Leeboy 685B Motor Grader Specs

Category: Motor Graders ➔
Manufacturer: Leeboy ➔
Model: 685B ➔

The LeeBoy 685B is a motor grader used for grading, shaping, and maintaining surfaces in road construction, site preparation, and municipal work. It is designed to provide controlled blade positioning for tasks such as fine grading, ditching, shoulder work, and material spreading. The 685B is part of LeeBoy's grader lineup and is commonly associated with compact to mid-size grading applications where maneuverability and precision are required. As a motor grader, it is typically used on gravel roads, construction sites, and maintenance projects. The model is identified by the 685B designation and the LeeBoy brand name.

Circle

Leeboy 685B Motor Grader Circle specifications
Blade Tip Angle - Front	30 degrees
Rotation	120 degrees

Dimensions

Leeboy 685B Motor Grader Dimensions specifications
Height	10.33 ft (3.15 m)
Height To Top Of Isomount Cab	8.86 ft (2.70 m)
Length	21.67 ft (6.60 m)
Overall Length	21.66 ft (6.60 m)
Weight	15,200.00 lbs (6,894.61 kg)
Width	7.33 ft (2.24 m)
Width Over Tires	6.89 ft (2.10 m)

Engine

Leeboy 685B Motor Grader Engine specifications
Displacement	238.00 cu in (3,900.13 cu cm)
Engine Make	4B3.9
Engine Model	Cummins
Max Power	110.00 hp (82.03 kw)
Power Measured @	2500 rpm

Front Axle

Leeboy 685B Motor Grader Front Axle specifications
Ground Clearance	1.10 ft (0.34 m)
Wheel Lean	26 degrees

Hydraulic System

Leeboy 685B Motor Grader Hydraulic System specifications
Relief Valve Pressure	4500 psi

Moldboard

Leeboy 685B Motor Grader Moldboard specifications
Moldboard Height	18.00 in (45.72 cm)
Moldboard Width	10.30 ft (3.14 m)
Side Shift Left	36.00 in (91.44 cm)

Operational

Leeboy 685B Motor Grader Operational specifications
Cooling System Fluid Capacity	5.60 gal (21.20 l)
Fuel Capacity	39.90 gal (151.02 l)
Hydraulic System Fluid Capacity	32.00 gal (121.12 l)
Oil System Fluid Capacity	3.00 gal (11.36 l)
Operating Voltage	12 V
Std Operation Weight - Total	15,200.90 lbs (6,895.02 kg)
Tire Size	15/38.5-15

Transmission

Leeboy 685B Motor Grader Transmission specifications
Max Speed - Forward	20.00 mph (32.19 kph)

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