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Komatsu GD521A-1 Motor Grader

The Komatsu GD521A-1 Motor Grader is a powerhouse on the worksite, boasting impressive dimensions and top-of-the-line specifications. With a robust engine model and maximum power of 135.5 horsepower, this motor grader is equipped to handle a variety of grading tasks with ease. Its ergonomic design includes a comfortable Isomount cab and precise steering system, making it a reliable and efficient choice for any construction project.


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General Specifications

Dimensions

Blade Base8 ft (3 m)
Height to Top of Isomount Cab12 ft (4 m)
Overall Length27 ft (8 m)
Rear Ground Clearance1 ft (0 m)
Tandem Axle Wheelbase5 ft (2 m)
Wheelbase19 ft (6 m)
Width Over Tires8 ft (2 m)

Engine

Displacement396 cu in (6,491 cu cm)
Engine ModelS6D105
Max Power136 hp (101 kw)
Net Power Gear 5-6136 hp (101 kw)
Number of Cylinders6
Power Measured @2500 rpm

Front Axle

Ground Clearance1 ft (0 m)

Moldboard

Moldboard Height25 in (65 cm)
Moldboard Width12 ft (4 m)

Operating Specifications

Fuel Capacity60 gal (227 l)
Std Operation Weight - Total23,810 lbs (10,800 kg)
Tire Size13.00-24-8PR

Steering System

Articulation Angle27 degrees
Turning Radius22 ft (7 m)

Transmission

Max Speed - Forward28 mph (45 kph)
Max Speed - Reverse34 mph (55 kph)
Number of Gears - Forward6


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