デュランゴ・アンド・シルバートン狭軌鉄道
The steam-powered locomotives used today on the Durango and Silverton Narrow Gauge Railroad were built during the 1920s. There are three classes, K-28, K-36 and K-37, which are all based on wheel arrangement and pulling power of the locomotive. Of the nine steam locomotives currently owned by the D&amp;SNG, Nos. 473, 476, 478, 480, 481, 482, 486 and 493 are all operational. However, locomotive No. 478 is currently sitting on display in the D&amp;SNG Museum awaiting a future overhaul.