Caterpillar 525

Series: Caterpillar Skidder

With the 525, Caterpillar offers a model from the Caterpillar Skidder series. The engine delivers 177.4 hp (119.3 kW), has 4 cylinders, with a displacement of 6,964.5 cm³. Rated speed is 2,200 rpm. The unladen weight is 15,200 kg. The wheelbase measures 3,502.2 mm. Ground clearance is 527.3 mm. The tank holds 265.4 litres. The gearbox has 4 forward gears. There are also 3 reverse gears. The hydraulic tank holds 74.2 litres. The cooling system holds 36.3 litres. The oil fill is 19.3 litres. The engine fitted is the Cat 3304 DIT Diesel. Tyre size: 23,1-26. The Caterpillar Skidder series covers 20 models. Rated output within it ranges from 96.3 to 1,217.7 hp; the 525 sits at the bottom of that range with 177.4 hp. Its immediate neighbours are the 528 below it with 176.8 hp and the 525B above it with 182.5 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Forestry equipment. 19 verified figures from 1 source are on file.

Technical data

Engine

Engine modelCat 3304 DIT Dieselcorrect
Power177.4 hp (119.3 kW)correct
Rated speed2,200 rpmcorrect
Cylinders4correct
Displacement6,964.5 cm³correct
Aspirationturbochargedcorrect
Coolant capacity36.3 lcorrect
Engine oil capacity19.3 lcorrect

Dimensions and weights

Width3,130.3correct
Wheelbase3,502.2correct
Ground clearance527.3correct
Unladen weight15,200 kgcorrect

Drivetrain and chassis

Forward gears4correct
Reverse gears3correct
Tyre size23.1-26correct

Working data

Hydraulic oil capacity74.2 lcorrect
Fuel tank capacity265.4 lcorrect

Other data

Height3,051correct

Where this model stands

Power-to-weight ratio: 7.8 kW/t (119 kW / 15.2 t)

Stronger than 31% of the forestry equipment in the register — out of 111 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Caterpillar 525 have?

The Caterpillar 525 delivers 177 hp.

How much does the Caterpillar 525 weigh?

The unladen weight is 15,200 kg.

What engine does the Caterpillar 525 have?

4 cylinders, 6,964 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.
  • 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]

Forwarder in 3D section

Turn the model, look inside and click an assembly — each one is explained.

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