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Years in Production / 1969–1972
John Deere
3120
Explore the specifications, hardware, and original references for the John Deere 3120.
86hp
Source index power
2WD Only
Drive
1969–1972
Production years
John Deere
Manufacturer
3120 / 01
At a glance
Overview
1969 - 1972
Row-Crop tractor
Production
Row-Crop tractor
Built in Mannheim, Baden-Württemberg, Germany
- Manufacturer
- John Deere
Mechanical
Two-wheel drive
Power steering
Hydraulic wet disc brakes
Open operator station. Two-post ROPS available.
- Final Drives
- planetary
- Differential Lock
- mechanical rear
Hydraulics
- Type
- closed center
- Pressure
- 2250 psi155.1 bar
Hitch
- Rear Type
- II
Pto
- Rear Type
- 540/1000
Electrical
- Ground
- negative
- Battery Volts
- 12
- Battery Ah
- 88
3120 / 02
Under the hood
Engine Detail
John Deere
diesel
6-cylinder
liquid-cooled
- Displacement
- 303 ci5.0 L
- Bore Stroke
- 3.86x4.33 inches98 x 110 mm
- Power Net
- 80 hp59.7 kW
- Power Gross
- 86 hp64.1 kW
- Fuel System
- direct injection
- Compression Ratio
- 16.7:1
- Rated Rpm
- 2200
- Idle Rpm
- 600-2360
- Torque
- 220 lb-ft298.3 Nm
- Torque Rpm
- 1450
- Firing Order
- 1-5-3-6-2-4
- Starter
- electric
- Starter Volts
- 12
- Oil Capacity
- 11 qts10.4 L
- Coolant Capacity
- 20 qts18.9 L
- Fuel Type
- diesel
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
John Deere 5.0L 6-cyl diesel
- Fuel Tank
- 28 gal106.0 L
3120 / 03
Gears & controls
Transmission
Three synchronized gears in two ranges, plus reverse range, with two-speed high-low shift. Tractor must be stopped, and clutch used, to shift range.
- Transmission Type
- twos-peed power shift
- Gears
- 12 forward and 6 reverse
- Clutch
- dry disc
- Speeds Description
- With 16.9/14-34 rear tires.
John Deere3120 Transmission
12-speed twos-peed power shift
3120 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Wheelbase
- 97 inches246 cm
- Weight
- 7717 lbs3500 kg
- Front Tire
- 7.50-18
- Rear Tire
- 16.9/14-34
Tires And Tracks
- Front Ag
- 7.50-18
- Front Ag
- 7.50-16
- Rear Ag
- 16.9/14-34
- Rear Ag
- 18.4/15-34
- Rear Ag
- 15.5-38
3120 / 05
Tractor Photos
See it in action
Videos
Watch John Deere 3120 videos from their original YouTube creators.