Bogie for subway train I. Main Technical Prerequisites: Security is the one Criterion Bogie body castings usually are not everyday cast iron elements. They bear all the weight on the auto physique and passengers and constantly face up to several impacts and vibrations within the track. Their technical specifications revolve https://expressafrica.net/post/400447_in-curved-sections-or-areas-with-frequent-braking-the-surface-of-the-rail-will-d.html