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Caterpillar 120H ES

Series: Caterpillar Motor Grader

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The Caterpillar Motor Grader series from Caterpillar includes the 120H ES. The engine delivers 141.9 hp, with a displacement of 6,600.7 cm³. The wheelbase measures 5,870.4 mm. The tank holds 284.3 litres. The hydraulic tank holds 68.1 litres. Working pressure is 241.3 bar. The electrical system runs on 24 V. The engine fitted is the 3116 DITA. Tyre size: 12-24 10PR (G-2). The Caterpillar Motor Grader series covers 37 models. Rated output within it ranges from 126.7 to 540.4 hp; the 120H ES sits at the bottom of that range with 141.9 hp. Its immediate neighbours are the 120M below it with 139.9 hp and the 140G above it with 152.1 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Motor graders. 10 verified figures from 1 source are on file.

Technical data

Engine

Engine model3116 DITAcorrect
Power141.9 hpcorrect
Displacement6,600.7 cm³correct

Dimensions and weights

Length8,260.1correct
Wheelbase5,870.4correct

Drivetrain and chassis

Tyre size12-24 10PR (G-2)correct
System voltage24 Vcorrect

Working data

Hydraulic oil capacity68.1 lcorrect
Hydraulic pressure241.3correct
Fuel tank capacity284.3 lcorrect

Frequently asked questions

How much power does the Caterpillar 120H ES have?

The Caterpillar 120H ES delivers 142 hp.

What engine does the Caterpillar 120H ES have?

6,601 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 10 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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