Create a CEG Account  /  CEG Login


Komatsu GD405A-1 Motor Grader Specs

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
×

Stay Ahead of the Market

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