Reply to "MTH B&A J-2c Hudson LEGACY Conversion (FINAL VIDEO)."

Sid's TrainsOGR Forum Member

@Norton posted:
The issue isn't max voltage rating but rather stall current. A 12v motor of similar construction will have a higher stall current. Also greater starting torque. Since Lionel used 12 and 15 volt Pittmans interchangably in their TMCC engines I am pretty sure its not an issue in their Legacy engines. For sure putting a 15v motor in an engine that came with a 12v one won't harm the engine. It just may not pull as cleanly from a stop with a string of cars.
Pete

Yes Norton you are correct. I had stall current issues with one of my upgrades and resolved it with a Pittman. Also if there are any compatibility issues the RCMC or BEMC will go into stall mode and give you the cab error light. Either way it is fine and I personally see no issues with using a 12v vs 15v.

1/19/219:38 AM

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