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Caterpillar 631G

Series: Caterpillar Motor Scraper

Source: https://www.lectura-specs.com/en/model/construction-machiner

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The 631G from Caterpillar is part of the Caterpillar Motor Scraper series. The engine delivers 522.1 hp (384 kW), with a displacement of 18,009.4 cm³. The machine is 3,938 mm wide. The unladen weight is 46,475.1 kg. The wheelbase measures 8,769.1 mm. The tank holds 814.2 litres. The gearbox has 8 forward gears. There are also 1 reverse gears. The hydraulic tank holds 190 litres. The cooling system holds 121.1 litres. The electrical system runs on 24 V. Tyre size: 37,50-R35. The Caterpillar Motor Scraper series covers 29 models. Rated output within it ranges from 189.6 to 557.6 hp; the 631G sits at the top of that range with 522.1 hp. Its immediate neighbours are the 631E Series II below it with 496.8 hp and the 651E above it with 557.6 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Mining equipment. 16 verified figures from 1 source are on file.

Technical data

Engine

Power522.1 hp (384 kW)correct
Displacement18,009.4 cm³correct
Coolant capacity121.1 lcorrect

Dimensions and weights

Length14,563.3correct
Width3,938correct
Wheelbase8,769.1correct
Unladen weight46,475.1 kgcorrect

Drivetrain and chassis

Gearbox type8-speed automatic gearbox powershift transmission with Electronic Controlcorrect
Forward gears8correct
Reverse gears1correct
Tyre size37.50-R35correct
System voltage24 Vcorrect

Working data

Hydraulic oil capacity190 lcorrect
Fuel tank capacity814.2 lcorrect

Other data

Height3,715.5correct

Where this model stands

Power-to-weight ratio: 8.3 kW/t (384 kW / 46.5 t)

Stronger than 87% of the scrapers in the register — out of 46 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Caterpillar 631G have?

The Caterpillar 631G delivers 522 hp.

How much does the Caterpillar 631G weigh?

The unladen weight is 46,475 kg.

What engine does the Caterpillar 631G have?

18,009 cm³ displacement.

What are the dimensions of the Caterpillar 631G?

14,563 mm × 3,938 mm.

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 16 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

613B

621B

621E

621G

621S

623B

623G

623H

627B

627E

627F

627G

Sources: [1]

Dump truck in 3D section

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