RandallW wrote:Note also that Alaska railroad is not using "standard power", but is using specially equipped SD70s that carry HEP generators in the locomotive.
Fact check: there's not a dedicated HEP generator on the ARR locomotives or the Metra SD70MACHs.
They're standard SD70s with the ability to switch one of the inverters from feeding the center axle traction motors over to provide HEP.
You're partially correct that's not a standard option, but the locomotives are equally qualified to haul freight in the standard configuration.
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