John Deere 790 Utility
Series: Other models
The John Deere 790 is a tractor from the John Deere Utility Tractor series. The three-cylinder engine, displacing 1.3 litres, produces 27 hp (20.1 kW). Rated output is reached at 2,700 rpm, so it works in the lower rev range.
Wheelbase is 1.55 m.
Within the range, rated power spans from 21.3 to 58.8 hp; with 27.4 hp, the 790 sits in the lower third. Directly alongside are the 2520 with 26.9 hp below and the 3120 with 29.9 hp above.
Technical data
Engine
| Engine model | 3TNV82Acorrect |
|---|---|
| Power | 27.4 hp (20.1 kW)correct |
| Rated speed | 2,700 rpmcorrect |
| Torque | 73.3correct |
| Speed at max. torque | 2,700 rpmcorrect |
| Cylinders | 3correct |
| Displacement | 1,301.1 cm³correct |
| Aspiration | naturalcorrect |
| Coolant capacity | 24.2 lcorrect |
| Engine oil capacity | 4.2 lcorrect |
Dimensions and weights
| Wheelbase | 1,551.4correct |
|---|
Drivetrain and chassis
| Gearbox type | sliding-gear transmissioncorrect |
|---|---|
| Forward gears | 8correct |
| Reverse gears | 2correct |
| System voltage | 12 Vcorrect |
Working data
| Pump flow | 36.7 l/mincorrect |
|---|---|
| Fuel tank capacity | 24.2 lcorrect |
Frequently asked questions
How much power does the John Deere 790 have?
The John Deere 790 delivers 27.4 hp.
What engine does the John Deere 790 have?
3 cylinders, 1,301 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.
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This page carries 18 individual figures for this model. They come from 1 recorded source; 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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Other models in this series
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Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.