21st Century Diesel Spotting?

Railroadforums.com is a free online Railroad Discussion Forum and Railroad Photo Gallery for railroaders, railfans, model railroaders and anyone else who is interested in railroads. We cover a wide variety of topics, including freight trains, passenger and commuter railroads, rail news and information, tourist railroads, railway museums and railroad history.

Ed Sand

General Idiot
Like an insect stuck in amber, my ability to distinguish models of diesel seems to have frozen at about 1980. Now, to my surprise, I've found that I have a need to be able to tell an Evo from an Ace.

I've seen there was a revision to The Diesel Spotter's Guide about a decade ago, but is there anything (online or paper) that people would recommend to bring me up to date?


Addicted to 710/645's
Diesel spotting

Google is your friend....there are numerous rosters which can help id locomotives/numbers, then its a short step to decipher what you see trackside.....my reference is frozen around 2004ish, so I feel you there....

Tower 55

Its DGNO. Not Dingo!
The ACe will have a boxier nose profile, the EVO will have a more angular nose.

The ACE will look like larger versions of the rads on a SD45, the EVO will look like it is two-piece with several different angles.


New Member
I don't know about other class one's, but both CSX and NS have the type of locomotive in small text under the Number. That is if you have good enough eyesight to see it. :p

RailroadForums.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com

RailroadBookstore.com - An online railroad bookstore featuring a curated selection of new and used railroad books. Railroad pictorials, railroad history, steam locomotives, passenger trains, modern railroading. Hundreds of titles available, most at discount prices! We also have a video and children's book section.

ModelRailroadBookstore.com - An online model railroad bookstore featuring a curated selection of new and used books. Layout design, track plans, scenery and structure building, wiring, DCC, Tinplate, Toy Trains, Price Guides and more.

Affiliate Disclosure: We may receive a commision from some of the links and ads shown on this website (Learn More Here)