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Caterpillar D3C LGP Series III Crawler

Series: D3C

Source: https://www.ritchielist.com/construction/dozers-crawler-doze

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The Caterpillar D3C LGP Series III is a model in the Caterpillar Crawler Tractor series. The engine delivers 79.1 hp (52.9 kW), has 6 cylinders, with a displacement of 4,998.1 cm³. Rated speed is 2,400 rpm. The unladen weight is 7,639.4 kg. Ground clearance is 301.8 mm. The tank holds 121.1 litres. The gearbox has 3 forward gears. There are also 3 reverse gears. The pump delivers 54.1 l/min. Working pressure is 172.4 bar. The cooling system holds 9.1 litres. The oil fill is 13.2 litres. The electrical system runs on 12 V. The engine fitted is the Cat 3046. The Caterpillar Crawler Tractor series covers 152 models. Rated output within it ranges from 48.7 to 948 hp; the D3C LGP Series III sits at the bottom of that range with 79.1 hp. Its immediate neighbours are the D3G XL below it with 78.1 hp and the D4C LGP Series II above it with 81.1 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Mining equipment. 19 verified figures from 1 source are on file.

Technical data

Engine

Engine modelCat 3046correct
Power79.1 hp (52.9 kW)correct
Rated speed2,400 rpmcorrect
Cylinders6correct
Displacement4,998.1 cm³correct
AspirationNaturalcorrect
Coolant capacity9.1 lcorrect
Engine oil capacity13.2 lcorrect

Dimensions and weights

Ground clearance301.8correct
Unladen weight7,639.4 kgcorrect

Drivetrain and chassis

Gearbox typepowershift transmissioncorrect
Forward gears3correct
Reverse gears3correct
System voltage12 Vcorrect

Working data

Pump flow54.1 l/mincorrect
Hydraulic pressure172.4correct
Fuel tank capacity121.1 lcorrect

Other data

Height2,667correct

Where this model stands

Power-to-weight ratio: 6.9 kW/t (53 kW / 7.6 t)

Stronger than 14% of the mining equipment in the register — out of 945 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Caterpillar D3C LGP Series III have?

The Caterpillar D3C LGP Series III delivers 79.1 hp.

How much does the Caterpillar D3C LGP Series III weigh?

The unladen weight is 7,639 kg.

What engine does the Caterpillar D3C LGP Series III have?

6 cylinders, 4,998 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 19 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

D3C LGP Series II

Crawler

D3C LGP-S Series II

Crawler

D3C Series II

Crawler

D3C Series III

Crawler

D3C XL Series III

Crawler

Sources: [1]

Dump truck in 3D section

Turn the model, look inside and click an assembly — each one is explained.

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