... No. of speeds9JS150 106. Front axleVL4/15D-7.5, Double-shoe pneumatic brake, non-driving steering axle7. Middle axleHD7/ ... ductile casting casing, with hub redactor, double reduction driving8.Rear axleHL7/015DS-13,Double-shoe pneumatic brake, ductile casting casing, ... with single sleeper, full steel skeleton structure, covered with double layer steel plate; can be tipped forwardly.14. Electric equipment ...