John Deere 8120 Technical specs


Make John Deere
Model 8120
Company country United states
Production years From 2002  Until 2005
Tractor type Row Crop tractor
Fuel diesel
Price -
Total build -
Service repair manual John Deere 8120 Manual
AG front tires 11.00-24
AG rear tires 480/80R46
Weight 19,100 lbs or 8663 kg
Length 209.9 inches [533 cm]
Width -
Height 120.2 inches [305 cm]
Wheelbase 115.7 inches [293 cm]
Ground clearance -
Front tread size 60 to 88 inches
Engine size 496 ci or 8.1 L
Number of cylinders 6 cylinders
Horsepower 230 hp or 171.5 kW
Power RPM 2200 (rpm)
Engine torque -
Engine torque RPM -
Fuel type diesel
Fuel injection system electronic high-pressure common rail (HPCR)
Fuel tank capacity 135 gal or 511.0 L
Compression ratio 16.5:1
Bore stroke 4.56x5.06 inches or (116 x 129 mm)
Oil tank capacity 22.7 qts or 21.5 L
Oil change frequency 250 h
Coolant tank capacity 35.9 qts or 34.0 L
Number of batteries 2
Battery voltage 12 V
Battery cold cranking Amps 925
Electric ground force negative
Electric charging system alternator
Electric charging Amps 150 amps
Engine starter volts 12 V
Parts And Accessories John Deere 8120 Parts
Transmission system John Deere PowerShift
Transmission type full power shift
Transmission gears 16 forward and 4 reverse
Clutch system hydraulic wet disc
Oil tank capacity 148 qts or 140.1 L
Wheel drive 4x2 2WD
Steering system hydrostatic power
Braking system hydraulic wet disc
Cabin type Cab standard
Hydraulic system closed center pressure-flow compensated
Number of valves 5
SVC flow rate 30 gpm or 113.6 lpm
Hydraulic tank capacity 37 gal or 140.0 L
Hydraulic pressure 2900 psi or 200.0 bar
Hydraulic max flow 33.5 gpm or 126.8 lpm
Drawbar real power 148.45 hp or 110.7 kW
Drawbar fuel consumption 10.2 gal/hour or 38.6 l/hour
Max drawbar pull 22,308 lbs or 10118 kg
PTO claimed power 170 hp or 126.8 kW
PTO real power 172.13 hp or 128.4 kW
PTO engine @RPM 540@1975 (rpm)
PTO clutch system hydraulic wet discs
Rear PTO system independent
Rear PTO RPM 1000 (rpm)
Front PTO system -
PTO fuel consumption 10.1 gal/hour or 38.2 l/hour
Hitch control system -
Rear hitch III,IIIN
Rear hitch lift 12,300 lbs or 5579 kg
Front hitch IIIN
Front hitch lift 11000 lbs or 4989 kg



Detailed review of John Deere 8120

John Deere produced its 8120 farm tractor model From 2002  Until 2005 in United states with a Cab standard cabin.
Talking dimensions and weight, this model weighs 19,100 lbs or 8663 kg has , 209.9 inches [533 cm] of length and 120.2 inches [305 cm] of height while maintaining a wheelbase of 115.7 inches [293 cm] the front tread is about 60 to 88 inches.
This tractor can fit ag tires of 11.00-24 front and 11.00-24 back .
This John Deere 8120 is powerd by a diesel engine it has 496 ci or 8.1 L 6 cylinders ,it can produce 230 hp or 171.5 kW at 2200 (rpm), the fuel tank capacity is 135 gal or 511.0 L.
This machine has 4x2 2WD wheel drive system,16 forward and 4 reverse John Deere PowerShift transmission system.

- John Deere provided us with the latest version of its 8120 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 8120 farm-tractor here