Pennsy J1a at the Columbus coal dock By Angela Cotey | April 4, 2023 | Last updated on August 8, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Pennsylvania J1a 2-10-4 6483, one of 125 J1’s and J1a’s the PRR built at its Altoona shops in 1942–44 to the plans of Chesapeake & Ohio’s class T-1, stands under the coal dock at Columbus, Ohio, in July 1950. Classic Trains coll.