Mechanical Suspension for Semi-trailer. 
Capacity:2 x 10, 2 x 12, 2 x 13, 2 x 16 tons, 3 x 10, 3 x 12, 3 x 13, 3 x 16 tons. 
Fabricated or casting type.Can be same design as FUWA, YTE, BPW, ROR, MERITOR.