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Komatsu WB142-5

Series: Komatsu Loader Backhoe

Source: https://www.komatsu.eu/de/radlader/radlader

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With the WB142-5, Komatsu offers a model from the Komatsu Loader Backhoe series. The engine delivers 81.6 hp (57 kW), has 4 cylinders, with a displacement of 4,506.4 cm³. Rated speed is 2,200 rpm. The wheelbase measures 2,176.3 mm. Ground clearance is 381 mm. The tank holds 120.4 litres. The gearbox has 4 forward gears. There are also 4 reverse gears. Maximum torque is reached at 1,300 rpm. The pump delivers 140.1 l/min. The hydraulic tank holds 97.3 litres. Working pressure is 207 bar. The cooling system holds 14 litres. The electrical system runs on 12 V. The engine fitted is the 4D102LE-2. The Komatsu Loader Backhoe series covers 16 models. Rated output within it ranges from 26.6 to 114.6 hp; the WB142-5 sits in the upper part of that range with 81.6 hp. Its immediate neighbours are the WA30-1 below it with 26.6 hp and the WB91R-2 above it with 92.1 hp. 1159 Komatsu models across 39 series are on record. The model is listed under Wheel loaders. 19 verified figures from 1 source are on file.

Technical data

Engine

Engine model4D102LE-2correct
Power81.6 hp (57 kW)correct
Rated speed2,200 rpmcorrect
Speed at max. torque1,300 rpmcorrect
Cylinders4correct
Displacement4,506.4 cm³correct
Aspirationnaturally aspiratedcorrect
Coolant capacity14 lcorrect

Dimensions and weights

Wheelbase2,176.3correct
Ground clearance381correct

Drivetrain and chassis

Gearbox typesynchromesh gearbox gearbox, powershift transmission shuttlecorrect
Forward gears4correct
Reverse gears4correct
System voltage12 Vcorrect

Working data

Pump flow140.1 l/mincorrect
Hydraulic oil capacity97.3 lcorrect
Hydraulic pressure207correct
Fuel tank capacity120.4 lcorrect

Frequently asked questions

How much power does the Komatsu WB142-5 have?

The Komatsu WB142-5 delivers 81.6 hp.

What engine does the Komatsu WB142-5 have?

4 cylinders, 4,506 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.
  • 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 19 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

WA30-1

WB140-2N

WB146-5

WB146PS-5

WB150-2N

WB150AWS-2N

WB156-5

WB156PS-5

WB70A-1

WB91R-2

WB93R-2

WB93R-5

Sources: [1]

Wheeled excavator in 3D section

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