Motor Grader
SEM Hire Specs presents detailed technical data for motor graders, the primary machines for precision road building and maintenance. Our catalogue outlines key variables such as moldboard (blade) width, articulation angles, and variable horsepower ratings. This information is curated to assist civil contractors and local councils in selecting graders that offer the exact control and power required for final trim work, sub-division construction, and haul road maintenance.
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Cat 12 Motor Grader Specifications
Net Power
115 hp
Operating Weight
12.6 t

John Deere 870G Motor Grader Specifications
Net Power
300 hp
Operating Weight
20.7 t
Volvo G930 Motor Grader Specifications
Net Power
155 hp
Operating Weight
15.8 t
Volvo G940 Motor Grader Specifications
Net Power
215 hp
Operating Weight
16.4 t
Volvo G946 Motor Grader Specifications
Net Power
265 hp
Operating Weight
17.3 t
Volvo G960 Motor Grader Specifications
Net Power
195 hp
Operating Weight
15.8 t
Volvo G970 Motor Grader Specifications
Net Power
265 hp
Operating Weight
18.9 t
Volvo G976 Motor Grader Specifications
Net Power
265 hp
Operating Weight
19.8 t
Volvo G990 Motor Grader Specifications
Net Power
265 hp
Operating Weight
22.1 t

Komatsu GD655-7R Motor Grader Specifications
Net Power
218 hp
Operating Weight
17.58 t

Komatsu GD675-5 Motor Grader Specifications
Net Power
220 hp
Operating Weight
17.3 t

Komatsu GD825A-2 Motor Grader Specifications
Net Power
280 hp
Operating Weight
26.4 t
Motor Grader Frequently Asked Questions
Motor graders are technically complex machines requiring precise specifications for optimal results. We have answered common questions regarding grader capabilities and configurations to assist in your equipment selection process.
The blade width determines the pass width and the volume of material the grader can move. A wider blade (e.g., 14ft vs 12ft) increases productivity on open roads but may be less manoeuvrable in tighter subdivisions.
Articulation allows the grader’s frame to bend behind the cab, enabling a tighter turning radius and allowing the machine to drive in a ‘crab’ position. This is essential for grading on curves and keeping the drive tyres on stable ground while the blade works a slope.
Yes. AWD models provide traction to the front wheels, which is superior for working on slopes or in loose material where the front end might otherwise slide. Tandem drive powers only the rear wheels and is standard for flat grading.
A heavier grader generally provides better traction and blade down-pressure, which allows it to cut through harder packed material without the blade ‘skipping’ across the surface.
Certainly. SEM Hire provides high-quality motor graders for civil and mining projects. Let us know which specifications are critical for your job, and we will match you with the right machine from our fleet.
Reliable machinery for every project
Quality performance for construction industry needs.