John Deere 3120 Technical specs


Make John Deere
Model 3120
Company country United states
Production years From 2005  Until 2008
Tractor type Compact Utility tractor
Fuel diesel
Price -
Total build -
Service repair manual John Deere 3120 Manual
AG front tires 7-14
AG rear tires 11.2-24
Lawn front tires 25x10.5LL-15
Lawn rear tires 41x18LL-16.1
Industrial front tires 27x8.5-15
Industrial rear tires 43x16-20
Weight 3000 lbs or 1360 kg
Length 120.2 inches [305 cm]
Width 52.4 inches [133 cm]
Height 93.3 inches [236 cm]
Wheelbase 68 inches [172 cm]
Ground clearance -
Turning radius 9.2 feet [2.8 m]
Rear tread size 40.6/45.3/48.9/53.1/56.6 inches
Engine size 91.5 ci or 1.5 L
Number of cylinders 3 cylinders
Horsepower 29.5 hp or 22.0 kW
Power RPM 2600 (rpm)
Engine torque 66.7 lb-ft or 90.4 Nm
Engine torque RPM 1560 (rpm)
Fuel type diesel
Fuel injection system direct injection
Fuel tank capacity 13.5 gal or 51.1 L
Compression ratio 18.5:1
Bore stroke 3.3x3.54 inches or (84 x 90 mm)
Oil tank capacity 5.1 qts or 4.8 L
Coolant tank capacity 5.6 qts or 5.3 L
Number of batteries 1
Battery voltage 12 V
Battery cold cranking Amps 500
Electric ground force negative
Electric charging Amps 40 amps
Engine starter volts 12 V
Parts And Accessories John Deere 3120 Parts
Transmission system Sauer-Danfoss eHydro
Transmission type hydrostatic
Transmission gears infinite (3-range) forward and reverse
Wheel drive 4x4 MFWD 4WD
Steering system power
Braking system wet disc
Cabin type Two-post folding ROPS
Hydraulic system open center
Number of valves 5
Pump flow rate 8.6 gpm or 32.6 lpm
Hydraulic tank capacity 6.8 gal or 25.7 L
Hydraulic max flow 13.9 gpm or 52.6 lpm
PTO claimed power -
PTO clutch system -
Rear PTO system independent
Rear PTO RPM 540 (rpm)
Front PTO system -
Mid PTO system optional
Mid PTO RPM 2100 (rpm)
PTO fuel consumption -
Hitch control system -
Rear hitch I
Rear hitch lift 2530 lbs or 1147 kg



Detailed review of John Deere 3120

John Deere produced its 3120 farm tractor model From 2005  Until 2008 in United states with a Two-post folding ROPS cabin.
Talking dimensions and weight, this model weighs 3000 lbs or 1360 kg has 52.4 inches [133 cm] of width, 120.2 inches [305 cm] of length and 93.3 inches [236 cm] of height while maintaining a wheelbase of 68 inches [172 cm] while the rear tread is 40.6/45.3/48.9/53.1/56.6 inches .
This tractor can fit ag tires of 7-14 front and 7-14 back or lawn tires of 25x10.5LL-15 front and 25x10.5LL-15 back or industrial tires of 27x8.5-15 front and 43x16-20 back .
This John Deere 3120 is powerd by a diesel engine it has 91.5 ci or 1.5 L 3 cylinders ,it can produce 29.5 hp or 22.0 kW at 2600 (rpm), and has a torque of 66.7 lb-ft or 90.4 Nm at 1560 (rpm) the fuel tank capacity is 13.5 gal or 51.1 L.
This machine has 4x4 MFWD 4WD wheel drive system,infinite (3-range) forward and reverse Sauer-Danfoss eHydro transmission system.

- John Deere provided us with the latest version of its 3120 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 3120 farm-tractor here