Komatsu GD300A-1 Motor Grader


Dimensions

Overall Length 21.99 ft in (6700 mm)
Width Over Tires 6.71 ft in (2045 mm)
Wheelbase 16.11 ft in (4910 mm)
Rear Ground Clearance 1.12 ft in (340 mm)
Tandem Axle Wheelbase 3.93 ft in (1195 mm)
Front Ground Clearance 1.4 ft in (425 mm)
Blade Base 7.11 ft in (2165 mm)
Height To Top Of Isomount Cab 10.27 ft in (3130 mm)

Engine Details

Engine Make Komatsu
Engine Model 4D105-5
Net Power Gear 5-6 75 hp (56 kw)
Max Power 75 hp (56 kw)
Net Torque Gears 5-6 194 lb ft (263.1 Nm)
Displacement 264 cu in (4.4 L)

Operational Specs

Std Operation Weight – Front Axle 4960.5 lb (2250 kg)
Std Operation Weight – Rear Axle 11574.3 lb (5250 kg)
Std Operation Weight – Total 16534.7 lb (7500 kg)
Tire Size front 9.00-20-10PR, rear 10.00-20-10PR

Steering

Articulation Angle 30 degrees
Turning Radius 18.1 ft in (5.5 m)

Transmission

Transmission Type constant mesh and synchromesh combined
Number Of Gears – Forward 5
Number Of Gears – Reverse 4
Max Speed – Forward 18.9 mph (30.4 km/h)
Max Speed – Reverse 19.3 mph (31 km/h)

Front Axle

Wheel Lean 19 degrees
Oscillation – Total 26 degrees
Ground Clearance 1.4 ft in (425 mm)

Moldboard

Moldboard Width 10.2 ft in (3100 mm)
Moldboard Height 22.9 in (580 mm)
Moldboard Thickness 0.7 in (16 mm)
Max Depth Of Cut 10.7 in (270 mm)

Circle

Max Reach Outside Tires – Left 45.3 in (1150 mm)
Max Reach Outside Tires – Right 43.4 in (1100 mm)
Max Lift Above Ground 13 in (330 mm)
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