Create a CEG Account  /  CEG Login


Komatsu GD300A-1 Motor Grader

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.


See all Komatsu GD300A-1s for sale

Circle

Max Lift Above Ground13.00 in (33.02 cm)
Max Reach Outside Tires - Left45.30 in (115.06 cm)
Max Reach Outside Tires - Right43.40 in (110.24 cm)

Dimensions

Blade Base7.20 ft (2.19 m)
Front Ground Clearance1.40 ft (0.43 m)
Height to Top of Isomount Cab10.30 ft (3.14 m)
Overall Length22.00 ft (6.71 m)
Rear Ground Clearance1.20 ft (0.37 m)
Tandem Axle Wheelbase4.00 ft (1.22 m)
Wheelbase16.20 ft (4.94 m)
Width Over Tires6.80 ft (2.07 m)

Engine

Displacement264.00 cu in (4,326.19 cu cm)
Engine Model4D105-5
Max Power75.00 hp (55.93 kw)
Net Power Gear 5-675.00 hp (55.93 kw)
Net Torque Gears 5-6194.00 lbs ft (263.03 nm)

Front Axle

Ground Clearance1.40 ft (0.43 m)
Oscillation - Total26 degrees
Wheel Lean19 degrees

Moldboard

Max Depth of Cut10.70 in (27.18 cm)
Moldboard Height22.90 in (58.17 cm)
Moldboard Thickness0.70 in (1.78 cm)
Moldboard Width10.20 ft (3.11 m)

Operating Specifications

Std Operation Weight - Front Axle4,960.50 lbs (2,250.05 kg)
Std Operation Weight - Rear Axle11,574.30 lbs (5,250.02 kg)
Std Operation Weight - Total16,534.70 lbs (7,500.02 kg)
Tire Sizefront 9.00-20-10PR rear 10.00-20-10PR

Steering System

Articulation Angle30 degrees
Turning Radius18.10 ft (5.52 m)

Transmission

Max Speed - Forward18.90 mph (30.42 kph)
Max Speed - Reverse19.30 mph (31.06 kph)
Number of Gears - Forward5
Number of Gears - Reverse4
Transmission Typeconstant mesh and synchromesh combined
×

Stay Ahead of the Market

Get weekly equipment news, auction updates, and dealer insights — trusted by thousands of industry professionals.