I own two 15 year old Fleischmann locs setup for analog AC use (from factory). I'm gettng back into the hobby after about 20 years and do not have a layout or power (moved to another continent) to do testing yet.
Does anybody know whether Fleischmann used AC or DC motors in these loc's?
They have an electronic relay for reverse and forward but it is encased in plastic so its hard to see what components are used. And without power or a track I can't put signals on a scope. I want to try and get both these loc's converted so they can be used with Marklin Systems.
So next question is what decoder to use. And can the factory motor be used?

Welcome to the forum Tom. Have a look at Helmut Kern's website under Fleischmann, and you may be able to get details of what motor type your locos have. http://www.hfkern.gmxhome.de/ Under the column 'Strom' should be indicated whether the motor is AC or DC.

If you use an ESU Lokpilot, that type of decoder can work with either AC or DC motors, but you get load regulation with DC motors.

I don't know Fleischmann in practice, but I would be very surprised if they had i "any-current motors" (what you call AC-motors) with field coils. The logical is that they had an extra relay producing the DC to the motor, just as Roco and Lima did, and is always done today with the decoders.
/Lars

Thank you all for the replies. I've looked around on the different web sites and checked out the engine. Seems its a DC motor where the electronic reversing relay also has a bridge converter to go from AC to DC. The proposed ESU decoder would work great for this. There is a MFX loksound decoder that according to the ESU website runs AC, DC and coreless motors. So I feel a lot better now, knowing I can use these really nicely detailed engines in the future.
Thanks again.