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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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Dimensions

Blade Base8.40 ft (2.56 m)
Height to Top of Isomount Cab11.50 ft (3.51 m)
Overall Length26.80 ft (8.17 m)
Rear Ground Clearance1.20 ft (0.37 m)
Tandem Axle Wheelbase5.10 ft (1.55 m)
Wheelbase19.00 ft (5.79 m)
Width Over Tires7.90 ft (2.41 m)

Engine

Displacement396.10 cu in (6,490.93 cu cm)
Engine ModelS6D105
Max Power135.50 hp (101.04 kw)
Net Power Gear 5-6135.50 hp (101.04 kw)
Number of Cylinders6
Power Measured @2500 rpm

Front Axle

Ground Clearance1.20 ft (0.37 m)

Moldboard

Moldboard Height25.40 in (64.52 cm)
Moldboard Width12.20 ft (3.72 m)

Operating Specifications

Fuel Capacity60.00 gal (227.10 l)
Std Operation Weight - Total23,810.00 lbs (10,800.05 kg)
Tire Size13.00-24-8PR

Steering System

Articulation Angle27 degrees
Turning Radius21.70 ft (6.61 m)

Transmission

Max Speed - Forward27.80 mph (44.74 kph)
Max Speed - Reverse33.90 mph (54.56 kph)
Number of Gears - Forward6
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