Buy Suspension Title: 11T Tandem Suspension Single Axle for Semi-trailer Suspension (with ten 13*75 leaf springs) Product description: Drawings A A1, A2, A3 are no-load dimensions, A* A1*, A2*, A3* are fixed load (for reference only) U-bolt and nut pre-tightening distance is 500N.M-540N.M The pre-tightening force of the balance beam shaft nut is 290N.M-350N.M, the pre-tightening force of the connecting rod elastic bolt is 90N.M-100N.M, and the pre-tightening force of the plate spring resistance bolt is 75N.M-85N.M, Available with round shaft or square shaft, and the number of leaf springs can be selected. We are a professional Chinese manufacturer, 1, global supply and so on. 2. Professional performance car parts supplier. Packing: wooden case or wooden pallet/plastic pallet Shipping: Air/Sea/Truck MOQ: 1psBuy Suspension website:http://www.yahuamachinery.com/semi-trailer-parts/suspension/