Caterpillar 797
Series: Caterpillar Rock Truck
Wikimedia Commons · CC BY 2.0 · Dionisius Purba from Singapore, Singapore · Dateiseite
The Caterpillar 797 is a model in the Caterpillar Rock Truck series. The engine delivers 3,447.2 hp (2,394.4 kW), with a displacement of 117,000.4 cm³. The wheelbase measures 7,202.4 mm. Top speed is 64.1 km/h. The engine fitted is the Cat 3524B. Tyre size: 55/80R63. The Caterpillar Rock Truck series covers 29 models. Rated output within it ranges from 480.6 to 3,599.2 hp; the 797 sits at the top of that range with 3,447.2 hp. Its immediate neighbours are the 793D below it with 2,448.5 hp and the 797B above it with 3,599.2 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Mining equipment. 8 verified figures from 1 source are on file.
Technical data
Engine
| Engine model | Cat 3524Bcorrect |
|---|---|
| Engine | Caterpillar 7, 117 L V12x2 (Turbo) (3370 PS)correct |
| Power | 3,447.2 hp (2,394.4 kW)correct |
| Displacement | 117,000.4 cm³correct |
Dimensions and weights
| Length | 14,529.8correct |
|---|---|
| Wheelbase | 7,202.4correct |
Drivetrain and chassis
| Gearbox | Seven speed planetary gearsetcorrect |
|---|---|
| Tyre size | 55/80R63correct |
| Top speed | 64.1 km/hcorrect |
Other data
| Main article | Caterpillarcorrect |
|---|
Frequently asked questions
How much power does the Caterpillar 797 have?
The Caterpillar 797 delivers 3,447 hp.
What engine does the Caterpillar 797 have?
117,000 cm³ displacement.
How fast does the Caterpillar 797 go?
Top speed is 64.1 km/h.
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.
- Shift the gearbox cold and warm — jumps only show up at temperature.
- 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 13 individual figures for this model. They come from 3 recorded sources; 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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