Komatsu D31EX-22 Crawler
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
Technical data
Engine
| Engine model | SAA4D95LE-5correct |
|---|---|
| Power | 81.1 hp (58.2 kW)correct |
| Rated speed | 2,200 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 3,261 cm³correct |
| Aspiration | Turbocharged, air-to-air aftercooledcorrect |
Dimensions and weights
| Ground clearance | 317correct |
|---|---|
| Unladen weight | 8,190 kgcorrect |
Drivetrain and chassis
| Gearbox type | dual-path, hydrostatic transmissioncorrect |
|---|---|
| Forward gears | 3correct |
| Reverse gears | 3correct |
Other data
| Height | 2,776.7correct |
|---|
Where this model stands
Power-to-weight ratio: 7.1 kW/t (58 kW / 8.2 t)
Stronger than 19% of the mining equipment in the register — out of 945 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Komatsu D31EX-22 have?
The Komatsu D31EX-22 delivers 81.1 hp.
How much does the Komatsu D31EX-22 weigh?
The unladen weight is 8,190 kg.
What engine does the Komatsu D31EX-22 have?
4 cylinders, 3,261 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.
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This page carries 13 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
Sources: [1]
Dump truck in 3D section
Turn the model, look inside and click an assembly — each one is explained.