 2.5 ton I-BEAM
                               2.5 ton I-BEAM
                               2.5 ton I-BEAM Material:45#
 Tonnage:2.5T 
 Distance between kingpins:1472.4
 Distance between leaf springs:760
 Kingpin diameter:φ32
 Kingpin Inclination:8°
 Drop:70+34
 7.5 ton I-BEAM
                               7.5 ton I-BEAM
                               7.5 ton I-BEAM Material:42CrMo
 Tonnage:7.5T 
 Distance between kingpins:1767
 Distance between leaf springs:850
 Kingpin diameter:φ45
 Kingpin Inclination:3°
 Drop:89
 5.5 ton I-BEAM
                               5.5 ton I-BEAM
                               5.5 ton I-BEAM Material:42CrMo
 Tonnage:5.5T 
 Distance between kingpins:1853.3
 Distance between leaf springs:850
 Kingpin diameter:φ47
 Kingpin Inclination:7°
 Drop:φ16
 5 ton I-Beam
                               5 ton I-Beam
                               5 ton I-Beam Material:42CrMo
 Tonnage:4.5~6.1T 
 Distance between kingpins:1820
 Distance between leaf springs:850
 Kingpin diameter:φ45
 Kingpin Inclination:6.5°
 Drop:φ14