The Komatsu GD511A-1 Motor Grader is a powerful and versatile machine designed to handle various grading tasks with ease. With a blade base of 8.4 ft, height to top of Isomount Cab measuring at 11.5 ft, and an overall length of 26 ft, this motor grader provides exceptional visibility and maneuverability on the job site. Equipped with a reliable S6D95L engine boasting a displacement of 298.5 cu in and capable of delivering a max power of 135.5 hp, the GD511A-1 ensures efficient performance in a variety of applications. With operating specifications including a fuel capacity of 60 gal and a standard operation weight of 23810 lbs, this motor grader is a dependable choice for tackling grading projects with precision and efficiency.
Dimensions
Komatsu GD511A-1 Motor Grader Dimensions specifications
Blade Base
8.34 ft (2.54 m)
Height To Top Of Isomount Cab
11.44 ft (3.49 m)
Overall Length
25.91 ft (7.90 m)
Rear Ground Clearance
1.20 ft (0.37 m)
Tandem Axle Wheelbase
5.04 ft (1.54 m)
Wheelbase
18.97 ft (5.78 m)
Width Over Tires
7.86 ft (2.40 m)
Engine
Komatsu GD511A-1 Motor Grader Engine specifications
Displacement
298.50 cu in (4,891.55 cu cm)
Engine Make
2238
Engine Model
S6D95L
Max Power
135.50 hp (101.04 kw)
Net Power Gear 5-6
135.50 hp (101.04 kw)
Number Of Cylinders
6
Power Measured @
2900 rpm
Front Axle
Komatsu GD511A-1 Motor Grader Front Axle specifications
Ground Clearance
1.20 ft (0.37 m)
Moldboard
Komatsu GD511A-1 Motor Grader Moldboard specifications
Moldboard Height
25.40 in (64.52 cm)
Moldboard Width
12.20 ft (3.72 m)
Operational
Komatsu GD511A-1 Motor Grader Operational specifications
Fuel Capacity
60.00 gal (227.10 l)
Std Operation Weight - Total
23,810.00 lbs (10,800.05 kg)
Tire Size
13.00-24-8PR
Steering
Komatsu GD511A-1 Motor Grader Steering specifications
Articulation Angle
27 degrees
Turning Radius
21.70 ft (6.61 m)
Transmission
Komatsu GD511A-1 Motor Grader Transmission specifications
Max Speed - Forward
27.70 mph (44.58 kph)
Max Speed - Reverse
33.90 mph (54.56 kph)
Number Of Gears - Forward
6
×
Stay Ahead of the Market
Get weekly equipment news, auction updates, and dealer insights — trusted by thousands of industry professionals.