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Caterpillar 904B

Series: Caterpillar Wheel Loader

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

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The 904B from Caterpillar is part of the Caterpillar Wheel Loader series. The engine delivers 55.8 hp (38.8 kW). The unladen weight is 4,449.7 kg. The wheelbase measures 661.4 mm. The tank holds 83.3 litres. The gearbox has 2 forward gears. There are also 2 reverse gears. The pump delivers 83.3 l/min. The hydraulic tank holds 41.6 litres. The cooling system holds 7.6 litres. The electrical system runs on 12 V. The engine fitted is the S4Q2 Turbo. Tyre size: 12,5-18. The Caterpillar Wheel Loader series covers 78 models. Rated output within it ranges from 42.6 to 1,598.9 hp; the 904B sits at the bottom of that range with 55.8 hp. Its immediate neighbours are the 902 below it with 48.7 hp and the 906H above it with 75 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Wheel loaders. 16 verified figures from 1 source are on file.

Technical data

Engine

Engine modelS4Q2 Turbocorrect
Power55.8 hp (38.8 kW)correct
Aspirationturbochargedcorrect
Coolant capacity7.6 lcorrect

Dimensions and weights

Wheelbase661.4correct
Unladen weight4,449.7 kgcorrect

Drivetrain and chassis

Gearbox typeClosed-loop, two-speed hydrostatic transmission single-path transmission.correct
Forward gears2correct
Reverse gears2correct
Tyre size12.5-18correct
System voltage12 Vcorrect

Working data

Pump flow83.3 l/mincorrect
Hydraulic oil capacity41.6 lcorrect
Fuel tank capacity83.3 lcorrect

Other data

Height2,386.6correct

Where this model stands

Power-to-weight ratio: 8.7 kW/t (39 kW / 4.4 t)

Stronger than 9% of the wheel loaders in the register — out of 1,253 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Caterpillar 904B have?

The Caterpillar 904B delivers 55.8 hp.

How much does the Caterpillar 904B weigh?

The unladen weight is 4,450 kg.

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 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

902

903C

904H

906

906H

906H2

908

908H

910

910E

914G

916

Sources: [1]

Wheel loader in 3D section

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

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