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Komatsu

GD521A-1

Motor Grader

Max Power
135.5 hp
Net Power Gear 5-6
135.5 hp
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Komatsu GD521A-1 Motor Grader
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Specifications

24 data points

Operating Specifications

Operating Specifications specifications
Std Operation Weight - Total23,810 lb
Tire Size13.00-24-8PR
Fuel Capacity60.0 gal

Engine

Engine specifications
Engine ModelS6D105
Displacement396 in³
Power Measured @2,500 rpm
Number of Cylinders6
Max Power135.5 hp
Net Power Gear 5-6135.5 hp

Dimensions

Dimensions specifications
Wheelbase228 in
Overall Length322 in
Width Over Tires95 in
Height to Top of Isomount Cab138 in
Blade Base101 in
Tandem Axle Wheelbase61 in
Rear Ground Clearance15 in

Transmission

Transmission specifications
Max Speed - Forward27.8 mph
Max Speed - Reverse33.9 mph
Number of Gears - Forward6

Moldboard

Moldboard specifications
Moldboard Height25 in
Moldboard Width146 in

Front Axle

Front Axle specifications
Ground Clearance15 in

Steering System

Steering System specifications
Turning Radius260 in
Articulation Angle27 °

Comparable machines

Other motor graders in a similar weight class.