Rock Island No. 1644 is a 2-8-0 built by Alco-Brooks in 1903.
It was converted into a heavy 2-8-0 switch engine and was renumbered to #444.
Trivia[]
- It was one of the steam locomotives from the first ground of 2-8-0s acquired by the CR&P.
- The 1600s were delivered with "Mailbox" whistles.