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Caterpillar 120G

Series: Caterpillar Motor Grader

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The 120G from Caterpillar is part of the Caterpillar Motor Grader series. The engine delivers 126.7 hp, with a displacement of 7,000.6 cm³. The wheelbase measures 5,690.6 mm. The tank holds 227.1 litres. The engine fitted is the 3,304. Tyre size: 13x24 8 PR. The Caterpillar Motor Grader series covers 37 models. Rated output within it ranges from 126.7 to 540.4 hp; the 120G sits at the bottom of that range with 126.7 hp. Its immediate neighbours are the 12G above it with 136.9 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Motor graders. 7 verified figures from 1 source are on file.

Technical data

Engine

Engine model3,304correct
Power126.7 hpcorrect
Displacement7,000.6 cm³correct

Dimensions and weights

Length7,930.9correct
Wheelbase5,690.6correct

Drivetrain and chassis

Tyre size13x24 8 PRcorrect

Working data

Fuel tank capacity227.1 lcorrect

Frequently asked questions

How much power does the Caterpillar 120G have?

The Caterpillar 120G delivers 127 hp.

What engine does the Caterpillar 120G have?

7,001 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 7 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]

Grader in 3D section

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