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Komatsu WA120-3

Series: Komatsu Wheel Loader

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

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The Komatsu WA120-3 is a model in the Komatsu Wheel Loader series. The engine delivers 63.9 hp (47 kW), has 4 cylinders, with a displacement of 4,891.5 cm³. Rated speed is 2,400 rpm. The unladen weight is 7,690 kg. The wheelbase measures 2,603 mm. Ground clearance is 390.1 mm. The tank holds 133.2 litres. The gearbox has 3 forward gears. There are also 3 reverse gears. The pump delivers 115.1 l/min. The engine fitted is the 6D95L. Tyre size: 16,9-24. The Komatsu Wheel Loader series covers 104 models. Rated output within it ranges from 29.4 to 1,738.8 hp; the WA120-3 sits at the bottom of that range with 63.9 hp. Its immediate neighbours are the WA70-6 below it with 61.1 hp and the WA85-3 above it with 65.9 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 model6D95Lcorrect
Power63.9 hp (47 kW)correct
Rated speed2,400 rpmcorrect
Cylinders4correct
Displacement4,891.5 cm³correct

Dimensions and weights

Wheelbase2,603correct
Ground clearance390.1correct
Unladen weight7,690 kgcorrect

Drivetrain and chassis

Forward gears3correct
Reverse gears3correct
Tyre size16.9-24correct

Working data

Pump flow115.1 l/mincorrect
Fuel tank capacity133.2 lcorrect

Other data

Height3,066.3correct

Where this model stands

Power-to-weight ratio: 6.1 kW/t (47 kW / 7.7 t)

Stronger than 16% 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 WA120-3 have?

The Komatsu WA120-3 delivers 63.9 hp.

How much does the Komatsu WA120-3 weigh?

The unladen weight is 7,690 kg.

What engine does the Komatsu WA120-3 have?

4 cylinders, 4,892 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

W120-3

W170-2

W180-1

W20-1

W260-1

W30

W40

W60

W70-3

W90-3

WA 400-5

WA100M-5

Sources: [1]

Wheel loader in 3D section

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

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