we adopt high-quality raw material ,advanced technology and strict quality management to assure the product quality . AOTONG model Trailer axle main technical details : (1) Capacity :8ton ,9ton ,12 ton 13 ton ,14ton ,16 ton ,18 ton ,20 ton (2) Track : 1840 ,1850 mm (3) Brake : 420x180,420x200,420x220mm(4) Spring seat installation : <=455mm (5) Axle beam : square 150 mm (6) PCD : 335, 285.75 mm (7 ...