Komatsu GD31RC-3A Motor Grader


Dimensions

Overall Length 22.18 ft in (6760 mm)
Width Over Tires 6.83 ft in (2080 mm)
Wheelbase 16.08 ft in (4900 mm)
Rear Ground Clearance 1.15 ft in (350 mm)
Tandem Axle Wheelbase 3.94 ft in (1200 mm)
Front Ground Clearance 1.43 ft in (435 mm)
Height To Top Of Isomount Cab 10.37 ft in (3160 mm)

Engine Details

Engine Make Komatsu
Engine Model 4D130
Net Power Gear 5-6 110 hp (82.1 kw)
Max Power 110 hp (82.1 kw)
Net Torque Gears 5-6 375 lb ft (508.5 Nm)
Displacement 518 cu in (8.5 L)

Operational Specs

Std Operation Weight – Front Axle 5269.1 lb (2390 kg)
Std Operation Weight – Rear Axle 14418.3 lb (6540 kg)
Std Operation Weight – Total 19687.3 lb (8930 kg)
Tire Size front 9.00-20-10PR, rear 11.00-20-10PR

Steering

Turning Radius 29.6 ft in (9 m)

Transmission

Transmission Type sliding mesh and constant mesh combined
Number Of Gears – Forward 6
Number Of Gears – Reverse 2
Max Speed – Forward 23.8 mph (38.3 km/h)
Max Speed – Reverse 7.3 mph (11.6 km/h)

Front Axle

Wheel Lean 25 degrees
Oscillation – Total 26 degrees
Ground Clearance 1.5 ft in (435 mm)

Moldboard

Moldboard Width 10.2 ft in (3100 mm)
Moldboard Height 20.5 in (520 mm)
Moldboard Thickness 0.5 in (12 mm)
Max Depth Of Cut 17 in (430 mm)

Circle

Max Reach Outside Tires – Left 61.3 in (1555 mm)
Max Reach Outside Tires – Right 61.3 in (1555 mm)
Max Lift Above Ground 18.2 in (460 mm)
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