Semi-trailer Specification: 1. Axles is made from high-qualified alley steel, with a storage of name-branded axles such as germany bpw, u.S kic, fuwa, lt , kedy and so on. 2. King pin Germany jost king pin 3. Landing gear jost , kic, fuwa, tym and others 4.Suspension Japan technology new tokyo spring suspension 5.Braking valve 100% originated from u.S sealco and germany wabco (2).Technology parameter list: Name of productFm9400tjz wall semitrailer Size(mm):lxwxh(mm)12400x2500x2750 Number of axles3 Wheel base(mm)7170+1310+1310 Number of steel platef+s spring leaves7 /7/ 7 Specification of tires11.00-20 Number of tires12 Track(front /middle/rear)(mm) 1840/1840/1840 Total mass(kg)39680 Maximum laden mass(kg)31700 Axle load(kg)23950(parallely 3 axles installed ) Complete vehicle kerb mass(kg)7980 Maximum authorized load-bearing mass of semi-trailer saddle(kg)15730 Approach angel(f·)-/21 Departure angel(mm)-/1860