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Current number of specifications

Komatsu GD555-3 Motor Grader

Selected Dimensions

A. Overall Length30.8 ft in9390 mm
B. Width Over Tires8.3 ft in2525 mm
D. Wheelbase19.2 ft in5850 mm
G. Tandem Axle Wheelbase5 ft in1535 mm
H. Blade Base8.2 ft in2500 mm


Number of Cylinders6
Net Power Gear 1-2140 hp104 kw
Power Measured @2000 rpm
Net Power Gear 5-6160 hp119.3 kw
Torque Measured @1500 rpm
Max Power160 hp119.3 kw
Net Power Gears 7-8160 hp119.3 kw
Net Torque Gears 1-2425 lb ft576 Nm
Net Torque Gears 3-4538 lb ft729 Nm
Net Torque Gears 5-6538 lb ft729 Nm
Net Torque Gears 7-8538 lb ft729.4 Nm
Displacement359 cu in5.9 L
AspirationTurbocharged and aftercooled
Net Power Gear 3-4160 hp119.3 kw
Std Operation Weight - Front Axle8818.5 lb4000 kg
Std Operation Weight - Rear Axle22134.4 lb10040 kg
Std Operation Weight - Total30952.9 lb14040 kg
Fuel Capacity89.8 gal340 L
Oil System Fluid Capacity3.8 gal14.4 L
Cooling System Fluid Capacity11.1 gal42 L
Hydrauilc System Fluid Capacity22.5 gal85 L
Transmission Fluid Capacity11.9 gal45 L
Circle Gearbox Fluid Capacity1.5 gal5 L
Tandem Case Fluid Capacity (each)21.9 gal83 L
Tire SizeLow pressure, tubeless, 14.00 X 24, 12 ply rating - G2
Operating Voltage24 V
Alternator Supplied Amperage90 amps
TypeFull power shift transmission
Number of Gears - Forward8
Number of Gears - Reverse4
Max Speed - Forward26.7 mph42.9 km/h
Max Speed - Reverse24.3 mph39.1 km/h
Articulation L/R23 degrees
Turning Radius22.3 ft in6.8 m
Front Axle
Wheel Lean20 degrees
Oscillation - Total32 degrees
Ground Clearance2 ft in610 mm
Hydraulic System
Pump TypeClosed Center Load Sensing System (CLSS) hydraulics
Pump Flow54 gal/min204.4 L/min
Relief Valve Pressure3000 psi20684.3 kPa
Moldboard Width12 ft in3710 mm
Moldboard Height26 in660 mm
Moldboard Thickness0.87 in22 mm
Max Depth of Cut32.9 in835 mm
Side Shift Left32.3 in820 mm
Side Shift Right32.3 in820 mm
Diameter60.2 in1529.1 mm
Rotation360 degrees
Shift Left24.5 in625 mm
Shift Right24.5 in625 mm
Max Reach Outside Tires - Left78.7 in2000 mm
Max Reach Outside Tires - Right78.7 in2000 mm
Max Lift Above Ground19.1 in485 mm
Blade Tip Angle - Front40 degrees
Blade Tip Angle - Rear5 degrees
Height to Top of Isomount Cab10.2 ft in3100 mm
Overall Length30.8 ft in9390 mm
Width Over Tires8.3 ft in2525 mm
Wheelbase19.2 ft in5850 mm
Blade Base8.2 ft in2500 mm
Tandem Axle Wheelbase5 ft in1535 mm