In order to portray Pennsylvania Railroad and interchange partners as accurately as possible, this blog contains articles which are essentially notes to myself, but are shared should the community desire the same information.
Articles are sorted by modification date, so if an existing article receives an update it will be presented at the top of the list again.
As of 1950, the following quantities of tank cars were rostered in North America, according to the Official Railway Equipment Register (ORER). This list does not include milk tanks, vinegar tanks, pickle tanks or tanks specifically denoted for company service. Compiled by Jerry Britton.