The Komatsu GD555-5 Motor Grader is a powerful and versatile machine designed for heavy-duty construction and maintenance projects. With a maximum lift above ground of 1.6 ft and a shoulder reach outside rear tires of 6.6 ft, this grader is equipped with a turbocharged and air to air aftercooled engine that delivers a net power of 193.2 hp. With a spacious fuel tank capacity of 109.9 gallons and precise blade dimensions, the GD555-5 ensures efficient performance on any worksite.
Blade
Komatsu GD555-5 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 GD555-5 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 GD555-5 Motor Grader Circle specifications
Diameter
60.30 in (153.16 cm)
Dimensions
Komatsu GD555-5 Motor Grader Dimensions specifications
Center Edge To Center Of Front Axle
7.81 ft (2.38 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
29.52 ft (9.00 m)
Height: Low Profile Cab
10.50 ft (3.20 m)
Maximum Steering Range
49 degrees
Minimum Turning Radius
23.96 ft (7.30 m)
Overall Length
34.01 ft (10.37 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
6.76 ft (2.06 m)
Wheel Base To Center Of Tandem
20.58 ft (6.27 m)
Width Of Moldboard (Optional)
14.18 ft (4.32 m)
Width Of Moldboard (Standard)
12.18 ft (3.71 m)
Width Of Tyres
8.17 ft (2.49 m)
Drawbar
Komatsu GD555-5 Motor Grader Drawbar specifications
Drawbar Frame
210 x 25 mm
Engine
Komatsu GD555-5 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
195.80 hp (146.01 kw)
Max Torque
649.10 lbs ft (880.05 nm)
Net Power
193.20 hp (144.07 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
29 %
Frame
Komatsu GD555-5 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 GD555-5 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 GD555-5 Motor Grader Hydraulic System specifications
Maximum System Pressure
3000 psi
Output
52.90 gpm (200.23 lpm)
Standby Pressure
500 psi
Moldboard
Komatsu GD555-5 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 GD555-5 Motor Grader Ripper specifications
Ripper Penetration Force
19,288.70 lbs (8,749.22 kg)
Ripper Pry Out Force
28,685.70 lbs (13,011.63 kg)
Tandem Drive
Komatsu GD555-5 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 GD555-5 Motor Grader Weights specifications
Blade Down Pressure
19,330.20 lbs (8,768.04 kg)
Blade Pull
25,159.20 lbs (11,412.04 kg)
Operating Weight - On Front Wheels
11,993.20 lbs (5,440.03 kg)
Operating Weight - On Rear Wheels
27,954.70 lbs (12,680.05 kg)
Total Operating Weight
39,947.80 lbs (18,120.04 kg)
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