The Komatsu GD405A-1 Motor Grader is a high-performance machine designed for precision grading and leveling tasks. With a powerful 110 hp engine and a transmission type hydroshift, this motor grader offers exceptional control and efficiency on the job. Its compact dimensions and impressive operating specifications make it a versatile and reliable choice for construction and road maintenance projects.
Circle
Komatsu GD405A-1 Motor Grader Circle specifications
Max Lift Above Ground
14.20 in (36.07 cm)
Max Reach Outside Tires - Left
54.00 in (137.16 cm)
Max Reach Outside Tires - Right
56.00 in (142.24 cm)
Dimensions
Komatsu GD405A-1 Motor Grader Dimensions specifications
Blade Base
6.89 ft (2.10 m)
Front Ground Clearance
1.43 ft (0.44 m)
Height To Top Of Isomount Cab
10.88 ft (3.32 m)
Overall Length
23.05 ft (7.03 m)
Rear Ground Clearance
0.99 ft (0.30 m)
Tandem Axle Wheelbase
4.29 ft (1.31 m)
Wheelbase
16.08 ft (4.90 m)
Width Over Tires
7.11 ft (2.17 m)
Engine
Komatsu GD405A-1 Motor Grader Engine specifications
Displacement
396.00 cu in (6,489.29 cu cm)
Engine Make
2238
Engine Model
6D105
Max Power
110.00 hp (82.03 kw)
Net Power Gear 5-6
110.00 hp (82.03 kw)
Net Torque Gears 5-6
282.00 lbs ft (382.34 nm)
Front Axle
Komatsu GD405A-1 Motor Grader Front Axle specifications
Ground Clearance
1.50 ft (0.46 m)
Oscillation - Total
26 degrees
Wheel Lean
22 degrees
Moldboard
Komatsu GD405A-1 Motor Grader Moldboard specifications
Max Depth Of Cut
17.40 in (44.20 cm)
Moldboard Height
24.70 in (62.74 cm)
Moldboard Thickness
0.80 in (2.03 cm)
Moldboard Width
10.20 ft (3.11 m)
Operational
Komatsu GD405A-1 Motor Grader Operational specifications
Std Operation Weight - Front Axle
5,621.80 lbs (2,550.01 kg)
Std Operation Weight - Rear Axle
13,955.30 lbs (6,330.03 kg)
Std Operation Weight - Total
19,577.10 lbs (8,880.03 kg)
Tire Size
front 9.00-20-10PR, rear 11.00-20-10PR
Steering
Komatsu GD405A-1 Motor Grader Steering specifications
Articulation Angle
27 degrees
Turning Radius
18.40 ft (5.61 m)
Transmission
Komatsu GD405A-1 Motor Grader Transmission specifications
Max Speed - Forward
26.10 mph (42.00 kph)
Max Speed - Reverse
28.00 mph (45.06 kph)
Number Of Gears - Forward
6
Number Of Gears - Reverse
6
Transmission Type
hydroshift
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