Komatsu GD625A-1 Motor Grader Specs

Category: Motor Graders ➔
Manufacturer: Komatsu ➔
Model: GD625A-1 ➔

The Komatsu GD625A-1 Motor Grader is a powerful and reliable machine designed for grading and shaping roads and surfaces with precision. With a blade base of 8.6 ft and ample ground clearance, this motor grader offers exceptional maneuverability and stability. Equipped with a 155.6 hp engine and a moldboard width of 12.1 ft, it provides superior performance and efficiency for various grading tasks. The GD625A-1 features a comfortable Isomount Cab, ensuring operator comfort and control during long hours of operation. With a top speed of 28 mph and sturdy construction, this motor grader is a valuable asset for any construction or road maintenance project.

Dimensions

Komatsu GD625A-1 Motor Grader Dimensions specifications
Blade Base	8.54 ft (2.60 m)
Height To Top Of Isomount Cab	10.85 ft (3.31 m)
Overall Length	27.89 ft (8.50 m)
Rear Ground Clearance	1.17 ft (0.36 m)
Tandem Axle Wheelbase	5.04 ft (1.54 m)
Wheelbase	19.69 ft (6.00 m)
Width Over Tires	7.86 ft (2.40 m)

Engine

Komatsu GD625A-1 Motor Grader Engine specifications
Displacement	674.40 cu in (11,051.46 cu cm)
Engine Make	2238
Engine Model	6D125
Max Power	155.60 hp (116.03 kw)
Net Power Gear 5-6	155.60 hp (116.03 kw)
Number Of Cylinders	6
Power Measured @	2200 rpm

Front Axle

Komatsu GD625A-1 Motor Grader Front Axle specifications
Ground Clearance	1.20 ft (0.37 m)

Moldboard

Komatsu GD625A-1 Motor Grader Moldboard specifications
Moldboard Height	25.40 in (64.52 cm)
Moldboard Width	12.10 ft (3.69 m)

Operational

Komatsu GD625A-1 Motor Grader Operational specifications
Fuel Capacity	75.30 gal (285.01 l)
Std Operation Weight - Total	30,203.40 lbs (13,697.69 kg)
Tire Size	13.00-24-10PR

Steering

Komatsu GD625A-1 Motor Grader Steering specifications
Articulation Angle	26 degrees
Turning Radius	22.00 ft (6.71 m)

Transmission

Komatsu GD625A-1 Motor Grader Transmission specifications
Max Speed - Forward	28.00 mph (45.06 kph)
Max Speed - Reverse	34.10 mph (54.88 kph)
Number Of Gears - Forward	6

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