For what it's worth, if you are attempting to model the 4014, or even the 3985 and 844, there are two "turbogenerators" (actually called Dynamos) , ever since the cab signal equipment was up-graded the the combined UP - CNW solid-state system. Thus the requirement for more wattage, because every time the radio was keyed to transmit, the cab signal equipment would drop-out. Check prototype photos of 844, 3985, and 4014 over the last 15 or more years and you will see twin dynamos, on the Fireman's side.
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