Reply to "EMD E9 major design difference questions"

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PRR 5841 posted:
David Johnston posted:
I believe that the E units still at the UP have 645 engines. Don Bolt May have been involved in that engine change.
I believe you are correct. I understand that the UP E units are basically GP-38’s internally. This was done for easier maintenance and for crew familiarization especially regarding the GP-38 brake schedule.

Concerning the UP Executive E Units, they have only one 16-645E 2000HP prime mover (the two 12-567C engines were removed and replaced with one 16-645E). Also, concerning the air brake schedule, both A Units were up-graded to the standard (at that time) 26L system. Lastly, the electrical controls are GP38-2, NOT "GP-38" (sic).

Please not that EMD model designations do not contain dashes between the model and the series number, i.e. it is F7 (NOT F-7), GP38 (NOT GP-38), GP40 (NOT GP-40), SD50 (NOT SD-50), etc., etc., etc..

9/5/198:13 AM

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