Komatsu GD661A-1 Motor Grader Specs

Category: Motor Graders ➔
Manufacturer: Komatsu ➔
Model: GD661A-1 ➔

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.

Dimensions

Komatsu GD661A-1 Motor Grader Dimensions specifications
Blade Base	8.54 ft (2.60 m)
Height To Top Of Isomount Cab	11.44 ft (3.49 m)
Overall Length	27.50 ft (8.38 m)
Rear Ground Clearance	1.17 ft (0.36 m)
Tandem Axle Wheelbase	5.04 ft (1.54 m)
Wheelbase	19.69 ft (6.00 m)
Width Over Tires	7.86 ft (2.40 m)

Engine

Komatsu GD661A-1 Motor Grader Engine specifications
Displacement	396.10 cu in (6,490.93 cu cm)
Engine Make	2238
Engine Model	S6D105
Max Power	179.70 hp (134.00 kw)
Net Power Gear 5-6	179.70 hp (134.00 kw)
Number Of Cylinders	6
Power Measured @	2500 rpm

Front Axle

Komatsu GD661A-1 Motor Grader Front Axle specifications
Ground Clearance	1.20 ft (0.37 m)

Moldboard

Komatsu GD661A-1 Motor Grader Moldboard specifications
Moldboard Height	25.40 in (64.52 cm)
Moldboard Width	12.20 ft (3.72 m)

Operational

Komatsu GD661A-1 Motor Grader Operational specifications
Fuel Capacity	75.30 gal (285.01 l)
Std Operation Weight - Total	29,321.50 lbs (13,300.03 kg)
Tire Size	13.00-24-10PR

Steering

Komatsu GD661A-1 Motor Grader Steering specifications
Articulation Angle	26 degrees
Turning Radius	22.70 ft (6.92 m)

Transmission

Komatsu GD661A-1 Motor Grader Transmission specifications
Max Speed - Forward	27.80 mph (44.74 kph)
Max Speed - Reverse	33.90 mph (54.56 kph)
Number Of Gears - Forward	6

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