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Komatsu GD655-3

Series: Komatsu Motor Grader

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

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The Komatsu Motor Grader series from Komatsu includes the GD655-3. The engine delivers 202.8 hp, has 6 cylinders, with a displacement of 8,275.5 cm³. Rated speed is 1,900 rpm. The machine is 10,287 mm long. The wheelbase measures 6,074.7 mm. The tank holds 340.3 litres. Maximum torque is reached at 1,400 rpm. The hydraulic tank holds 99.9 litres. Working pressure is 206.8 bar. The cooling system holds 39.4 litres. The electrical system runs on 24 V. The engine fitted is the SAA6D114E-3. Tyre size: low pressure. tubeless. 17,5R25. The Komatsu Motor Grader series covers 36 models. Rated output within it ranges from 76 to 283.9 hp; the GD655-3 sits in the upper part of that range with 202.8 hp. Its immediate neighbours are the GD705A-4 below it with 202.7 hp and the GD670A-2C above it with 206.7 hp. 1159 Komatsu models across 39 series are on record. The model is listed under Motor graders. 16 verified figures from 1 source are on file.

Technical data

Engine

Engine modelSAA6D114E-3correct
Power202.8 hpcorrect
Rated speed1,900 rpmcorrect
Speed at max. torque1,400 rpmcorrect
Cylinders6correct
Displacement8,275.5 cm³correct
AspirationTurbocharged and air-to-air aftercooledcorrect
Coolant capacity39.4 lcorrect

Dimensions and weights

Length10,287correct
Wheelbase6,074.7correct

Drivetrain and chassis

Gearbox typeFull power shift transmissioncorrect
Tyre sizelow pressure, tubeless, 17.5R25correct
Turning radius6,920 mmcorrect
System voltage24 Vcorrect

Working data

Hydraulic oil capacity99.9 lcorrect
Hydraulic pressure206.8correct
Fuel tank capacity340.3 lcorrect

More machines with this engine (Komatsu SAA6D114E-3, 15)

Frequently asked questions

How much power does the Komatsu GD655-3 have?

The Komatsu GD655-3 delivers 203 hp.

What engine does the Komatsu GD655-3 have?

6 cylinders, 8,276 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.
  • 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 17 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

GD200A-1

GD300A-1

GD305A-3

GD31RC-3A

GD405A-1

GD500R-2

GD505A-2

GD505R-2

GD510R-1

GD511A-1

GD521A-1

GD530A-2C

Sources: [1]

Grader in 3D section

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

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