The Yosemite Mountain Sugar Pine Railroad consists of two historic steam engines: the #10 and the #15.
Built by Lima Locomotive Works of Lima OH. in March of 1928 for the Pickering Lumber Corporation’s West Side Lumber Company’s operations in Tuolumne, CA. The largest narrow gauge Shay built. Purchased from West Side Lumber Co. in 1967 by Yosemite Mountain Sugar Pine Railroad and assumed the starring role as the only steam locomotive on the old Madera Sugar Pine Company track.
Type: 3 cylinder, 3 truck Shay geared
C-3 70 ton class
Cylinder Size: 12” dia X 15” stroke
Boiler: 200 psi, superheated steam
Weight: 81.6 tons
Capacity: 1200 gals. fuel oil
3500 gals. water
Built by Lima Locomotive Works of Lima, Ohio in May of 1913 for the Sierra Nevada Wood and Lumber Co. In 1939 it was renumbered #15 and continued service through 1961. The #15 was used for various tourist operations in Tuolumne at the old West Side site. It was purchased in 1986 by the Yosemite Mountain Sugar Pine Railroad to work along side the #10 and is still in service today.
Type; 3 cylinder, 3 truck Shay geared
C-3 60 ton class
Cylinder Size: 11” dia X 12” stroke
Boiler: 200 psi saturated steam
Weight: 59 tons
Capacity: 900 gals. fuel oil
3000 gals. wate