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Current number of specifications

Komatsu GD655-3 Motor Grader

Selected Dimensions

A. Overall Length33.8 ft in10280 mm
B. Width Over Tires8.3 ft in2550 mm
C. Height to Top of Cab10.3 ft in3120 mm
D. Wheelbase19.9 ft in6070 mm
G. Tandem Axle Wheelbase5 ft in1535 mm
H. Blade Base8.5 ft in2600 mm


Net Power Gear 1-2180 hp134 kw
Net Power Gear 3-4200 hp149.1 kw
Power Measured @1900 rpm
Net Power Gear 5-6200 hp149.1 kw
Torque Measured @1400 rpm
Net Power Gears 7-8200 hp149.1 kw
Number of Cylinders6
Max Power200 hp149.1 kw
Net Torque Gears 1-2612 lb ft830 Nm
Net Torque Gears 3-4719 lb ft975 Nm
Net Torque Gears 5-6719 lb ft975 Nm
Net Torque Gears 7-8719 lb ft975 Nm
Displacement505 cu in8.3 L
AspirationTurbocharged and air-to-air aftercooled
Std Operation Weight - Front Axle9039 lb4100 kg
Std Operation Weight - Rear Axle24912.2 lb11300 kg
Std Operation Weight - Total33951.2 lb15400 kg
Fuel Capacity89.8 gal340 L
Oil System Fluid Capacity7.9 gal30 L
Cooling System Fluid Capacity10.4 gal39.5 L
Hydrauilc System Fluid Capacity26.4 gal0 L
Transmission Fluid Capacity11.9 gal45 L
Circle Gearbox Fluid Capacity1.3 gal5 L
Tandem Case Fluid Capacity (each)21.9 gal83 L
Tire Sizelow pressure, tubeless, 17.5R25
Operating Voltage24 V
Alternator Supplied Amperage90 amps
TypeFull power shift transmission
Number of Gears - Forward8
Number of Gears - Reverse4
Max Speed - Forward26.2 mph42.2 km/h
Max Speed - Reverse23.9 mph38.4 km/h
Articulation L/R23 degrees
Turning Radius22.7 ft in6.9 m
Front Axle
Wheel Lean20 degrees
Oscillation - Total32 degrees
Ground Clearance24.8 ft in630 mm
Hydraulic System
Pump TypeLoad-sensing closed center hydraulics with variable displacement piston pump
Pump Flow51 gal/min194 L/min
Relief Valve Pressure3000 psi20600 kPa
Moldboard Width12 ft in3710 mm
Moldboard Height26 in660 mm
Moldboard Thickness0.88 in22 mm
Max Depth of Cut32.1 in815 mm
Side Shift Left32.3 in820 mm
Side Shift Right32.3 in820 mm
Diameter60.2 in1530 mm
Rotation360 degrees
Shift Left24.1 in625 mm
Shift Right24.1 in625 mm
Max Lift Above Ground19.9 in505 mm
Blade Tip Angle - Front40 degrees
Blade Tip Angle - Rear5 degrees
Height to Top of Cab10.3 ft in3120 mm
Overall Length33.8 ft in10280 mm
Width Over Tires8.3 ft in2550 mm
Wheelbase19.9 ft in6070 mm
Blade Base8.5 ft in2600 mm
Tandem Axle Wheelbase5 ft in1535 mm