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Caterpillar 621B

Series: Caterpillar Motor Scraper

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The Caterpillar 621B belongs to the Caterpillar Motor Scraper series. The engine delivers 246.1 kW, with a displacement of 14,600.9 cm³. Rated speed is 1,900 rpm. The machine is 12,701 mm long. The wheelbase measures 7,720.6 mm. The tank holds 511 litres. The gearbox has 8 forward gears. Tyre size: 29,5-29 28PR (E-3). The Caterpillar Motor Scraper series covers 29 models. Rated output within it ranges from 111.9 to 471.3 kW; the 621B sits in the lower part of that range with 246.1 kW. Its immediate neighbours are the 627F below it with 243.8 kW and the 621G above it with 272.2 kW. 1091 Caterpillar models across 47 series are on record. The model is listed under Mining equipment. 9 verified figures from 1 source are on file.

Technical data

Engine

Power246.1 kWcorrect
Rated speed1,900 rpmcorrect
Displacement14,600.9 cm³correct

Dimensions and weights

Length12,701correct
Width3,450.3correct
Wheelbase7,720.6correct

Drivetrain and chassis

Forward gears8correct
Tyre size29.5-29 28PR (E-3)correct

Working data

Fuel tank capacity511 lcorrect

Frequently asked questions

How much power does the Caterpillar 621B have?

The Caterpillar 621B delivers 246 kW.

What engine does the Caterpillar 621B have?

14,601 cm³ displacement.

What are the dimensions of the Caterpillar 621B?

12,701 mm × 3,450 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.
  • 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 9 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]

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