Forum for the discussion of the Budd Company and Budd-Thyssen through bankruptcy. Wiki:

Moderator: John_Perkowski

  by Jeff Smith ... annel=news
The company was also known for another innovation, the Rail Diesel Car (RDC), also called the “Buddliner” or, more simply, the “Budd Car”: a diesel multiple-unit (DMU), different from those that run today. It was a self-propelled unit that provided service on many lightly patronized lines, often as the last passenger equipment a railroad ran during the final days of its passenger service.
Almost 400 RDCs were built by the Budd Company, starting in 1949 and continuing until 1962. They consisted of an 85-foot-long standard coach body with a diesel engine under the floor and the Budd Company’s distinctive stainless-steel construction. There were five models available. The RDC-1 held 90 passengers, the RDC-2 held 70 passengers and had a baggage compartment, the RDC-3 held 48 passengers and had both a baggage compartment and a Railway Post Office (RPO) for mail, the RDC-9 held 94 passengers and used a less-powerful engine, and the RDC-4 was a 73-foot RPO and baggage car. The RDC-9 also had no cab and was designed to be used along with one or more powered cars.

  by Erie-Lackawanna
One nit to pick: the SPVs never ran to Port Jervis.