John Deere 4120 Utility
Series: Other models
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The John Deere 4120 is a tractor from the John Deere Utility Tractor series. The four-cylinder engine, displacing 2.4 litres, produces 44 hp (32.1 kW). Rated output is reached at 2,400 rpm, so it works in the lower rev range.
Wheelbase is 1.82 m.
Within the range, rated power spans from 21.3 to 58.8 hp; with 43.6 hp, the 4120 sits in the mid-field. Directly alongside are the 990 with 41 hp below and the 3720 with 44.6 hp above.
Technical data
Engine
| Engine model | 4024Tcorrect |
|---|---|
| Power | 43.6 hp (32.1 kW)correct |
| Rated speed | 2,400 rpmcorrect |
| Torque | 128.8correct |
| Speed at max. torque | 2,400 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 2,440 cm³correct |
| Aspiration | turbochargedcorrect |
| Coolant capacity | 6.4 lcorrect |
| Engine oil capacity | 7.6 lcorrect |
Dimensions and weights
| Wheelbase | 1,816.6correct |
|---|
Drivetrain and chassis
| Gearbox type | PowrReversercorrect |
|---|---|
| Forward gears | 12correct |
| Reverse gears | 12correct |
| System voltage | 12 Vcorrect |
Working data
| Pump flow | 64.7 l/mincorrect |
|---|---|
| Fuel tank capacity | 55.3 lcorrect |
Frequently asked questions
How much power does the John Deere 4120 have?
The John Deere 4120 delivers 43.6 hp.
What engine does the John Deere 4120 have?
4 cylinders, 2,440 cm³ displacement.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
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This page carries 18 individual figures for this model. They come from 2 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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