John Deere 9420 4WD
Series: Other models
Not the right version? The data comes from vehicle registers holding many near-identical versions side by side. Photograph the data plate — we read make and type from it. Open the scanner e-mail address required
As a tractor, the John Deere 9420 belongs to the John Deere 4WD Tractor series. 431 hp (316.9 kW) is what the six-cylinder engine gets out of 12.6 litres. Rated power is reached at 2,100 rpm.
Unladen, it tips the scales at 15,820 kg.
Within the range, rated power spans from 50.7 to 568 hp; with 431 hp, the 9420 sits in the upper third. Directly alongside are the 9410R with 416 hp below and the 9520 with 456 hp above.
Technical data
Engine
| Power | 430.9 hp (316.9 kW)correct |
|---|---|
| Rated speed | 2,100 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 12,552.5 cm³correct |
| Aspiration | Turbocharged and air-to-air aftercooledcorrect |
Dimensions and weights
| Unladen weight | 15,820 kgcorrect |
|---|
Drivetrain and chassis
| Gearbox type | 24-speed powr-synccorrect |
|---|---|
| Tyre size | 710/70 R42correct |
Working data
| Pump flow | 113.6 l/mincorrect |
|---|---|
| Hydraulic pressure | 199.9correct |
| Fuel tank capacity | 1,022.1 lcorrect |
Where this model stands
Power-to-weight ratio: 20 kW/t (317 kW / 15.8 t)
Power class: Heavy (> 180 hp)
Stronger than 99% 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 9420 have?
The John Deere 9420 delivers 431 hp.
How much does the John Deere 9420 weigh?
The unladen weight is 15,820 kg.
What engine does the John Deere 9420 have?
6 cylinders, 12,552 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.
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
Request a quote →
We ask the suppliers and come back with price and lead time.
Request spare parts →
This page carries 12 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.
Missing a figure you were looking for? Report it →
Know this machine better? Have a photo, a manual, or know that a figure is wrong? Add it to the register →
Other models in this series
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.