Komatsu GD31RC-3A Motor Grader Specs

Category: Motor Graders ➔
Manufacturer: Komatsu ➔
Model: GD31RC-3A ➔

The Komatsu GD31RC-3A Motor Grader is a powerful and versatile machine designed for precision grading in a variety of construction and road maintenance applications. With a circle max lift above ground of 18.2 inches and a circle max reach outside tires of 61.3 inches on both the left and right sides, this grader offers excellent maneuverability and control. Featuring a 110 horsepower engine and a transmission with 6 forward and 2 reverse gears, the GD31RC-3A is capable of achieving a maximum speed of 23.8 mph. With a moldboard width of 10.2 feet and a total weight of 19,687.3 pounds, this motor grader is a reliable and efficient choice for any grading project.

Circle

Komatsu GD31RC-3A Motor Grader Circle specifications
Max Lift Above Ground	18.20 in (46.23 cm)
Max Reach Outside Tires - Left	61.30 in (155.70 cm)
Max Reach Outside Tires - Right	61.30 in (155.70 cm)

Dimensions

Komatsu GD31RC-3A Motor Grader Dimensions specifications
Front Ground Clearance	1.43 ft (0.44 m)
Height To Top Of Isomount Cab	10.37 ft (3.16 m)
Overall Length	22.18 ft (6.76 m)
Rear Ground Clearance	1.15 ft (0.35 m)
Tandem Axle Wheelbase	3.94 ft (1.20 m)
Wheelbase	16.08 ft (4.90 m)
Width Over Tires	6.83 ft (2.08 m)

Engine

Komatsu GD31RC-3A Motor Grader Engine specifications
Displacement	518.00 cu in (8,488.52 cu cm)
Engine Make	2238
Engine Model	4D130
Max Power	110.00 hp (82.03 kw)
Net Power Gear 5-6	110.00 hp (82.03 kw)
Net Torque Gears 5-6	375.00 lbs ft (508.43 nm)

Front Axle

Komatsu GD31RC-3A Motor Grader Front Axle specifications
Ground Clearance	1.50 ft (0.46 m)
Oscillation - Total	26 degrees
Wheel Lean	25 degrees

Moldboard

Komatsu GD31RC-3A Motor Grader Moldboard specifications
Max Depth Of Cut	17.00 in (43.18 cm)
Moldboard Height	20.50 in (52.07 cm)
Moldboard Thickness	0.50 in (1.27 cm)
Moldboard Width	10.20 ft (3.11 m)

Operational

Komatsu GD31RC-3A Motor Grader Operational specifications
Std Operation Weight - Front Axle	5,269.10 lbs (2,390.03 kg)
Std Operation Weight - Rear Axle	14,418.30 lbs (6,540.04 kg)
Std Operation Weight - Total	19,687.30 lbs (8,930.02 kg)
Tire Size	front 9.00-20-10PR, rear 11.00-20-10PR

Steering

Komatsu GD31RC-3A Motor Grader Steering specifications
Turning Radius	29.60 ft (9.02 m)

Transmission

Komatsu GD31RC-3A Motor Grader Transmission specifications
Max Speed - Forward	23.80 mph (38.30 kph)
Max Speed - Reverse	7.30 mph (11.75 kph)
Number Of Gears - Forward	6
Number Of Gears - Reverse	2
Transmission Type	sliding mesh and constant mesh combined

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