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Komatsu W120-3

Series: Komatsu Wheel Loader

Source: https://www.komatsu.eu/de/alte-modelle/radlader/wa1200-3

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With the W120-3, Komatsu offers a model from the Komatsu Wheel Loader series. The engine delivers 202.8 hp (149.1 kW), with a displacement of 7,128.4 cm³. The unladen weight is 17,140 kg. The wheelbase measures 3,127.2 mm. Ground clearance is 460.2 mm. The tank holds 303.2 litres. The gearbox has 3 forward gears. There are also 3 reverse gears. The cooling system holds 49.2 litres. The engine fitted is the SA6D110. Tyre size: 23,5-25-12PR (L-2). The Komatsu Wheel Loader series covers 104 models. Rated output within it ranges from 29.4 to 1,738.8 hp; the W120-3 sits at the bottom of that range with 202.8 hp. Its immediate neighbours are the WA380-8 below it with 194.7 hp and the WA 400-5 above it with 210.9 hp. 1159 Komatsu models across 39 series are on record. The model is listed under Wheel loaders. 15 verified figures from 1 source are on file.

Technical data

Engine

Engine modelSA6D110correct
Power202.8 hp (149.1 kW)correct
Displacement7,128.4 cm³correct
Aspirationturbochargedcorrect
Coolant capacity49.2 lcorrect

Dimensions and weights

Wheelbase3,127.2correct
Ground clearance460.2correct
Unladen weight17,140 kgcorrect

Drivetrain and chassis

Gearbox typeTORQFLOW full power shift countershaft full soft-shiftcorrect
Forward gears3correct
Reverse gears3correct
Tyre size23.5-25-12PR (L-2)correct

Working data

Fuel tank capacity303.2 lcorrect

Other data

Height3,377.2correct

Where this model stands

Power-to-weight ratio: 8.7 kW/t (149 kW / 17.1 t)

Stronger than 74% of the wheel loaders in the register — out of 1,253 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Komatsu W120-3 have?

The Komatsu W120-3 delivers 203 hp.

How much does the Komatsu W120-3 weigh?

The unladen weight is 17,140 kg.

What engine does the Komatsu W120-3 have?

7,128 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.
  • 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 15 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

W170-2

W180-1

W20-1

W260-1

W30

W40

W60

W70-3

W90-3

WA 400-5

WA100M-5

WA100M-6

Sources: [1]

Wheel loader in 3D section

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

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