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Caterpillar 518 Grapple

Series: Caterpillar Skidder

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The Caterpillar Skidder series from Caterpillar includes the 518 Grapple. The engine delivers 131.8 hp (96.9 kW), with a displacement of 7,000.6 cm³. The unladen weight is 12,025 kg. The wheelbase measures 3,252.2 mm. Ground clearance is 472.4 mm. The tank holds 193.1 litres. The gearbox has 3 forward gears. There are also 3 reverse gears. The hydraulic tank holds 29.1 litres. The engine fitted is the 3,304. 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 518 Grapple sits at the bottom of that range with 131.8 hp. Its immediate neighbours are the D5H TSK Series II below it with 122.4 hp and the 527 Grapple above it with 152.1 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Forestry equipment. 14 verified figures from 1 source are on file.

Technical data

Engine

Engine model3,304correct
Power131.8 hp (96.9 kW)correct
Displacement7,000.6 cm³correct

Dimensions and weights

Width2,642.6correct
Wheelbase3,252.2correct
Ground clearance472.4correct
Unladen weight12,025 kgcorrect

Drivetrain and chassis

Forward gears3correct
Reverse gears3correct
Tyre size23.1-26correct

Working data

Hydraulic oil capacity29.1 lcorrect
Fuel tank capacity193.1 lcorrect

Other data

Height2,910.8correct

Where this model stands

Power-to-weight ratio: 8.1 kW/t (97 kW / 12 t)

Stronger than 16% 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 518 Grapple have?

The Caterpillar 518 Grapple delivers 132 hp.

How much does the Caterpillar 518 Grapple weigh?

The unladen weight is 12,025 kg.

What engine does the Caterpillar 518 Grapple have?

7,001 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 14 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

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