The A4 has been built in five generations and is based on the Volkswagen Group B platform. The first generation A4 succeeded the Audi 80. The automaker's internal numbering treats the A4 as a continuation of the Audi 80 lineage, with the initial A4 design
C5 ball screw is grinding ball screw which the accuracy can reach ±0.0018mm. The feature is with high precision, wear resistant, long life. But the production time is longer than rolled ball screw. It needs about 7-30 days to produce good quality grinding
1.Load sensing steering system improves working efficiency;2.Optimal transmission ratio increases travelling speed;3.The truck which applying casted steering axle with huge steering angle could decrease steering radius.