#20006 - Brass Flywheels - Fits Multiple (See Description) fits 2mm motor shafts
#20006 - Brass Flywheels - flywheels have ball coupling pressed into one end. This is the original Athearn ball and finger coupling style. Ball diameter is .156 " or 3.93mm
Fits: Mashima and other can motors when used in scale width hood units such as; Atlas, Athearn, SD40-2, SD40T-2, GP40, etc., Mantua GP20, Bachmann GP30, DDA40X & BQ23-7, AHM RS-2 & SD40 & stock motored Atlas units. Also fits many scale width hood brass imports, plastic Rail Power Products and other plastic diesels.