Volvo G66
Series: Volvo Motor Grader
The Volvo G66 is a model in the Volvo Motor Grader series. The engine delivers 86.2 hp, with a displacement of 3,921.4 cm³. Rated speed is 2,500 rpm. The machine is 6,352 mm long. The wheelbase measures 4,675.6 mm. The tank holds 148 litres. The hydraulic tank holds 114.3 litres. Working pressure is 124.1 bar. The cooling system holds 17 litres. The engine fitted is the 4B3,9. The Volvo Motor Grader series covers 34 models. Rated output within it ranges from 86.2 to 280.8 hp; the G66 sits at the bottom of that range with 86.2 hp. Its immediate neighbours are the G710 above it with 141.9 hp. 5366 Volvo models across 29 series are on record. The model is listed under Motor graders. 11 verified figures from 1 source are on file.
Technical data
Engine
| Engine model | 4B3.9correct |
|---|---|
| Power | 86.2 hpcorrect |
| Rated speed | 2,500 rpmcorrect |
| Displacement | 3,921.4 cm³correct |
| Coolant capacity | 17 lcorrect |
Dimensions and weights
| Length | 6,352correct |
|---|---|
| Wheelbase | 4,675.6correct |
Drivetrain and chassis
| Gearbox type | hydrostatic transmissioncorrect |
|---|
Working data
| Hydraulic oil capacity | 114.3 lcorrect |
|---|---|
| Hydraulic pressure | 124.1correct |
| Fuel tank capacity | 148 lcorrect |
Frequently asked questions
How much power does the Volvo G66 have?
The Volvo G66 delivers 86.2 hp.
What engine does the Volvo G66 have?
3,921 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 11 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]
Grader in 3D section
Turn the model, look inside and click an assembly — each one is explained.