St. Louis, Iron Mountain & Southern #625, was a 4-6-0 10-Wheeler, also known as Missouri Pacific #2707, built in 1889 by Baldwin Locomotives. This was one beautiful workhorse. Engine #635 was used to haul iron ore from Iron Mountain, MO, to St. Louis. In 1917, due to a merger, the engine became part of the MOPAC Railroad. Weighs 147,300 pounds and has 61" drivers.