Komatsu GD655-5 Motor Grader Specs

Category: Motor Graders ➔
Manufacturer: Komatsu ➔
Model: GD655-5 ➔

The Komatsu GD655-5 Motor Grader is a powerful and versatile machine designed for efficient grading work in construction and road building projects. With a net power of 218.6 hp and a maximum blade lift of 1.6 ft above the ground, this motor grader offers high performance and precision. Its various capacities, from the cooling system to the fuel tank, ensure optimal operation and productivity on the job site. The Komatsu GD655-5 boasts a sturdy frame structure, a turbocharged engine, and a robust moldboard, making it a reliable and durable choice for grading tasks.

Blade

Komatsu GD655-5 Motor Grader Blade specifications
Blade Length	12.20 ft (3.72 m)
Blade Tip Angle	40 ° forward, 5 ° backward
Circle Center Shift: Left	1.90 ft (0.58 m)
Circle Center Shift: Right	2.00 ft (0.61 m)
Maximum Blade Angle	90 degrees
Maximum Cutting Depth	2.10 ft (0.64 m)
Maximum Lift Above Ground	1.60 ft (0.49 m)
Maximum Shoulder Reach Outside Rear Tyres (Frame Straight): Left	6.60 ft (2.01 m)
Maximum Shoulder Reach Outside Rear Tyres (Frame Straight): Right	6.60 ft (2.01 m)
Moldboard Side Shift: Left	2.70 ft (0.82 m)
Moldboard Side Shift: Right	2.70 ft (0.82 m)

Capacities

Komatsu GD655-5 Motor Grader Capacities specifications
Circle Reverse Housing	1.90 gal (7.19 l)
Cooling System	6.60 gal (24.98 l)
Crankcase	6.20 gal (23.47 l)
Final Drive	4.50 gal (17.03 l)
Fuel Tank - Diesel	109.90 gal (415.97 l)
Hydraulic System	18.30 gal (69.27 l)
Tandem Housing	15.10 gal (57.15 l)
Transmission	11.90 gal (45.04 l)

Circle

Komatsu GD655-5 Motor Grader Circle specifications
Diameter	60.30 in (153.16 cm)

Dimensions

Komatsu GD655-5 Motor Grader Dimensions specifications
Center Edge To Center Of Front Axle	8.47 ft (2.58 m)
Center Of Front Axle To Counterweight (Pusher)	3.05 ft (0.93 m)
Center Of Tandem To Back Of Ripper	9.13 ft (2.78 m)
Clearance	1.28 ft (0.39 m)
Front Tyre To Rear Bumper	30.21 ft (9.21 m)
Height: Low Profile Cab	10.50 ft (3.20 m)
Maximum Steering Range	49 degrees
Minimum Turning Radius	24.28 ft (7.40 m)
Overall Length	34.70 ft (10.58 m)
Ripper Beam Width	7.57 ft (2.31 m)
Steering Articulation Angle	25 degrees
Tandem Wheelbase	5.00 ft (1.52 m)
Track Gauge	7.11 ft (2.17 m)
Wheel Base To Center Of Tandem	21.26 ft (6.48 m)
Width Of Moldboard (Optional)	12.18 ft (3.71 m)
Width Of Moldboard (Standard)	14.18 ft (4.32 m)
Width Of Tyres	8.54 ft (2.60 m)

Drawbar

Komatsu GD655-5 Motor Grader Drawbar specifications
Drawbar Frame	210 x 25 mm

Engine

Komatsu GD655-5 Motor Grader Engine specifications
Air Cleaner	2-stage, dry-type
Aspiration	Turbocharged and air to air aftercooled
Battery	2, low maintenance plus, 12 volt, 1146 cca
Bore	4.30 in (10.92 cm)
Electrical	24 volt with 90 amp alternator
Engine Model	KOMATSU SAA6D107E-1
Engine Type	Water-cooled, 4 cycle, direct injection
Fan Speed	Max. 1500 rpm
Gross Power	221.30 hp (165.03 kw)
Max Torque	694.10 lbs ft (941.06 nm)
Net Power	218.60 hp (163.01 kw)
Number Of Cylinders	6
Piston Displacement	408.30 cu in (6,690.85 cu cm)
Stroke	4.90 in (12.45 cm)
Torque Rise	31 %

Frame

Komatsu GD655-5 Motor Grader Frame specifications
Front Frame Structure - Height	1.00 ft (0.30 m)
Front Frame Structure - Thickness	0.10 ft (0.03 m)
Front Frame Structure - Width	1.00 ft (0.30 m)

Front Axle

Komatsu GD655-5 Motor Grader Front Axle specifications
Front Axle Type	Solid bar construction welded steel sections
Ground Clearance	2.10 ft (0.64 m)
Oscillation - Total	32 degrees
Wheel Lean	20 degrees

Hydraulic System

Komatsu GD655-5 Motor Grader Hydraulic System specifications
Maximum System Pressure	3000 psi
Output	52.90 gpm (200.23 lpm)
Standby Pressure	500 psi

Moldboard

Komatsu GD655-5 Motor Grader Moldboard specifications
Arc Radius	1.10 ft (0.34 m)
Cutting Edge	152 x 16 mm
Moldboard Height	25.40 in (64.52 cm)
Moldboard Thickness	0.90 in (2.29 cm)
Moldboard Width	12.20 ft (3.72 m)

Ripper

Komatsu GD655-5 Motor Grader Ripper specifications
Ripper Penetration Force	20,232.90 lbs (9,177.50 kg)
Ripper Pry Out Force	28,685.70 lbs (13,011.63 kg)

Tandem Drive

Komatsu GD655-5 Motor Grader Tandem Drive specifications
Oscillating Welded Box Section	520 mm x 202 mm
Side Wall Thickness: Inner	0.10 ft (0.03 m)
Side Wall Thickness: Outer	0.10 ft (0.03 m)
Tandem Oscillation	11° forward, 13 ° reverse
Wheel Axle Spacing	5.10 ft (1.55 m)

Weights

Komatsu GD655-5 Motor Grader Weights specifications
Blade Down Pressure	19,665.30 lbs (8,920.04 kg)
Blade Pull	26,091.80 lbs (11,835.06 kg)
Operating Weight - On Front Wheels	11,841.10 lbs (5,371.04 kg)
Operating Weight - On Rear Wheels	28,990.80 lbs (13,150.02 kg)
Total Operating Weight	40,829.70 lbs (18,520.06 kg)

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