D21S-6 Komatsu D21S-6 Specifications & Technical Data (1988—1995)

Weight: 3.84t – Transport length: 3.49m – Transport width: 1.61m – Transport height: 2.155m – Soil pressure: 0.38kg/cm² – Track width: 300mm

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Technical specs - D21S-6 Komatsu

Specification

Notice: Every data listed is verified by LECTURA Specs team experts. However, incomplete data and mistakes might occur. Contact our team with any change suggestion.

Weight
3.84 t
Transport length
3.49 m
Transport width
1.61 m
Transport height
2.155 m
Soil pressure
0.38 kg/cm²
Track width
300 mm
Travel speed
4.4 km/h
Model series
D
Engine manuf.
Komatsu
Engine type
4D95S-W
Engine power
29.5 kW
Displacement
2.69 l
Revolutions at max torque
2450 rpm

More technical details, like: blade type, reverse travel speed, front blade width, transmission type, max. drawbar pull, dimension lxwxh, max. torque, no. of cylinders, cylinder bore x stroke, emission level are available in the full technical specs.

Basic model with ROPS cabin and corresponding blade

Special equipment

Diesel particulate filter
No
Rear ripper
No
Tilt device
No
Aircondition
No

Download datasheets (PDF)

Komatsu D21S-6 FAQ

When was the Komatsu D21S-6 manufactured?

The Komatsu D21S-6 was manufactured from 1988 to 1995.

How much does the Komatsu D21S-6 weigh?

The Komatsu D21S-6 weighs 3.84 tons.

What are the transport dimensions of the Komatsu D21S-6 bulldozer?

The Komatsu D21S-6 bulldozer has a transport length of 3.49 meters, a transport width of 1.61 meters, and a transport height of 2.16 meters.

What is the travel speed of the Komatsu D21S-6 bulldozer?

The Komatsu D21S-6 bulldozer has a travel speed of 4.4 km/h.

What are the undercarriage specifications of the Komatsu D21S-6 bulldozer?

The Komatsu D21S-6 bulldozer has a track width of 300 mm and a soil pressure of 0.38 kg/cmu00b2.

How much is a Komatsu D21S-6 Bulldozer (1988u20131995) worth?

The residual value of the Komatsu D21S-6 depends on the machine's individual parameters. Visit the LECTURA Valuation to check it.

Events

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NordBau 2026

Holstenhallen Neumünster, Germany

September
NordBau 2026

Machine inspection

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Machine inspection

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Use this service to minimise the risk when buying used equipment. An inspection by Mevas costs less than repairing a defective hydraulic cylinder.

Provided by: Mevas — The Heavy Equipment Inspectors

Spare parts & Components

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Spare parts

Do your lookup for high quality parts for Komatsu D21S-6 online!
With a few, easy steps, you will find generic and genuine parts and replacements in well-catalogued lists. Wether you are dealer or an owner, LECTURA can lead you to the right direction.
Check the best offers from our partners and order the Bulldozers spare parts easily today - worldwide.

Transport

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In case you look for a transport your machine, utilise our services. Examine the most appropriate transport quotes for Bulldozers built on transport dimensions and machine weight. Our partners provide extensive options to satisfy your demands.

Data provided by Lectura logo

News

Construction News by LECTURA 20.06.2026