VIDEO: UP Big Boy disassembly complete, parts fabrication underway

Trains Industry Newsletter
Get a weekly roundup of the industry news you need.
By signing up you may also receive occasional reader surveys and special offers from Trains magazine. View our privacy policy.

CHEYENNE, Wyo. — Fabrication work is underway for Union Pacific 4-8-8-4 Big Boy No. 4014. UP steam workers have finished disassembling the boiler to allow workers to access the frame and fabricate new internal parts before the locomotive can be reassembled.

Ed Dickens, senior manager of heritage operations, says the disassembly was a “moment of amazement,” saying that fully removing the boiler from the rest of the locomotive “hasn’t been seen around here since the mid-1950s.”

Shop workers have made new rod brasses, top boiler check valve parts, and lubricator check valves. The various parts will be installed, along with several new boiler components soon.

Dickens and the steam crew say that UP Northern-type 4-8-4 No. 844’s annual inspection is nearly finished, hinting that the locomotive may be out on the railroad’s mainline again in 2017.

“There are some trips currently being considered, but nothing to announce yet,” said Dickens about No. 844.

All of the railroad’s steam restoration projects take place at its shop complex in Cheyenne.

CORRECTION: An earlier version of this report included a reference to new wheelset manufacture. Union Pacific steam crews are only inspecting wheelsets at this time.
Feb. 3, 2017, 9:59 a.m. Central time.

NEWSWIRETrains News Wire

  • Previous Day
  • February 02, 2017
  • Next Day
Leave a Comment
Want to leave a comment?
Only registered members of are allowed to leave comments. Registration is FREE and only takes a couple minutes.

Login or Register now.
Please keep your feedback on-topic and respectful. Trains staffers reserve the right to edit or delete any comments.
Winter on the Rails

Winter on the Rails

Railroading to the arctic.


Learn more about the stories and photos in this months issue

Newsletter Sign-Up

By signing up you may also receive occasional reader surveys and special offers from Trains magazine.Please view our privacy policy
Subscribe Up To 54% off the newsstand price!
Subscribe To Trains Mag Today