John Deere 7420 2WD
Series: Other models
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The John Deere 7420 is a tractor from the John Deere 2WD Tractor series. Power comes from a six-cylinder engine; from 6.8 litres it draws 137 hp (100.7 kW). Rated output is reached at 2,100 rpm, so it works in the lower rev range.
Unladen weight is 5,579 kg. Wheelbase is 2.87 m.
Within the range, rated power spans from 64.9 to 578 hp; with 137 hp, the 7420 sits in the mid-field. Directly alongside are the 7230 Premium Cab Tractor with 133 hp below and the 7330 Premium Cab Tractor with 152 hp above.
Technical data
Engine
| Power | 136.9 hp (100.7 kW)correct |
|---|---|
| Rated speed | 2,100 rpmcorrect |
| Torque | 561.3correct |
| Speed at max. torque | 1,398 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 6,800.6 cm³correct |
| Aspiration | turbochargedcorrect |
Dimensions and weights
| Wheelbase | 2,865.1correct |
|---|---|
| Unladen weight | 5,579 kgcorrect |
Drivetrain and chassis
| Gearbox type | PowerQuad Pluscorrect |
|---|---|
| Forward gears | 16correct |
| Reverse gears | 16correct |
Working data
| Pump flow | 101.1 l/mincorrect |
|---|---|
| Fuel tank capacity | 250.2 lcorrect |
Where this model stands
Power-to-weight ratio: 18 kW/t (101 kW / 5.6 t)
Power class: Large (100–180 hp)
Stronger than 81% of the tractors in the register — out of 15,240 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the John Deere 7420 have?
The John Deere 7420 delivers 137 hp.
How much does the John Deere 7420 weigh?
The unladen weight is 5,579 kg.
What engine does the John Deere 7420 have?
6 cylinders, 6,801 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.
- Check the weights in the papers against the figures here — attachments change them.
- 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 15 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
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