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Komatsu GD661A-1 Motor Grader

The Komatsu GD661A-1 Motor Grader is a powerful and efficient machine designed for heavy-duty grading tasks. With a blade base of 8.6 feet and a moldboard width of 12.2 feet, this grader can handle a wide range of grading operations with precision. Powered by a robust S6D105 engine with a displacement of 396.1 cubic inches, the GD661A-1 delivers a maximum power of 179.7 horsepower at 2500 rpm. Equipped with a reliable transmission system and a comfortable Isomount cab, this motor grader offers exceptional performance, operator comfort, and productivity on the job site.


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Dimensions

Blade Base8.60 ft (2.62 m)
Height to Top of Isomount Cab11.50 ft (3.51 m)
Overall Length27.50 ft (8.38 m)
Rear Ground Clearance1.20 ft (0.37 m)
Tandem Axle Wheelbase5.10 ft (1.55 m)
Wheelbase19.70 ft (6.00 m)
Width Over Tires7.90 ft (2.41 m)

Engine

Displacement396.10 cu in (6,490.93 cu cm)
Engine ModelS6D105
Max Power179.70 hp (134.00 kw)
Net Power Gear 5-6179.70 hp (134.00 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 Capacity75.30 gal (285.01 l)
Std Operation Weight - Total29,321.50 lbs (13,300.03 kg)
Tire Size13.00-24-10PR

Steering System

Articulation Angle26 degrees
Turning Radius22.70 ft (6.92 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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