Documentary on Union Pacific 3985.

Skip to 2:57 to avoid me talking. I DO NOT OWN ANY OF THIS, ALL COPYRIGHTS, GO TO BA PRODUCTIONS, THE UP STEAM CREW & EVERYONE IN THE END CREDITS. IF YOU OWN ANY OF THIS & WANT IT REMOVED, RATHER THAN FLAG IT & GIVE ME COPYRIGHT STRIKES, PLEASE JUST COMMENT BELOW & ILL RECIEVE A NOTIFICATION OF YOUR COMMENT & WHEN I SEE IT ILL REMOVE THE VIDEO, THANKS. show was produced by the union pacific steam crew about the 3985. Some stats about 3985 listed below. (source wikipedia)

Stats on 3985:
Builder American Locomotive Company (ALCO)
Serial number 70,174
Build date July 1943
Configuration 4-6-6-4
Gauge 4 ft 8 1⁄2 in (standard gauge)
Driver diameter 69 in
Adhesive weight 404,000 pounds or 202 tons
Total weight 1,073,900 pounds or 536.95 tons
Boiler pressure 280 psi
Cylinders Four
Cylinder size 21 in × 32 in
Power output 5,000 hp
Tractive effort 97,350 lbs
Factor of adhesion 4.15
Operators Union Pacific Railroad
Number in class 11 of 25
Nicknames "Challenger"
Last run 1957
Retired 1962
Restored 1981
Disposition 1472-day rebuild, based in Cheyenne, Wyoming, at roundhouse