Overview
The Komatsu GD31RC-3A is a motor grader listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. The page includes structured technical data such as dimensions, operating information, drivetrain details, capacities, and performance-related specifications where available. This model can be reviewed for equipment comparison, jobsite planning, fleet research, and specification-based machine selection. Use the full specifications table to compare the Komatsu GD31RC-3A against similar motor grader models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Std Operation Weight - Total
19,687.30
lb
Max Power
110
hp
Moldboard Width
10.20
ft
Overall Length
22.18
ft
Full Specifications
32 specs
Dimensions
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
4D130
5
Displacement
518 cu in / 8.5 L
Engine Make
2238
Engine Model
4D130
Ground Clearance
1.50 ft / 0.46 m
Max Depth Of Cut
17 ft / 5.18 m
Max Power
110 hp / 82.0 kW
Max Speed - Forward
23.80 mph / 38.3 km/h
Max Speed - Reverse
7.30 mph / 11.7 km/h
Moldboard Height
20.50 in / 521 mm
Moldboard Thickness
0.50 in / 13 mm
Moldboard Width
10.20 ft / 3.11 m
Net Power Gear 5-6
110 hp / 82.0 kW
Net Torque Gears 5-6
375 lb-ft / 508 Nm
Number Of Gears - Forward
6
Number Of Gears - Reverse
2
Oscillation - Total
26 deg
Std Operation Weight - Front Axle
5,269 lb / 2,390 kg
Std Operation Weight - Rear Axle
14,418 lb / 6,540 kg
Std Operation Weight - Total
19,687 lb / 8,930 kg
Turning Radius
29.60 ft / 9.02 m
Wheel Lean
25 deg
Hydraulics
Max Lift Above Ground
18.20 in / 462 mm
Max Reach Outside Tires - Left
61.30 ft / 18.68 m
Max Reach Outside Tires - Right
61.30 ft / 18.68 m
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Frequently Asked Questions
How does the Komatsu GD31RC-3A compare to similar Motor Grader models? +
You can compare the Komatsu GD31RC-3A side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.