Overview
The Komatsu GD623A-1 is a motor grader listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include fuel capacity of 75.3 gal. 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 GD623A-1 against similar motor grader models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Std Operation Weight - Total
27,998.80
lb
Max Power
155.60
hp
Moldboard Width
12.20
ft
Overall Length
27.89
ft
Full Specifications
24 specs
Dimensions
Blade Base
8.54 in / 217 mm
Height To Top Of Isomount Cab
11.44 ft / 3.49 m
Overall Length
27.89 ft / 8.50 m
Rear Ground Clearance
1.17 ft / 0.36 m
Tandem Axle Wheelbase
5.04 ft / 1.54 m
Wheelbase
19.69 ft / 6.00 m
Width Over Tires
7.86 ft / 2.40 m
Engine
Articulation Angle
26 deg
Displacement
674 cu in / 11.1 L
Engine Make
2238
Engine Model
6D125
Fuel Capacity
75.30 gal / 285.0 L
Ground Clearance
1.20 ft / 0.37 m
Max Power
156 hp / 116.0 kW
Max Speed - Forward
28.90 mph / 46.5 km/h
Max Speed - Reverse
35.30 mph / 56.8 km/h
Moldboard Height
25.40 in / 645 mm
Moldboard Width
12.20 ft / 3.72 m
Net Power Gear 5-6
156 hp / 116.0 kW
Number Of Gears - Forward
6
Number of Cylinders
6
Power Measured @
2,200 rpm
Std Operation Weight - Total
27,999 lb / 12,700 kg
Turning Radius
22.70 ft / 6.92 m
Related Machines
Frequently Asked Questions
How does the Komatsu GD623A-1 compare to similar Motor Grader models? +
You can compare the Komatsu GD623A-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.