MTH has produced some Ma&Pa diesels and rolling stock including a bobber caboose and a woodside caboose. MTH may have also produced/imported a Ma & Pa steamer in the Premier line as well. A galloping goose was produced by MTH in Ma & Pa livery, however, the railroad never owned one. MTH also made a set of the old boxcars and I think some Overton passenger cars in Ma & Pa livery too.
Of course the MTH products are in 3 rail not hard core serious 2 rail, however it's good enough for me. I have several pieces including a Railking SW 1 number 81, a Premier woodside 50 ton hopper and woodside caboose. In RK rolling stock I have the MA & PA trailer on flat car, box car, and a couple of 4 bay hoppers.
It was a pretty neat little railroad with its own charm.
