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Komatsu PC20R-8

Series: Komatsu Mini Excavator

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The Komatsu PC20R-8 belongs to the Komatsu Mini Excavator series. The engine delivers 27.1 hp (17.4 kW), has 3 cylinders, with a displacement of 1,204.4 cm³. Torque is 72.5 Nm. Rated speed is 2,600 rpm. The unladen weight is 2,535 kg. The tank holds 35.2 litres. Maximum torque is reached at 1,600 rpm. The pump delivers 59.8 l/min. The hydraulic tank holds 29.1 litres. Working pressure is 210 bar. The cooling system holds 4.2 litres. The oil fill is 3.8 litres. The electrical system runs on 12 V. The engine fitted is the 3D78AE-3FA. The Komatsu Mini Excavator series covers 27 models. Rated output within it ranges from 3.5 to 73.5 hp; the PC20R-8 sits in the lower part of that range with 27.1 hp. Its immediate neighbours are the PC30-1 below it with 26.6 hp and the PC30MRX-1 above it with 28.1 hp. 1159 Komatsu models across 39 series are on record. The model is listed under Excavators & compaction. 18 verified figures from 1 source are on file.

Technical data

Engine

Engine model3D78AE-3FAcorrect
Power27.1 hp (17.4 kW)correct
Rated speed2,600 rpmcorrect
Torque72.5correct
Speed at max. torque1,600 rpmcorrect
Cylinders3correct
Displacement1,204.4 cm³correct
AspirationNaturalcorrect
Coolant capacity4.2 lcorrect
Engine oil capacity3.8 lcorrect

Dimensions and weights

Unladen weight2,535 kgcorrect

Drivetrain and chassis

System voltage12 Vcorrect

Working data

Pump flow59.8 l/mincorrect
Hydraulic oil capacity29.1 lcorrect
Hydraulic pressure210 barcorrect
Fuel tank capacity35.2 lcorrect

Other data

Height2,447.5correct

Where this model stands

Power-to-weight ratio: 6.9 kW/t (17 kW / 2.5 t)

Stronger than 48% of the mini excavators in the register — out of 400 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Komatsu PC20R-8 have?

The Komatsu PC20R-8 delivers 27.1 hp.

How much does the Komatsu PC20R-8 weigh?

The unladen weight is 2,535 kg.

What engine does the Komatsu PC20R-8 have?

3 cylinders, 1,204 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.
  • 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 18 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

Sources: [1]

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