Komatsu GD655-3 Motor Grader

Blades

Maximum Shoulder Reach Outside of Tires – Left 79 in (201 cm)
Maximum Shoulder Reach Outside of Tires – Right 79 in (201 cm)
Moldboard Sideshift – Left 25 in (63 cm)
Moldboard Sideshift – Right 25 in (63 cm)

Circle

Blade Tip Angle – Front 40 degrees
Blade Tip Angle – Rear 5 degrees
Diameter 60 in (153 cm)
Max Lift Above Ground 20 in (51 cm)
Rotation 360 degrees
Shift Left 24 in (61 cm)
Shift Right 24 in (61 cm)

Dimensions

Blade Base 9 ft (3 m)
Height to Top of Isomount Cab 10 ft (3 m)
Overall Length 34 ft (10 m)
Tandem Axle Wheelbase 5 ft (2 m)
Wheelbase 20 ft (6 m)
Width Over Tires 8 ft (3 m)

Engine

Aspiration Turbocharged and air-to-air aftercooled
Base Power (1st Gear) – Net 180 hp (134 kw)
Displacement 505 cu in (8,275 cu cm)
Engine Model SAA6D114E-3
Max Power 200 hp (149 kw)
Net Power Gear 1-2 180 hp (134 kw)
Net Power Gear 4-6 200 hp (149 kw)
Net Power Gear 5-6 200 hp (149 kw)
Net Power Gears 7-8 200 hp (149 kw)
Net Torque Gears 1-2 612 lbs ft (830 nm)
Net Torque Gears 3-4 719 lbs ft (975 nm)
Net Torque Gears 5-6 719 lbs ft (975 nm)
Net Torque Gears 7-8 719 lbs ft (975 nm)
Number of Cylinders 6
Power Measured @ 1900 rpm
Torque Measured @ 1400 rpm

Front Axle

Ground Clearance 25 ft (8 m)
Oscillation – Total 32 degrees
Wheel Lean 20 degrees

Hydraulic System

Pump Flow 51 gpm (193 lpm)
Pump Type Load-sensing closed center hydraulics with variable displacement piston pump
Relief Valve Pressure 3000 psi

Moldboard

Max Depth of Cut 32 in (82 cm)
Moldboard Height 26 in (66 cm)
Moldboard Length 12 ft (4 m)
Moldboard Thickness 1 in (2 cm)
Moldboard Width 12 ft (4 m)
Side Shift Left 32 in (82 cm)
Side Shift Right 32 in (82 cm)

Operating Specifications

Alternator Supplied Amperage 90 amps
Circle Gearbox Fluid Capacity 1 gal (5 l)
Cooling System Fluid Capacity 10 gal (39 l)
Fuel Capacity 90 gal (340 l)
Hydraulic System Fluid Capacity 26 gal (100 l)
Oil System Fluid Capacity 8 gal (30 l)
Operating Voltage 24 volts
Operating Weight 37,801 lbs (17,146 kg)
Std Operation Weight – Front Axle 9,039 lbs (4,100 kg)
Std Operation Weight – Rear Axle 24,912 lbs (11,300 kg)
Std Operation Weight – Total 33,951 lbs (15,400 kg)
Tandem Case Fluid Capacity (each) 22 gal (83 l)
Tire Size low pressure, tubeless, 17.5R25
Transmission Fluid Capacity 12 gal (45 l)

Steering System

Articulation Angle 23 degrees
Turning Radius 23 ft (7 m)

Transmission

Max Speed – Forward 26 mph (42 kph)
Max Speed – Reverse 24 mph (38 kph)
Number of Gears – Forward 8
Number of Gears – Reverse 4
Transmission Type Full power shift transmission
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