I own 2 MTH UP FEF's. Both are part # 20-3044-1 and both cab #844. They have 5V boards. I have a few ?s about these... 1st are the tenders and engines interchangable? If so, how does this effect DCS, if at all? Is it important or necessary to keep the engine with the tender it was with originally? (They are currently) I am considering running them double headed with DCS. Will the load into the remote under different address and be recognized separately? Just curious if there are any "beware of ..." Before i start messing around with these...
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