Komatsu GD605R-2 Motor Grader Specs

Category: Motor Graders ➔
Manufacturer: Komatsu ➔
Model: GD605R-2 ➔

The Komatsu GD605R-2 Motor Grader is a powerful and versatile machine designed for efficient earth moving and grading operations. With a maximum power of 145 hp and a transmission featuring 6 forward and 6 reverse gears, this motor grader offers exceptional performance. Its moldboard has a width of 12.2 ft and a maximum depth of cut of 22.5 in, making it ideal for precise grading work. The dimensions of the GD605R-2 include an overall length of 27.7 ft and a height to the top of the cab of 11 ft, providing operators with ample visibility and comfort. Operating at a total weight of 27,888.5 lbs, this motor grader is equipped with a sturdy frame and advanced steering system for enhanced maneuverability on the job site.

Circle

Komatsu GD605R-2 Motor Grader Circle specifications
Max Lift Above Ground	15.80 in (40.13 cm)
Max Reach Outside Tires - Left	83.30 in (211.58 cm)
Max Reach Outside Tires - Right	81.00 in (205.74 cm)

Dimensions

Komatsu GD605R-2 Motor Grader Dimensions specifications
Blade Base	8.85 ft (2.70 m)
Front Ground Clearance	1.99 ft (0.61 m)
Height To Top Of Isomount Cab	11.00 ft (3.35 m)
Overall Length	27.61 ft (8.42 m)
Rear Ground Clearance	1.09 ft (0.33 m)
Tandem Axle Wheelbase	4.98 ft (1.52 m)
Wheelbase	19.69 ft (6.00 m)

Engine

Komatsu GD605R-2 Motor Grader Engine specifications
Displacement	742.00 cu in (12,159.23 cu cm)
Engine Make	2347
Engine Model	NH220-CI
Max Power	145.00 hp (108.13 kw)
Net Power Gear 5-6	145.00 hp (108.13 kw)
Net Torque Gears 5-6	528.00 lbs ft (715.86 nm)

Front Axle

Komatsu GD605R-2 Motor Grader Front Axle specifications
Ground Clearance	2.00 ft (0.61 m)
Oscillation - Total	30 degrees
Wheel Lean	23 degrees

Moldboard

Komatsu GD605R-2 Motor Grader Moldboard specifications
Max Depth Of Cut	22.50 in (57.15 cm)
Moldboard Height	25.80 in (65.53 cm)
Moldboard Thickness	0.80 in (2.03 cm)
Moldboard Width	12.20 ft (3.72 m)

Operational

Komatsu GD605R-2 Motor Grader Operational specifications
Std Operation Weight - Front Axle	7,826.50 lbs (3,550.05 kg)
Std Operation Weight - Rear Axle	20,062.10 lbs (9,100.03 kg)
Std Operation Weight - Total	27,888.50 lbs (12,650.03 kg)
Tire Size	13.00-24-10PR

Steering

Komatsu GD605R-2 Motor Grader Steering specifications
Turning Radius	34.20 ft (10.42 m)

Transmission

Komatsu GD605R-2 Motor Grader Transmission specifications
Max Speed - Forward	27.10 mph (43.61 kph)
Max Speed - Reverse	32.10 mph (51.66 kph)
Number Of Gears - Forward	6
Number Of Gears - Reverse	6
Transmission Type	Hydroshift

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