Caterpillar 385B

Series: Caterpillar Hydraulic Excavator

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The Caterpillar Hydraulic Excavator series from Caterpillar includes the 385B. The engine delivers 537.4 hp (395.2 kW), with a displacement of 15,797.1 cm³. Rated speed is 1,800 rpm. The unladen weight is 84,130 kg. Ground clearance is 890 mm. The tank holds 1,240.1 litres. The pump delivers 980 l/min. The hydraulic tank holds 995.2 litres. Working pressure is 320 bar. The cooling system holds 101.1 litres. The oil fill is 65.1 litres. The engine fitted is the Caterpillar 3456 ATAAC. The Caterpillar Hydraulic Excavator series covers 134 models. Rated output within it ranges from 42.5 to 1,490.4 hp; the 385B sits in the lower part of that range with 537.4 hp. Its immediate neighbours are the 374F L below it with 478.5 hp and the 385C FS above it with 560.7 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 modelCaterpillar 3456 ATAACcorrect
Power537.4 hp (395.2 kW)correct
Rated speed1,800 rpmcorrect
Displacement15,797.1 cm³correct
Coolant capacity101.1 lcorrect
Engine oil capacity65.1 lcorrect

Dimensions and weights

Ground clearance890correct
Unladen weight84,130 kgcorrect

Working data

Pump flow980 l/mincorrect
Hydraulic oil capacity995.2 lcorrect
Hydraulic pressure320 barcorrect
Fuel tank capacity1,240.1 lcorrect

Other data

Cab height3,761.2correct

Where this model stands

Power-to-weight ratio: 4.7 kW/t (395 kW / 84.1 t)

Stronger than 95% 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 385B have?

The Caterpillar 385B delivers 537 hp.

How much does the Caterpillar 385B weigh?

The unladen weight is 84,130 kg.

What engine does the Caterpillar 385B have?

15,797 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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