Komatsu D31P-20AE Crawler Dozer Specs

Category: Crawler Dozers ➔
Manufacturer: Komatsu ➔
Model: D31P-20AE ➔

The Komatsu D31P-20AE Crawler Dozer offers exceptional power and performance for a wide range of applications. With a gross power of 71 hp and an operating weight of 15278.1 lbs, this reliable machine is equipped with a durable undercarriage featuring 6 track rollers per side and a track gauge of 5.5 ft. Its standard blade width of 9.5 ft and height of 31.2 in make it ideal for various earthmoving tasks. The efficient S4D102E-1-A engine with 4 cylinders ensures smooth operation, while the transmission with 3 forward and reverse gears allows for enhanced control. Consider the Komatsu D31P-20AE for your next project's heavy-duty requirements.

Dimensions

Komatsu D31P-20AE Crawler Dozer Dimensions specifications
Ground Clearance	1.30 ft (0.40 m)
Height - Top of Cab	9.00 ft (2.74 m)
Length of Track on Ground	7.20 ft (2.19 m)
Length w/ Blade	13.00 ft (3.96 m)
Length w/o Blade	10.00 ft (3.05 m)
Width Over Tracks	7.40 ft (2.26 m)

Engine

Komatsu D31P-20AE Crawler Dozer Engine specifications
Displacement	239.30 cu in (3,921.43 cu cm)
Engine Model	S4D102E-1-A
Gross Power	71.00 hp (52.95 kw)
Number of Cylinders	4
Power Measured @	2350 rpm

Operating Specifications

Komatsu D31P-20AE Crawler Dozer Operating Specifications specifications
Operating Weight	15,278.10 lbs (6,930.04 kg)

Standard Blade

Komatsu D31P-20AE Crawler Dozer Standard Blade specifications
Height	31.20 in (79.25 cm)
Width	9.50 ft (2.90 m)

Transmission

Komatsu D31P-20AE Crawler Dozer Transmission specifications
Number of Forward Gears	3
Number of Reverse Gears	3
Transmission Type	HS

Undercarriage

Komatsu D31P-20AE Crawler Dozer Undercarriage specifications
Number of Track Rollers per Side	6
Standard Shoe Size	23.70 in (60.20 cm)
Track Gauge	5.50 ft (1.68 m)
Track Pitch	6.10 in (15.49 cm)

Our Main Office

Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200

About Us

Construction Equipment Guide covers the nation with its four regional newspapers, offering construction and industry news and information along with new and used construction equipment for sale from dealers in your area. Now we extend those services and information to the internet. Making it as easy as possible to find the news and equipment that you need and want.

Contents Copyrighted 2026, by Construction Equipment Guide, which is a Registered Trademark, registered in the U.S. Patent Office. Registration number 0957323. All rights reserved, nothing may be reprinted or reproduced (including framing) in whole or part without written permission from the publisher. All editorial material, photographs, drawings, letters, and other material will be treated as unconditionally assigned for publication and copyright purposes and are subject to Construction Equipment Guide’s unrestricted right to edit and comment editorially. Contributor articles do not necessarily reflect the policy or opinions of this publication.

Read our privacy policy here.
Mastodon