121 mm)
Oil tank capacity 22 qts or 20.8 L
Coolant tank capacity 40 qts or 37.9 L
Number of batteries 2
Battery voltage 6 V
Battery cold cranking Amps 850
Electric ground force negative
Electric charging system alternator
Electric charging Amps 90 amps
Engine starter volts 12 V
Parts And Accessories John Deere 8440 Parts
Transmission system John Deere Quad-Range
Transmission type partial power shift
Transmission gears 16 forward and 6 reverse
Clutch system hydraulic wet disc
Oil tank capacity 160 qts or 151.4 L
Wheel drive 4x4 articulated 4WD
Steering system articulated power
Braking system hydraulic wet disc
Cabin type Cab standard
Differentiel lock hydraulic front and rear
Hydraulic system closed center
Number of valves 2
Pump flow rate 33 gpm or 124.9 lpm
Hydraulic tank capacity 40 gal or 151.4 L
Drawbar real power 160.58 hp or 119.7 kW
Drawbar fuel consumption 11.2 gal/hour or 42.4 l/hour
Max drawbar pull 25,383 lbs or 11513 kg
PTO claimed power 175 hp or 130.5 kW
PTO real power 179.83 hp or 134.1 kW
PTO clutch system -
Rear PTO system independent
Rear PTO RPM 1000 (rpm)
Front PTO system -
PTO fuel consumption 11.3 gal/hour or 42.8 l/hour
Hitch control system -
Rear hitch III
Rear hitch lift 8545 lbs or 3876 kg



Detailed review of John Deere 8440

John Deere produced its 8440 farm tractor model From 1979  Until 1982 in United states with a Cab standard cabin.
Talking dimensions and weight, this model weighs 26,590 lbs or 12061 kg has , 223.5 inches [567 cm] of length and 126.6 inches [321 cm] of height while maintaining a wheelbase of 125 inches [317 cm] and a ground clearance of 19.4 inches [49 cm] the front tread is about 63 to 130 inches while the rear tread is 63 to 130 inches .
This tractor can fit ag tires of 18.4-34 front and 18.4-34 back .
This John Deere 8440 is powerd by a diesel engine it has 466 ci or 7.6 L 6 cylinders ,it can produce 215 hp or 160.3 kW at 2100 (rpm), the fuel tank capacity is 156 gal or 590.5 L.
This machine has 4x4 articulated 4WD wheel drive system,16 forward and 6 reverse John Deere Quad-Range transmission system.

- John Deere provided us with the latest version of its 8440 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 8440 farm-tractor here