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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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General Specifications

Dimensions

Blade Base9 ft (3 m)
Height to Top of Isomount Cab12 ft (4 m)
Overall Length28 ft (8 m)
Rear Ground Clearance1 ft (0 m)
Tandem Axle Wheelbase5 ft (2 m)
Wheelbase20 ft (6 m)
Width Over Tires8 ft (2 m)

Engine

Displacement396 cu in (6,491 cu cm)
Engine ModelS6D105
Max Power180 hp (134 kw)
Net Power Gear 5-6180 hp (134 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 Capacity75 gal (285 l)
Std Operation Weight - Total29,322 lbs (13,300 kg)
Tire Size13.00-24-10PR

Steering System

Articulation Angle26 degrees
Turning Radius23 ft (7 m)

Transmission

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


39.95234 \\ -75.16379 \\ Fort Washington \\ PA