These are series of motor graders by Shantui which features the convenience of the operator by having an extended visibility with the capacity to view all part while on the deck. These motor grader series includes SG16-3, SG18-3 and SG21-3. Each of the model has the same characteristic but different when it come on its engine size and power rating. These three units stand for a 3rd generation product that has graduated specs and modification. Shantui makes sure that their product is the leading machine among others. With products that are efficient, durable and high quality, surely these qualities are what most of the industries require.