- Overall Length: 30.42 ft / 9270 mm
- Width Over Tires: 9.19 ft / 2800 mm
- Wheelbase: 21.17 ft / 6450 mm
- Rear Ground Clearance: 1.35 ft / 410 mm
Published dimensions and weight
Komatsu GD705A-4
The Komatsu GD705A-4 is a motor grader powered by a 199.9 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02Std Operation Weight - Total38845.5 lb17620 kg
03Selected published values25
Motor graders are commonly used to shape, level and maintain roads, pads and drainage surfaces. Published rows for Komatsu GD705A-4 include published moldboard width of 14.2 ft / 4320 mm, published maximum power of 199.9 hp / 149 kw, published operating weight of 38845.5 lb / 17620 kg. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (30.42 ft / 9270 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width Over Tires” field (9.19 ft / 2800 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Wheelbase” field (21.17 ft / 6450 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Overall Length30.42 ft9270 mm
Width Over Tires9.19 ft2800 mm
Wheelbase21.17 ft6450 mm
Rear Ground Clearance1.35 ft410 mm
Tandem Axle Wheelbase5.68 ft1730 mm
Blade Base9.52 ft2900 mm
Height To Top Of Isomount Cab11.68 ft3560 mm
Engine
Number Of Cylinders66
Engine Make22382238
Engine ModelS6D125S6D125
Power Measured @2000 rpm2000 rpm
Max Power199.9 hp149 kw
Net Power Gears 7-8199.9 hp149 kw
Displacement674.4 cu in11.1 L
Operational
Std Operation Weight - Total38845.5 lb17620 kg
Fuel Capacity105.7 gal400 L
Tire Size16.00-24-12PR16.00-24-12PR
Steering
Articulation Angle26 degrees26 degrees
Turning Radius24.7 ft7.5 m
Transmission
Number Of Gears - Forward88
Max Speed - Forward26.8 mph43 km/h
Max Speed - Reverse28.6 mph45.9 km/h
Front Axle
Ground Clearance1.4 ft410 mm
Moldboard
Moldboard Width14.2 ft4320 mm
Moldboard Height27.6 in700 mm
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Manufacturer-published specifications.