Need help identifying this engine

It might be a Joy Line, the predecessor of Marx Trains.

I think its older than that, cant tell you what it is, but it reminds me of what I saw here in El Guacho's thread a Hafner

Or I'm wrong check it against the Girard about halfway down http://www.tcawestern.org/joy.htm

Do you have any pictures of the bottom of the motor, or the motor out of the shell?  I usually have to identify lineage from the mechanism. 

Yes I do have pictures of the undercarriage and motor. I thought it might be Joy Line at first then Ives, Hafner, but for some reason I think might be  American Flyer.

According to Greenberg's guide to prewar O gauge American flyer, you have a type XVII cast iron engine (uncatalogued) from the early 1930's. This book uses the "order of features cast on top of the boiler" to identify the various versions of cast iron wind up and electric steam locos.  The details present on your loco match Type XVII perfectly.  

I'm not sure about the undercarriage/motor. Hopefully someone else can help piece together a complete identification. 

Looks like a Flyer motor to me.  The Marx wheels were throwing me off, even though you stated they were new to the train. 

Thanks for the help everyone.  Gets me on the right track.  Now to find the correct wheels and cars to go with it.  Just got back from the Springfield MA show and saw some examples.

I agree, the wheels are very similar... but am I correct that the Dorfan wheels would have originally been tin or zinc plated?  The ones on Peter J's locomotive have the black coating typical of postwar Marx.  Plus, Peter J stated that a friend put the wheels on it.  So, I'm thinking the motor is original to the shell.

By the way... love that Dorfan locomotive! 

Both of my red and the black 155's have tin drivers. The 157 are cast.

Steve

Found some pictures from the Western Reserve Model Railroad website.  Looks like it will be cast wheels for this engine.