four air spring rear suspension system Features:1) Four connecting rods guiding structure, ... airbag distance, big H-arm and dependent drive axle suspension 2) Equipped with 2-side hydraulic telescopic shock ... load: 10,000 - 14,000kg4) Wheel thread: 1,800 - 1,860mm5) The fixing height of the air bags ... 1,500mm8) The deflection frequency of the system: 1.15 - 1.3Hz four air spring rear suspension system