Railway Bogie Spring / Railway Wagon Spring is the category of Helical Coil Spring or Compression Spring which is a component used in Trains to absorbing load, bumping shock, jerk and protect direct damage on Boogies. When it compressed the Spring goes downwards from the non-functioning free height and when released it returns back to free height. Railway Bogie Spring is a safety item for Railway and essential component for Passenger Coach, Locomotive and Railway Wagon for safe running on Rail Track. Railway Wagon Spring is used on the under frame steel casting or fabricated Bogie in single pc. or 8-10 pcs. assembled unit in addition of smaller Inner Spring for extra support to the unit. Bogie Springs controls the total suspension system of coach and wagon for safe running.