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Komatsu WB146PS-5

Series: Komatsu Loader Backhoe

Source: https://www.komatsu.com/zh-cn

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The Komatsu Loader Backhoe series from Komatsu includes the WB146PS-5. The engine delivers 93.9 hp (66.1 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 432.8 mm. The tank holds 150.3 litres. The gearbox has 4 forward gears. There are also 3 reverse gears. Maximum torque is reached at 1,500 rpm. The pump delivers 165 l/min. The hydraulic tank holds 97.3 litres. Working pressure is 245 bar. The cooling system holds 14 litres. The electrical system runs on 12 V. The engine fitted is the S4D102LE-2. The Komatsu Loader Backhoe series covers 16 models. Rated output within it ranges from 26.6 to 114.6 hp; the WB146PS-5 sits in the upper part of that range with 93.9 hp. Its immediate neighbours are the WB91R-2 below it with 92.1 hp and the WB140-2N above it with 94.3 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 modelS4D102LE-2correct
Power93.9 hp (66.1 kW)correct
Rated speed2,200 rpmcorrect
Speed at max. torque1,500 rpmcorrect
Cylinders4correct
Displacement4,506.4 cm³correct
Aspirationturbochargedcorrect
Coolant capacity14 lcorrect

Dimensions and weights

Wheelbase2,176.3correct
Ground clearance432.8correct

Drivetrain and chassis

Gearbox typefull power shift, gearscorrect
Forward gears4correct
Reverse gears3correct
System voltage12 Vcorrect

Working data

Pump flow165 l/mincorrect
Hydraulic oil capacity97.3 lcorrect
Hydraulic pressure245correct
Fuel tank capacity150.3 lcorrect

Frequently asked questions

How much power does the Komatsu WB146PS-5 have?

The Komatsu WB146PS-5 delivers 93.9 hp.

What engine does the Komatsu WB146PS-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

WB142-5

WB146-5

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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