Komatsu GD405A-1 Motor Grader


Dimensions

Overall Length 23.05 ft in (7025 mm)
Width Over Tires 7.11 ft in (2165 mm)
Wheelbase 16.08 ft in (4900 mm)
Rear Ground Clearance 0.99 ft in (300 mm)
Tandem Axle Wheelbase 4.29 ft in (1305 mm)
Front Ground Clearance 1.43 ft in (435 mm)
Blade Base 6.89 ft in (2100 mm)
Height To Top Of Isomount Cab 10.88 ft in (3315 mm)

Engine Details

Engine Make Komatsu
Engine Model 6D105
Net Power Gear 5-6 110 hp (82.1 kw)
Max Power 110 hp (82.1 kw)
Net Torque Gears 5-6 282 lb ft (382.4 Nm)
Displacement 396 cu in (6.5 L)

Operational Specs

Std Operation Weight – Front Axle 5621.8 lb (2550 kg)
Std Operation Weight – Rear Axle 13955.3 lb (6330 kg)
Std Operation Weight – Total 19577.1 lb (8880 kg)
Tire Size front 9.00-20-10PR, rear 11.00-20-10PR

Steering

Articulation Angle 27 degrees
Turning Radius 18.4 ft in (5.6 m)

Transmission

Transmission Type hydroshift
Number Of Gears – Forward 6
Number Of Gears – Reverse 6
Max Speed – Forward 26.1 mph (42 km/h)
Max Speed – Reverse 28 mph (45 km/h)

Front Axle

Wheel Lean 22 degrees
Oscillation – Total 26 degrees
Ground Clearance 1.5 ft in (435 mm)

Moldboard

Moldboard Width 10.2 ft in (3100 mm)
Moldboard Height 24.7 in (625 mm)
Moldboard Thickness 0.8 in (19 mm)
Max Depth Of Cut 17.4 in (440 mm)

Circle

Max Reach Outside Tires – Left 54 in (1370 mm)
Max Reach Outside Tires – Right 56 in (1420 mm)
Max Lift Above Ground 14.2 in (360 mm)
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