Caterpillar 770
Series: Caterpillar Rock Truck
The 770 from Caterpillar is part of the Caterpillar Rock Truck series. The engine delivers 518.1 hp (355 kW), has 6 cylinders, with a displacement of 15,200.6 cm³. Torque is 2,319.8 Nm. Rated speed is 1,800 rpm. The wheelbase measures 3,959.4 mm. Ground clearance is 679.7 mm. Top speed is 74.8 km/h. The tank holds 530 litres. The hydraulic tank holds 94.6 litres. The cooling system holds 113.6 litres. The oil fill is 212 litres. The engine fitted is the Cat C15 ACERT. Tyre size: 18,00R33(E4). The Caterpillar Rock Truck series covers 29 models. Rated output within it ranges from 480.6 to 3,599.2 hp; the 770 sits at the bottom of that range with 518.1 hp. Its immediate neighbours are the 771D below it with 517.1 hp and the 772 above it with 606.3 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Mining equipment. 19 verified figures from 1 source are on file.
Technical data
Engine
| Engine model | Cat C15 ACERTcorrect |
|---|---|
| Power | 518.1 hp (355 kW)correct |
| Rated speed | 1,800 rpmcorrect |
| Torque | 2,319.8correct |
| Cylinders | 6correct |
| Displacement | 15,200.6 cm³correct |
| Aspiration | turbochargedcorrect |
| Coolant capacity | 113.6 lcorrect |
| Engine oil capacity | 212 lcorrect |
Dimensions and weights
| Length | 8,738.6correct |
|---|---|
| Width | 4,751.8correct |
| Wheelbase | 3,959.4correct |
| Ground clearance | 679.7correct |
Drivetrain and chassis
| Gearbox type | Power Shiftcorrect |
|---|---|
| Tyre size | 18.00R33(E4)correct |
| Top speed | 74.8 km/hcorrect |
Working data
| Hydraulic oil capacity | 94.6 lcorrect |
|---|---|
| Fuel tank capacity | 530 lcorrect |
Frequently asked questions
How much power does the Caterpillar 770 have?
The Caterpillar 770 delivers 518 hp.
What engine does the Caterpillar 770 have?
6 cylinders, 15,201 cm³ displacement.
How fast does the Caterpillar 770 go?
Top speed is 74.8 km/h.
What are the dimensions of the Caterpillar 770?
8,739 mm × 4,752 mm.
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 19 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]
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