Overview
The Komatsu GD405A-1 is a motor grader listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. The page includes structured technical data such as dimensions, operating information, drivetrain details, capacities, and performance-related specifications where available. This model can be reviewed for equipment comparison, jobsite planning, fleet research, and specification-based machine selection. Use the full specifications table to compare the Komatsu GD405A-1 against similar motor grader models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Std Operation Weight - Total
19,577.10
lb
Max Power
110
hp
Moldboard Width
10.20
ft
Overall Length
23.05
ft
Full Specifications
34 specs
Dimensions
Blade Base
6.89 in / 175 mm
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
6D105
5
Articulation Angle
27 deg
Displacement
396 cu in / 6.5 L
Engine Make
2238
Engine Model
6D105
Ground Clearance
1.50 ft / 0.46 m
Max Depth Of Cut
17.40 ft / 5.30 m
Max Power
110 hp / 82.0 kW
Max Speed - Forward
26.10 mph / 42.0 km/h
Max Speed - Reverse
28 mph / 45.1 km/h
Moldboard Height
24.70 in / 627 mm
Moldboard Thickness
0.80 in / 20 mm
Moldboard Width
10.20 ft / 3.11 m
Net Power Gear 5-6
110 hp / 82.0 kW
Net Torque Gears 5-6
282 lb-ft / 382 Nm
Number Of Gears - Forward
6
Number Of Gears - Reverse
6
Oscillation - Total
26 deg
Std Operation Weight - Front Axle
5,622 lb / 2,550 kg
Std Operation Weight - Rear Axle
13,955 lb / 6,330 kg
Std Operation Weight - Total
19,577 lb / 8,880 kg
Turning Radius
18.40 ft / 5.61 m
Wheel Lean
22 deg
Hydraulics
Max Lift Above Ground
14.20 in / 361 mm
Max Reach Outside Tires - Left
54 ft / 16.46 m
Max Reach Outside Tires - Right
56 ft / 17.07 m
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Frequently Asked Questions
How does the Komatsu GD405A-1 compare to similar Motor Grader models? +
You can compare the Komatsu GD405A-1 side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.