SG21 Hydralic Motor Grader with the large traction,high efficiency, simple operation, easy maintenance,large torque reserves.Working device with external ring gear transmission,smooth transmission,so as to ensure the steady output power of the machine under the harsh working condition, and satisfy the operation requirements of the users.The equipment is suitable for large ground leveling work in foundation engineering and can also be used for ttrenching,scraping,bulldozing,ripping and snow removal operations.It is a  multi-purpose high efficient modern construction equipment for the construction of high grade highways, railways, airports, ports, industrial sites and farmland leveling.


1.It adopts electro hydraulic control power shift transmission,to choose the best gear according to operating conditions,to achieve the best combination of walking and work.

2.Three section integral drive axle,the built-in import automatic anti slip differential,the transmission is stable and reliable.

3.Balance box swing up and down 15 ° angle,heavy roller chain drive,so that the machine has a better terrain adaptability,stable power output,strong driving force.

4.It adopts well-known brand double gear pump,multi-channel control valve and hydraulic cylinder and other key components,high efficiency,stable performance, long service life.

5.Driving brake system using well-known brands of brake valves and flushing valve, greatly improving the reliability of the brake.

6.With a large angle steering and front wheel steering,steering flexible,stable and reliable.


Model SG21
Length × width × height (mm) 9430×2600×3400
Working weight (t) 17
Engine model 6CTAA8.3-C215
Rated Power (kW/rpm)   160(215HP)/2200
Speed (km/h) 5.4~39.7
 Minimum turning radius (mm) 8200
Blade size (mm) 3660、3965、4270/635
Rated working pressure (MPa) 16


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