Union Pacific Diesel Locomotive Painting, Lettering & Numbering
This page was last updated on June 30, 2015.
Union Pacific Diesel Paint Schemes
A narrative history of the paint schemes used on UP's diesel locomotives, with some reference to steam locomotives, freight cars and cabooses.
Classic Era, 1934 to 1982 -- Information about the painting, lettering and numbering used by Union Pacific between 1934 and 1982.
Merger Era, 1983 to 2000 -- Information about the painting, lettering and numbering used by Union Pacific between 1983 and 2000, including brief summaries of changes to former WP, MKT, and C&NW locomotives.
- Former Missouri Pacific (MoPac) locomotives.
- Former Southern Pacific, Cotton Belt (SSW), and D&RGW locomotives.
Modern Era, 2000 to 2009 -- Information about the painting, lettering and numbering used by Union Pacific on new and repainted units after 2000, including lightning stripes, wings, flags, white roofs, and yellow frame stripes. (Will not be updated with changes after 2009.)
Union Pacific and Scotchlite -- Information about Union Pacific's use of Scotchlite reflective tape.
Union Pacific's Yellow Stripe -- Information about Union Pacific's use of a yellow frame stripe, starting in 2005.
SD70ACe Units, Red Stripe, Yellow Stripe -- A listing of new SD70ACE units delivered in 2005, some with red frame stripe, and some with yellow frame stripe.
"Patch Job" Locomotives -- A list of UP locomotives that are known or are likely to have been temporarily renumbered during the year 2000, using a cab side yellow patch, but which retain their original C&NW, SP/SSW, or D&RGW colors. (Will not be updated after February 19, 2001.)
"We Will Deliver" -- A list of UP locomotives that were lettered with the "We Will Deliver" slogan between April and December 1996.
Union Pacific's Gothic Lettering -- A summary of UP's use of Gothic lettering, first used on steam locomotives in 1937, and on Streamliners and freight cars in 1939.
DDA40X Centennial, 'Railroad' on Medallion -- A listing of UP's 6900-class locomotives, showing which units had the word 'Railroad' on their medallion.
UP Diesel Locomotive PL&N Drawings -- A listing of the Painting Lettering & Numbering drawings for many of UP's diesel locomotives.
DuPont Paints -- A narrative history of the paints made by Du Pont, which have been used by America's railroads.
HTML Colors -- A page with information about simulating UP colors using HTML coding.
History of the Union Pacific Logo -- A history of the logos used by Union Pacific, at UP's own web site.