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Komatsu D21A-8E0 Crawler

Series: Other models

Source: https://www.truck1.eu/spare-parts/engine-and-parts/komatsu

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The Komatsu D21A-8E0 belongs to the Komatsu Crawler Tractor series. The engine delivers 43.9 hp (32.3 kW), has 4 cylinders, with a displacement of 3,048 cm³. The engine comes from Komatsu. Torque is 174.1 Nm. Rated speed is 2,450 rpm. The unladen weight is 3,710 kg. Ground clearance is 356.6 mm. The tank holds 60.2 litres. The gearbox has 2 forward gears. There are also 2 reverse gears. Maximum torque is reached at 1,300 rpm. The cooling system holds 10.2 litres. The oil fill is 6.8 litres. The engine fitted is the 4D94LE-2. The Komatsu Crawler Tractor series covers 265 models. Rated output within it ranges from 35.5 to 4,126.5 hp; the D21A-8E0 sits at the bottom of that range with 43.9 hp. Its immediate neighbours are the D21P-8 below it with 43.7 hp and the D31A-16 above it with 63.9 hp. 1159 Komatsu models across 39 series are on record. The model is listed under Mining equipment. 17 verified figures from 1 source are on file.

Technical data

Engine

Engine makeKomatsucorrect
Engine model4D94LE-2correct
Power43.9 hp (32.3 kW)correct
Rated speed2,450 rpmcorrect
Torque174.1correct
Speed at max. torque1,300 rpmcorrect
Cylinders4correct
Displacement3,048 cm³correct
Coolant capacity10.2 lcorrect
Engine oil capacity6.8 lcorrect

Dimensions and weights

Ground clearance356.6correct
Unladen weight3,710 kgcorrect

Drivetrain and chassis

Forward gears2correct
Reverse gears2correct

Working data

Fuel tank capacity60.2 lcorrect

Other data

Height1,786.1correct

Where this model stands

Power-to-weight ratio: 8.7 kW/t (32 kW / 3.7 t)

Stronger than 9% 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 Komatsu D21A-8E0 have?

The Komatsu D21A-8E0 delivers 43.9 hp.

How much does the Komatsu D21A-8E0 weigh?

The unladen weight is 3,710 kg.

What engine does the Komatsu D21A-8E0 have?

4 cylinders, 3,048 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 17 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

02ESV36

02ESV56

02ESV60

12CM12

12CM15

12CM27

12HM series

14CM09CC

14CM10

14CM15

14CM15B

14CM15C

Sources: [1]

Dump truck in 3D section

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