Denver & Rio Grande Western Steam Locomotive No. 491 (N)

D&RGW Railroad Steam Locomotive No. 491 is the largest operating narrow gauge steam locomotive in the western hemisphere. Locomotive 491 is truly a “Colorado original” having been built entirely in Colorado during the spring of 1928 through a cooperative effort between the Stearns-Roger Manufacturing Company of Denver and the D&RGW Denver Burnham Shops.