Shantui SG18-3 motor grader adopts the external ring gear type working device to achieve higher transmitted torque. Larger blade cutting angle, and better material control capability and features the maximum traction force among the domestic like machines. This machine is applicable for large-area leveling, ditching, slope scraping, bulldozing, ripping, land clearing, and snow removing. It is an ideally essential machine for large building constructions, water conservancy projects.