Caterpillar 775D

Series: Caterpillar Rock Truck

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The Caterpillar 775D is a model in the Caterpillar Rock Truck series. The engine delivers 735.1 hp (516.8 kW), has 12 cylinders, with a displacement of 27,001 cm³. Torque is 2,757.7 Nm. Rated speed is 2,000 rpm. The wheelbase measures 4,191 mm. Ground clearance is 600.5 mm. Top speed is 65.8 km/h. The tank holds 700.3 litres. Maximum torque is reached at 1,200 rpm. The cooling system holds 151 litres. The oil fill is 68.1 litres. The electrical system runs on 24 V. The engine fitted is the 3412ETA. Tyre size: 24,00-R35. The Caterpillar Rock Truck series covers 29 models. Rated output within it ranges from 480.6 to 3,599.2 hp; the 775D sits at the bottom of that range with 735.1 hp. Its immediate neighbours are the 773E below it with 719.8 hp and the 773F above it with 750.3 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Mining equipment. 20 verified figures from 1 source are on file.

Technical data

Engine

Engine model3412ETAcorrect
Power735.1 hp (516.8 kW)correct
Rated speed2,000 rpmcorrect
Torque2,757.7correct
Speed at max. torque1,200 rpmcorrect
Cylinders12correct
Displacement27,001 cm³correct
AspirationTurbocharged with Aftercoolercorrect
Coolant capacity151 lcorrect
Engine oil capacity68.1 lcorrect

Dimensions and weights

Length9,701.8correct
Width3,971.5correct
Wheelbase4,191correct
Ground clearance600.5correct

Drivetrain and chassis

Gearbox typePower shiftcorrect
Tyre size24.00-R35correct
Top speed65.8 km/hcorrect
System voltage24 Vcorrect

Working data

Fuel tank capacity700.3 lcorrect

Frequently asked questions

How much power does the Caterpillar 775D have?

The Caterpillar 775D delivers 735 hp.

What engine does the Caterpillar 775D have?

12 cylinders, 27,001 cm³ displacement.

How fast does the Caterpillar 775D go?

Top speed is 65.8 km/h.

What are the dimensions of the Caterpillar 775D?

9,702 mm × 3,972 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 20 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

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