Subscriber & Member Login

Login, or register today to interact in our online community, comment on articles, receive our newsletter, manage your account online and more!

Prototype drawings of Union Pacific Big Boy 4-8-8-4 steam locomotive

Check out this vintage drawing from the March 1954 Model Railroader
Bigboy1954
Click on the image or link to download a PDF of this drawing of the Union Pacific Big Boy
In 1941 the Union Pacific RR took delivery of its first 4-8-8-4 single-expansion articulated steam locomotives. Aptly named "Big Boy," these 7,000 hp, 386-ton locomotives were the heaviest and among the most powerful simple articulateds ever built. Click on the link below to download this vintage prototype drawing from the March 1954 Model Railroader. For more vintage articles, be sure to check out the Model Railroader Digital Archive.
Downloadable File(s)

Join the discussion

Read and share your comments on this article
Comment on this article
Want to leave a comment?
Only registered members of ModelRailroader.com are allowed to comment on this article. Registration is FREE and only takes a couple minutes.

Login or Register now.
0 comments
FREE PDF

FREE PDF

Plan and design an around the room track plan.

ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT
Model Railroader Newsletter See all
Sign up for our FREE e-newsletter and get model railroad news in your inbox!
By signing up you may also receive occasional reader surveys and special offers from Model Railroader magazine. Please view our privacy policy