Model SGJ9390TJZG Trailer Type 40 inch semi-trailer Dimension(L譝譎)(mm) 12410?480?470 Axles number 3 Wheelbase 7500+1305+1305 Spring Leaf(Front/Rear) 7/7/7,8/8/8 Quantity of TYRE 12 Wheel Span(mm) 1820/1820/1820 TYRE Size 10.00-20,11.00-20,11.00R20 MAX Total Mass(kg) 39000 Capacity Load(kg) 33000 Tare(kg) 6000 The MAX weight acting at the King pin(kg) 15000 Kingpin Setting/Rear Setting(mm) /1310 Discriptlon 86 Remark The parameter above is for your reference 　only.