Last updated October 16, 2008
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Trainiax --> Drawings --> Locomotive Phases
Trainiax --> Info --> Locomotive Phases
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| Locomotive Phases |
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Phases refer to incremental changes or improvements over a the production of a locomotive model.  They often indicate minor cosmetic differences and are thus rarely, if ever, used by railroads and builders.  They are not official model designations.

Where possible, I've based phase information off existing, well-known phase descriptions.  In other cases, I've created my own phase distinctions reflecting the differences I've noticed when making drawings of the models in question.  This is particularly true of recent models, such as the SD70M, SD70ACe and AC4400CW.

By model
EMD SD70M
EMD SD70ACe

By category
These are among my older phase descriptions.  Listings in these sections will be removed as sections are created for individual models.

4-axle EMD Locomotives
6-axle EMD Locomotives
4-axle GE Locomotives
6-axle GE Locomotives
6-axle ALCO Locomotives

| References |

 

"Diesel Locomotive Rosters."  http://users.inna.net/~jaydeet/rosters.htm

"Locodata - The Locomotive Data Website." http://locodata.info/

"The UNofficial EMD Homepage." http://www.trainweb.org/emdloco/
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Michael Eby 2008