D31S-18 Komatsu D31S-18 Specifications & Technical Data (1989—1996)

Weight: 6.67t – Transport length: 4.09m – Transport width: 1.905m – Transport height: 2.54m – Soil pressure: 0.54kg/cm² – Track width: 330mm

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Technical specs - D31S-18 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
6.67 t
Transport length
4.09 m
Transport width
1.905 m
Transport height
2.54 m
Soil pressure
0.54 kg/cm²
Track width
330 mm
Travel speed
6.5 km/h
Model series
D
Engine manuf.
Komatsu
Engine type
6D95L
Engine power
52 kW
Displacement
4.89 l
Revolutions at max torque
2350 rpm
Max. torque
261 Nm
No. of cylinders
6
Cylinder bore x stroke
95x115 mm

More technical details, like: blade type, reverse travel speed, front blade width, transmission type, max. drawbar pull, dimension lxwxh, 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 D31S-18 FAQ

When was the Komatsu D31S-18 manufactured?

The Komatsu D31S-18 was manufactured from 1989 to 1996.

How much does the Komatsu D31S-18 bulldozer weigh?

The Komatsu D31S-18 bulldozer weighs 6.67 tons.

What are the transport dimensions of the Komatsu D31S-18 bulldozer?

The Komatsu D31S-18 bulldozer has a transport length of 4.09 meters, a transport width of 1.91 meters, and a transport height of 2.54 meters.

What is the travel speed of the Komatsu D31S-18 bulldozer?

The Komatsu D31S-18 bulldozer has a travel speed of 6.5 km/h.

What are the undercarriage specifications of the Komatsu D31S-18 bulldozer?

The Komatsu D31S-18 bulldozer has a track width of 330 mm and a soil pressure of 0.54 kg/cmu00b2.

How much is a Komatsu D31S-18 Bulldozer (1989u20131996) worth?

The residual value of the Komatsu D31S-18 depends on the machine's individual parameters. Visit the LECTURA Valuation to check it.

Komatsu D31S-18 overview

Power train

Komatsu Vanguard Series

For versatile operation and superior productivity Easy-to-start, rugged, low-noise Komatsu 6D95L engine. Large bucket digging force and wide tilt angle for versatility. Inching pedal enables precise movement in tight quarters and surer approaches to objects. Steering clutch with modulating valve enables smooth turns and dozing. Fuel economy Fuel-economy engine and power-efficient HYDROSHIFT transmission boost operating economy. Operator-oriented design for easy operation With a flick of a single HYDROSHIFT transmission lever, speed changes (F3/R3) can be instantly made. Light-touch steering pedal reduced operator fatigue for maximum productivity. Fuel-related troubles are minimized thanks to the fuel caution lamp and automatic air bleeding mechanism. Simplified maintenance Spin-on filter, air cleaner with evacuator and easy-to-drain fuel tank greatly minimize maintenance.


Operator's cab

Controls

Operator-oriented arrangement of control levers, pedals, instruments and operator's seat. Single shift lever. Hydraulically boosted steering pedals. Suspended type pedals eliminate gaps in the floor, reducing noise leakage. Color-coded meters and gauges with universal symbols. Padded, fore/aft adjustable operator seat. Oil-suspension seat is optionally available.


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

Buy & Rent

Compare Komatsu D31S-18 with similar Bulldozers

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Komatsu D31S-18

Weight:
6.67 t
Transport length:
4.09 m
Transport width:
1.905 m
Transport height:
2.54 m
Caterpillar D 4 G

Caterpillar D 4 G

Weight:
7.9 t
Transport length:
4.04 m
Transport width:
1.96 m
Transport height:
2.77 m

Spare parts & Components

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Spare parts

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Transport

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News

Construction News by LECTURA 06.06.2026