... rear suspension system Features:1) Four connecting rods guiding structure, big airbag ... and high regulator valve 3) Can match front axle of Baotou, Sitair, Dongfeng, Xiangfan, Dongfeng Hangzhouand Fangsheng ... axis load: 10,000 - 13,000kg2) The width of the classis frame: 861, 940mm3) Designed axis load: ... : 90mm)7) The span of the air bags: 1,500mm8) The deflection frequency of the system: 1.15 - 1.3Hz ...