Union Pacific 3985 - UP 3985

UP 3985.  Steam 4-6-6-4.  Designed by Union Pacific.  Built by American Locomotive in 1943.  One of 105 Challenger models produced from 1936 - 1943.  The only one still operating.

Lubricating UP 3985

Operated in "regular" service until 1957.  Retired in 1962.  Restored in the early 1980's.

Burned coal to produce steam until 1990.  At that time it was converted to operate on No. 5 oil. 

 Can run at a top speed of 70mph.