John Deere 3120 utility tractor with 4wd, hydro transmission, and 300cx loader
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Years in Production / 2005–2008
John Deere
3120
Explore the specifications, hardware, and original references for the John Deere 3120.
No photo
29hp
Source index power
MFWD Optional
Drive
2005–2008
Production years
John Deere
Manufacturer
3120 / 01
At a glance
Overview
2005 - 2008
3000 Twenty Series
Compact Utility tractor
Production
Compact Utility tractor
Built in Augusta, Georgia, USA
- Manufacturer
- John Deere
Mechanical
Four-wheel drive
Wet disc brakes
Two-post folding ROPS.
- Steering
- power
Capacity
- Fuel
- 13.5 gal51.1 L
- Hydraulic System
- 6.8 gal25.7 L
Hydraulics
- Type
- open center
- Capacity
- 6.8 gal25.7 L
- Valves
- 5
- Pump Flow
- 8.6 gpm32.6 lpm
- Total Flow
- 13.9 gpm52.6 lpm
Hitch
- Rear Type
- I
- Rear Lift At Ends
- 2530 lbs1147 kg
Pto
- Rear Pto
- independent
- Rear Type
- 540
- Mid Pto
- optional
- Mid Pto Type
- 2100
Electrical
- Ground
- negative
- Charging Amps
- 40
- Battery Cca
- 500
- Battery Volts
- 12
3120 / 02
Under the hood
Engine Detail
Yanmar 3TNV84
diesel
3-cylinder
liquid-cooled
- Displacement
- 91.5 ci1.5 L
- Bore Stroke
- 3.3x3.54 inches84 x 90 mm
- Emissions
- Tier II
- Power
- 29.5 hp22.0 kW
- Fuel System
- direct injection
- Compression Ratio
- 18.5:1
- Rated Rpm
- 2600
- Torque
- 66.7 lb-ft90.4 Nm
- Torque Rpm
- 1560
- Starter Volts
- 12
- Oil Capacity
- 5.1 qts4.8 L
- Coolant Capacity
- 5.6 qts5.3 L
- Fuel Type
- diesel
- Cylinders
- 3
- Cooling
- liquid-cooled
Engine Options
Yanmar 1.5L 3-cyl diesel
3120 / 03
Gears & controls
Transmission
Controlled by two foot pedals and range shift lever. Tractor must be stopped before shifting ranges. Cruise control standard. SpeedMatch allows maximum speed to be limited. MotionMatch allows acceleration rate to be set. LoadMatch allows engine RPMs to be set, tractor will adjust speed to maintain RPMs.
- Transmission
- Sauer-Danfoss eHydro
- Transmission Type
- hydrostatic
- Gears
- infinite forward and reverse3-range
- Speeds Description
- With 11.2-24 rear tires.
John Deere3120 Transmission
hydrostatic
3120 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Wheelbase
- 68 inches172 cm
- Weight
- 3000 lbs1360 kg
- Front Tire
- 7-14
- Rear Tire
- 11.2-24
Tires And Tracks
- Front Ag
- 7-14
- Rear Ag
- 11.2-24
- Lawn Turf Front
- 27x8.5-15
- Lawn Turf Front
- 25x10.5LL-15
- Lawn Turf Rear
- 41x14-20
- Lawn Turf Rear
- 41x18LL-16.1
- Industrial Front
- 25x8.5-14
- Industrial Front
- 27x8.5-15
- Industrial Rear
- 15-19.5
- Industrial Rear
- 43x16-20
See it in action
Videos
Watch John Deere 3120 videos from their original YouTube creators.