Caterpillar 307D

Series: Caterpillar Midi Excavator

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The Caterpillar 307D is a model in the Caterpillar Midi Excavator series. The engine delivers 58.5 hp (41.5 kW), with a displacement of 2,830 cm³. The unladen weight is 7,075 kg. Ground clearance is 362.7 mm. The tank holds 135.1 litres. The pump delivers 272.2 l/min. The hydraulic tank holds 94.3 litres. Working pressure is 320 bar. The cooling system holds 15.9 litres. The oil fill is 12.9 litres. The engine fitted is the 4M40 TL. The Caterpillar Midi Excavator series covers 12 models. Rated output within it ranges from 41.6 to 67.5 hp; the 307D sits in the upper part of that range with 58.5 hp. Its immediate neighbours are the 308C CR below it with 55.8 hp and the 308E CR above it with 67.5 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Excavators & compaction. 14 verified figures from 1 source are on file.

Technical data

Engine

Engine model4M40 TLcorrect
Power58.5 hp (41.5 kW)correct
Displacement2,830 cm³correct
Aspirationturbochargedcorrect
Coolant capacity15.9 lcorrect
Engine oil capacity12.9 lcorrect

Dimensions and weights

Ground clearance362.7correct
Unladen weight7,075 kgcorrect

Working data

Pump flow272.2 l/mincorrect
Hydraulic oil capacity94.3 lcorrect
Hydraulic pressure320 barcorrect
Fuel tank capacity135.1 lcorrect

Other data

Height2,630.4correct

Where this model stands

Power-to-weight ratio: 5.9 kW/t (42 kW / 7.1 t)

Stronger than 12% of the excavators & compaction in the register — out of 1,666 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Caterpillar 307D have?

The Caterpillar 307D delivers 58.5 hp.

How much does the Caterpillar 307D weigh?

The unladen weight is 7,075 kg.

What engine does the Caterpillar 307D have?

2,830 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 14 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]

Excavator in 3D section

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