John Deere 4120: all source data
All 68 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | John Deere |
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| (no label) | Compact Utility tractor |
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| (no label) | Built in Augusta, Georgia, USA |
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Engine| (no label) | John Deere 2.4L 4-cyl diesel |
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Transmission| (no label) | 12-speed |
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| (no label) | hydrostatic |
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Power| Engine | 43.1 hp | 32.1 kW |
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| PTO (claimed) | 35 hp | 26.1 kW |
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Mechanical| (no label) | Four-wheel drive |
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| Steering | hydrostatic power |
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| (no label) | ROPS. |
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Capacity| Fuel | 14.5 gal | 54.9 L |
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| Hydraulic system | 10.3 gal | 39.0 L |
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| Hydraulic system | 9.6 gal (eHydro) | 36.3 L |
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Hydraulics| Type | open center |
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| Capacity | 10.3 gal | 39.0 L |
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| Capacity | 9.6 gal (eHydro) | 36.3 L |
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| Pressure | 2500 psi | 172.4 bar |
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| Pump flow | 12 gpm | 45.4 lpm |
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| Total flow | 17.1 gpm | 64.7 lpm |
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| Steering flow | 5.1 gpm | 19.3 lpm |
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Hitch| Rear Type | I |
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| Rear lift (at ends) | 3,130 lbs | 1419 kg |
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| Rear lift (at 24"/610mm) | 2,500 lbs | 1134 kg |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 540 |
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| Mid PTO | independent (optional) |
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| Mid PTO Type | 2100 |
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Dimensions| Wheelbase | 71.5 inches | 181 cm |
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| Weight | 3700 lbs | 1678 kg |
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| Front tire | 8.00-16 |
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| Rear tire | 13.6-28 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 75 |
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| Battery CCA | 770 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | John Deere |
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| (no label) | turbocharged diesel |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 148.9 ci | 2.4 L |
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| Bore/Stroke | 3.386x4.134 inches | 86 x 105 mm |
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| Power | 43.1 hp | 32.1 kW |
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| Compression | 20:1 |
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| Rated RPM | 2400 |
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| Starter volts | 12 |
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| Starter power | 2.9 hp | 2.2 kW |
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| Oil capacity | 7.9 qts | 7.5 L |
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| Coolant capacity (Coolant) | 6.4 qts | 6.1 L |
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Transmission
Transmission options| (no label) | 12-speed |
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| (no label) | hydrostatic |
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Transmission| Transmission | PowrReverser |
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| Gears | 12 forward and reverse |
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| Oil capacity | 41.2 qts | 39.0 L |
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| Transmission | eHydro |
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| Type | hydrostatic |
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| Gears | infinite forward and reverse |
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| Oil capacity | 38.4 qts | 36.3 L |
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Dimensions
Tires| Ag front | 8.00-16 |
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| Ag rear | 13.6-28 |
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Dimensions| Wheelbase | 71.5 inches | 181 cm |
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| Length | 128.2 inches | 325 cm |
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| Width | 65.6 inches (R1 tires) | 166 cm |
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| Height (hood) | 62 inches | 157 cm |
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| Height (ROPS) | 97.2 inches | 246 cm |
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| Weight | 3700 lbs | 1678 kg |
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| Max Drawbar | 1,103 lbs | 500 kg |
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