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Komatsu GD300A-1 Motor Grader Specs

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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