Suspension
Mechanical suspension Or air suspension
Leaf Spring
Leaf spring or air bag
King pin
50# bolt-in king pin
Landing Gear
JOST brand two-speed, manual operating ,heavy duty landing gear
Braking system
WABCO RE6 relay valve ;T30/30 spring brake chamber;40L air tanks
Wheel rim
8.5-20,9.0-20,8.25-22.5,9.0-22.5 steel wheel rim optional upon choice
Floor and side wall
8 mm floor,6mm side wall