Caterpillar 518
Series: Caterpillar Skidder
The Caterpillar 518 is a model in the Caterpillar Skidder series. The engine with a displacement of 6,964.5 cm³. The unladen weight is 9,697.8 kg. The wheelbase measures 2,901.7 mm. Ground clearance is 506 mm. The tank holds 151.4 litres. The gearbox has 3 forward gears. There are also 3 reverse gears. The hydraulic tank holds 28.4 litres. Working pressure is 206.8 bar. The engine fitted is the 3,304. Tyre size: 18,4-34 to 28,1-16. The Caterpillar Skidder series covers 20 models. Unladen weight within it ranges from 7,770 to 21,380 kg; the 518 sits at the bottom of that range with 9,697.8 kg. Its immediate neighbours are the 508 Grapple below it with 8,766 kg and the 518 Cable above it with 10,250 kg. 1091 Caterpillar models across 47 series are on record. The model is listed under Forestry equipment. 13 verified figures from 1 source are on file.
Technical data
Engine
| Engine model | 3,304correct |
|---|---|
| Displacement | 6,964.5 cm³correct |
Dimensions and weights
| Width | 2,511.6correct |
|---|---|
| Wheelbase | 2,901.7correct |
| Ground clearance | 506correct |
| Unladen weight | 9,697.8 kgcorrect |
Drivetrain and chassis
| Forward gears | 3correct |
|---|---|
| Reverse gears | 3correct |
| Tyre size | 18.4-34 to 28.1-16correct |
Working data
| Hydraulic oil capacity | 28.4 lcorrect |
|---|---|
| Hydraulic pressure | 206.8correct |
| Fuel tank capacity | 151.4 lcorrect |
Other data
| Height | 2,792correct |
|---|
Frequently asked questions
How much does the Caterpillar 518 weigh?
The unladen weight is 9,698 kg.
What engine does the Caterpillar 518 have?
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.
Looking for this machine?
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
Request a quote →
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
Request a quote →
Need parts for this model?
We ask the suppliers and come back with price and lead time.
Request spare parts →
We ask the suppliers and come back with price and lead time.
Request spare parts →
This page carries 13 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.
Missing a figure you were looking for? Report it →
Know this machine better? Have a photo, a manual, or know that a figure is wrong? Add it to the register →
Other models in this series
508 Cable
508 Grapple
515
517 Grapple
518 Cable
518 Grapple
525
525B
525C Grapple
527
527 Grapple
528
Sources: [1]
Forwarder in 3D section
Turn the model, look inside and click an assembly — each one is explained.