#104 was an ex-CB&Q Class H-2, purchased in 1927, long after the heyday of the H-2 engines. The development of the 2-6-0s peaked in the late 1800s, so many of the engines bought by the Buffalo Railway, such as the #104, did not have superheating, piston valves, etc. The 2-8-0, with greater track adhesion, also overshadowed it when it began production in 1866. The fate of the #104 is unknown. Be sure to view the #105 nearby.