they can Contact their shipping rep in the USPS . they will come out to visit , examine your product and advise how to properly package and ship. FOR FREE, no charge for the visit. The post office has shrunk from 500k to around 110 K in personnel in the last decade, AUTOMATION is the current trend! AND we deliver more packages now than we ever have . Its the first class letter mail that has dropped off , Packages have increased. When you mail a package today when the clerk places it in a post con thats the last time a human touches it until it gets to the destination Post Office , It is all done by robots and conveyor belts, , and yes they do drop onto belts, into post cons sometimes . The Guys supplying the ALTS do need to improve their shipping containers! my alt came quickly and i had no problems , but the box was a wreak . the alt is simply poorly packed for its weight ! FACT. Best method for an altenator is a foamed in place box The Air force even ships Jet Engines in cardboard , foamed in place boxes , albeit the small ones .