Hello Railfans i was reading an article and the auther said P42 DC and i didint quite understand, so does this mean theirs other variantes of P42s. can someone please explain this to me. that would be just great. [:^)]
While Wikipedia is hardly the best source, the article on the Genesis series is not bad:
The only variants are the cab set ups.
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A few are set to run with AEM-7s mostly at night when some CAT is turned off
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Some have ACSES cab signaling for the NEC
3… Some have ITCS for Detroit - CHI - STL,
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Some have CSX & NS cab signaling
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Some have UP’s ATC cab signals
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Some have ATS for some Santa Fe and Metrolink services.
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To complicate items further many of the locos have more than one type of cab signaling installed.