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Komatsu WA800-3

Series: Komatsu Wheel Loader

Source: https://www.komatsu.eu/en/product-archive/wheel-loaders/wa80

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The Komatsu Wheel Loader series from Komatsu includes the WA800-3. The engine delivers 864.8 hp (602.5 kW), has 12 cylinders, with a displacement of 30,496.3 cm³. Rated speed is 2,000 rpm. The unladen weight is 101,130.7 kg. The wheelbase measures 5,465.1 mm. Ground clearance is 557.8 mm. The tank holds 1,425.2 litres. The gearbox has 3 forward gears. There are also 3 reverse gears. The pump delivers 405 l/min. The hydraulic tank holds 724.9 litres. The cooling system holds 319.1 litres. The electrical system runs on 24 V. The engine fitted is the SAA12V140ZE-2. Tyre size: 45/65-45-46. The Komatsu Wheel Loader series covers 104 models. Rated output within it ranges from 29.4 to 1,738.8 hp; the WA800-3 sits in the middle of that range with 864.8 hp. Its immediate neighbours are the WA700-3 With AJSS below it with 693.5 hp and the WA900-3 above it with 909.4 hp. 1159 Komatsu models across 39 series are on record. The model is listed under Wheel loaders. 20 verified figures from 1 source are on file.

Technical data

Engine

Engine modelSAA12V140ZE-2correct
Power864.8 hp (602.5 kW)correct
Rated speed2,000 rpmcorrect
Cylinders12correct
Displacement30,496.3 cm³correct
AspirationTurbocharged and Aftercooledcorrect
Coolant capacity319.1 lcorrect

Dimensions and weights

Wheelbase5,465.1correct
Ground clearance557.8correct
Unladen weight101,130.7 kgcorrect

Drivetrain and chassis

Gearbox typeFull-powershift transmissioncorrect
Forward gears3correct
Reverse gears3correct
Tyre size45/65-45-46correct
System voltage24 Vcorrect

Working data

Pump flow405 l/mincorrect
Hydraulic oil capacity724.9 lcorrect
Fuel tank capacity1,425.2 lcorrect

Other data

Height5,282.2correct

Where this model stands

Power-to-weight ratio: 6 kW/t (602 kW / 101.1 t)

Stronger than 99% 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 WA800-3 have?

The Komatsu WA800-3 delivers 865 hp.

How much does the Komatsu WA800-3 weigh?

The unladen weight is 101,131 kg.

What engine does the Komatsu WA800-3 have?

12 cylinders, 30,496 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 20 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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