Komatsu GD621R-1 Motor Grader Specs

Category: Motor Graders ➔
Manufacturer: Komatsu ➔
Model: GD621R-1 ➔

The Komatsu GD621R-1 Motor Grader is a powerful and versatile machine designed for a variety of grading and maintenance tasks. With an engine displacement of 396.1 cubic inches and a net power of 155.6 horsepower, this grader offers efficient performance. It features a sturdy blade base of 8.6 feet and a moldboard width of 12.2 feet, allowing for precise and effective grading operations. With a comfortable Isomount Cab and a top speed of 27.8 mph, the GD621R-1 is a reliable choice for any grading project.

Dimensions

Komatsu GD621R-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 GD621R-1 Motor Grader Engine specifications
Displacement	396.10 cu in (6,490.93 cu cm)
Engine Make	2238
Engine Model	S6D105
Max Power	155.60 hp (116.03 kw)
Net Power Gear 5-6	155.60 hp (116.03 kw)
Number Of Cylinders	6
Power Measured @	2500 rpm

Front Axle

Komatsu GD621R-1 Motor Grader Front Axle specifications
Ground Clearance	1.20 ft (0.37 m)

Moldboard

Komatsu GD621R-1 Motor Grader Moldboard specifications
Moldboard Height	25.40 in (64.52 cm)
Moldboard Width	12.20 ft (3.72 m)

Operational

Komatsu GD621R-1 Motor Grader Operational specifications
Fuel Capacity	75.30 gal (285.01 l)
Std Operation Weight - Total	27,998.80 lbs (12,697.87 kg)
Tire Size	13.00-24-10PR

Steering

Komatsu GD621R-1 Motor Grader Steering specifications
Turning Radius	34.20 ft (10.42 m)

Transmission

Komatsu GD621R-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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