Pennsy steam prowess By Angela Cotey | September 20, 2019 | Last updated on January 6, 2021 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates A Pennsylvania Railroad T1 4-4-4-4 pauses with an eastbound train at Fort Wayne, Ind. The railroad had 52 such “duplex” steam locomotives, along with other wheel arrangements. Robert A. Hadley photo