The Komatsu GD300A-1 Motor Grader is a versatile and powerful machine designed for a variety of grading applications. With a maximum lift above ground of 13 inches and a circle reach outside the tires of up to 45.3 inches on the left side and 43.4 inches on the right, this motor grader offers precision and efficiency in operation. Powered by a 75 horsepower 4D105-5 engine, the GD300A-1 boasts reliable performance and excellent torque for tackling tough grading tasks. Featuring a sturdy moldboard with dimensions of 10.2 feet in width, 22.9 inches in height, and 0.7 inches in thickness, along with an operating weight of 16,534.7 pounds, this motor grader is a robust and dependable option for various construction and maintenance projects.
Circle
Komatsu GD300A-1 Motor Grader Circle specifications
Max Lift Above Ground
13.00 in (33.02 cm)
Max Reach Outside Tires - Left
45.30 in (115.06 cm)
Max Reach Outside Tires - Right
43.40 in (110.24 cm)
Dimensions
Komatsu GD300A-1 Motor Grader Dimensions specifications
Blade Base
7.11 ft (2.17 m)
Front Ground Clearance
1.40 ft (0.43 m)
Height To Top Of Isomount Cab
10.27 ft (3.13 m)
Overall Length
21.99 ft (6.70 m)
Rear Ground Clearance
1.12 ft (0.34 m)
Tandem Axle Wheelbase
3.93 ft (1.20 m)
Wheelbase
16.11 ft (4.91 m)
Width Over Tires
6.71 ft (2.05 m)
Engine
Komatsu GD300A-1 Motor Grader Engine specifications
Displacement
264.00 cu in (4,326.19 cu cm)
Engine Make
2238
Engine Model
4D105-5
Max Power
75.00 hp (55.93 kw)
Net Power Gear 5-6
75.00 hp (55.93 kw)
Net Torque Gears 5-6
194.00 lbs ft (263.03 nm)
Front Axle
Komatsu GD300A-1 Motor Grader Front Axle specifications
Ground Clearance
1.40 ft (0.43 m)
Oscillation - Total
26 degrees
Wheel Lean
19 degrees
Moldboard
Komatsu GD300A-1 Motor Grader Moldboard specifications
Max Depth Of Cut
10.70 in (27.18 cm)
Moldboard Height
22.90 in (58.17 cm)
Moldboard Thickness
0.70 in (1.78 cm)
Moldboard Width
10.20 ft (3.11 m)
Operational
Komatsu GD300A-1 Motor Grader Operational specifications
Std Operation Weight - Front Axle
4,960.50 lbs (2,250.05 kg)
Std Operation Weight - Rear Axle
11,574.30 lbs (5,250.02 kg)
Std Operation Weight - Total
16,534.70 lbs (7,500.02 kg)
Tire Size
front 9.00-20-10PR, rear 10.00-20-10PR
Steering
Komatsu GD300A-1 Motor Grader Steering specifications
Articulation Angle
30 degrees
Turning Radius
18.10 ft (5.52 m)
Transmission
Komatsu GD300A-1 Motor Grader Transmission specifications
Max Speed - Forward
18.90 mph (30.42 kph)
Max Speed - Reverse
19.30 mph (31.06 kph)
Number Of Gears - Forward
5
Number Of Gears - Reverse
4
Transmission Type
constant mesh and synchromesh combined
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