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Komatsu GD825A-2

Series: Komatsu Motor Grader

Source: https://www.komatsu.eu/en/excavators/mining-excavators/pc700

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The Komatsu GD825A-2 belongs to the Komatsu Motor Grader series. The engine delivers 283.9 hp, has 6 cylinders, with a displacement of 5,883 cm³. Rated speed is 2,100 rpm. The unladen weight is 26,421.8 kg. The wheelbase measures 7,132.3 mm. Ground clearance is 701 mm. The tank holds 500.1 litres. The hydraulic tank holds 79.9 litres. Working pressure is 245.5 bar. The cooling system holds 57.9 litres. The electrical system runs on 24 V. The engine fitted is the S6D140E. Tyre size: 23,5 X 25-12PR (L3) tires. The Komatsu Motor Grader series covers 36 models. Rated output within it ranges from 76 to 283.9 hp; the GD825A-2 sits at the top of that range with 283.9 hp. Its immediate neighbours are the GD655-5 below it with 224.4 hp. 1159 Komatsu models across 39 series are on record. The model is listed under Motor graders. 17 verified figures from 1 source are on file.

Technical data

Engine

Engine modelS6D140Ecorrect
Power283.9 hpcorrect
Rated speed2,100 rpmcorrect
Cylinders6correct
Displacement5,883 cm³correct
AspirationTurbocharged Diesel enginecorrect
Coolant capacity57.9 lcorrect

Dimensions and weights

Length10,012.7correct
Wheelbase7,132.3correct
Ground clearance701correct
Unladen weight26,421.8 kgcorrect

Drivetrain and chassis

Gearbox typekomatsu HYDROSHIFT Transmissioncorrect
Tyre size23.5 X 25-12PR (L3) tirescorrect
System voltage24 Vcorrect

Working data

Hydraulic oil capacity79.9 lcorrect
Hydraulic pressure245.5correct
Fuel tank capacity500.1 lcorrect

Where this model stands

Power-to-weight ratio: 7.9 kW/t (209 kW / 26.4 t)

Stronger than 97% of the motor graders in the register — out of 186 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Komatsu GD825A-2 have?

The Komatsu GD825A-2 delivers 284 hp.

How much does the Komatsu GD825A-2 weigh?

The unladen weight is 26,422 kg.

What engine does the Komatsu GD825A-2 have?

6 cylinders, 5,883 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 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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