Overview
The Komatsu GD521A-1 is a motor grader listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include fuel capacity of 60.0 gal. This model can be reviewed for equipment comparison, jobsite planning, fleet research, and specification-based machine selection. Use the full specifications table to compare the Komatsu GD521A-1 against similar motor grader models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Std Operation Weight - Total
23,810
lb
Max Power
135.50
hp
Moldboard Width
12.20
ft
Overall Length
26.78
ft
Full Specifications
24 specs
Dimensions
Blade Base
8.34 in / 212 mm
Height To Top Of Isomount Cab
11.44 ft / 3.49 m
Overall Length
26.78 ft / 8.16 m
Rear Ground Clearance
1.19 ft / 0.36 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
Articulation Angle
27 deg
Displacement
396 cu in / 6.5 L
Engine Make
2238
Engine Model
S6D105
Fuel Capacity
60 gal / 227.1 L
Ground Clearance
1.20 ft / 0.37 m
Max Power
136 hp / 101.0 kW
Max Speed - Forward
27.80 mph / 44.7 km/h
Max Speed - Reverse
33.90 mph / 54.6 km/h
Moldboard Height
25.40 in / 645 mm
Moldboard Width
12.20 ft / 3.72 m
Net Power Gear 5-6
136 hp / 101.0 kW
Number Of Gears - Forward
6
Number of Cylinders
6
Power Measured @
2,500 rpm
Std Operation Weight - Total
23,810 lb / 10,800 kg
Turning Radius
21.70 ft / 6.61 m
Related Machines
Frequently Asked Questions
How does the Komatsu GD521A-1 compare to similar Motor Grader models? +
You can compare the Komatsu GD521A-1 side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.