The Komatsu GD655-3 Motor Grader is a powerful and versatile machine designed to tackle a variety of grading tasks with precision and efficiency. With a robust engine delivering up to 200 horsepower, advanced hydraulic systems, and a durable moldboard, this motor grader is capable of meeting the demands of any construction or road maintenance project. From its high-tech steering system to its smooth transmission and ergonomic cab, the GD655-3 is built to provide operators with a comfortable and efficient working experience. Explore the impressive specifications of this motor grader below.
Circle
Komatsu GD655-3 Motor Grader Circle specifications
Blade Tip Angle - Front
40 degrees
Blade Tip Angle - Rear
5 degrees
Diameter
60.20 in (152.91 cm)
Max Lift Above Ground
19.90 in (50.55 cm)
Rotation
360 degrees
Shift Left
24.20 in (61.47 cm)
Shift Right
24.20 in (61.47 cm)
Dimensions
Komatsu GD655-3 Motor Grader Dimensions specifications
Blade Base
8.50 ft (2.59 m)
Height To Top Of Isomount Cab
10.25 ft (3.12 m)
Overall Length
33.75 ft (10.29 m)
Tandem Axle Wheelbase
5.00 ft (1.52 m)
Wheelbase
19.93 ft (6.07 m)
Width Over Tires
8.33 ft (2.54 m)
Engine
Komatsu GD655-3 Motor Grader Engine specifications
Aspiration
Turbocharged and air-to-air aftercooled
Displacement
505.00 cu in (8,275.49 cu cm)
Engine Make
2238
Engine Model
SAA6D114E-3
Max Power
200.00 hp (149.14 kw)
Net Power Gear 1-2
180.00 hp (134.23 kw)
Net Power Gear 4-6
200.00 hp (149.14 kw)
Net Power Gear 5-6
200.00 hp (149.14 kw)
Net Power Gears 7-8
200.00 hp (149.14 kw)
Net Torque Gears 1-2
612.00 lbs ft (829.75 nm)
Net Torque Gears 3-4
719.00 lbs ft (974.82 nm)
Net Torque Gears 5-6
719.00 lbs ft (974.82 nm)
Net Torque Gears 7-8
719.00 lbs ft (974.82 nm)
Number Of Cylinders
6
Power Measured @
1900 rpm
Torque Measured @
1400 rpm
Front Axle
Komatsu GD655-3 Motor Grader Front Axle specifications
Ground Clearance
24.80 ft (7.56 m)
Oscillation - Total
32 degrees
Wheel Lean
20 degrees
Hydraulic System
Komatsu GD655-3 Motor Grader Hydraulic System specifications
Pump Flow
51.00 gpm (193.04 lpm)
Pump Type
Load-sensing closed center hydraulics with variable displacement piston pump
Relief Valve Pressure
3000 psi
Moldboard
Komatsu GD655-3 Motor Grader Moldboard specifications
Max Depth Of Cut
32.10 in (81.53 cm)
Moldboard Height
26.00 in (66.04 cm)
Moldboard Thickness
0.90 in (2.29 cm)
Moldboard Width
12.00 ft (3.66 m)
Side Shift Left
32.30 in (82.04 cm)
Side Shift Right
32.30 in (82.04 cm)
Operational
Komatsu GD655-3 Motor Grader Operational specifications
Alternator Supplied Amperage
90 amps
Circle Gearbox Fluid Capacity
1.30 gal (4.92 l)
Cooling System Fluid Capacity
10.40 gal (39.36 l)
Fuel Capacity
89.90 gal (340.27 l)
Hydraulic System Fluid Capacity
26.40 gal (99.92 l)
Oil System Fluid Capacity
8.00 gal (30.28 l)
Operating Voltage
24 V
Std Operation Weight - Front Axle
9,039.00 lbs (4,099.32 kg)
Std Operation Weight - Rear Axle
24,912.30 lbs (11,298.10 kg)
Std Operation Weight - Total
33,951.20 lbs (15,397.37 kg)
Tandem Case Fluid Capacity (Each)
21.90 gal (82.89 l)
Tire Size
low pressure, tubeless, 17.5R25
Transmission Fluid Capacity
11.90 gal (45.04 l)
Steering
Komatsu GD655-3 Motor Grader Steering specifications
Articulation Angle
23 degrees
Turning Radius
22.70 ft (6.92 m)
Transmission
Komatsu GD655-3 Motor Grader Transmission specifications
Max Speed - Forward
26.20 mph (42.16 kph)
Max Speed - Reverse
23.90 mph (38.46 kph)
Number Of Gears - Forward
8
Number Of Gears - Reverse
4
Transmission Type
Full power shift transmission
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