Model TU-10826 6 volt 124 128 129 Model TU-10786 and10786A 6 volt 126-1926 5 bearing crank Model O 10004,10004-A,10000 12 volt 1918 to late 1926 Model TU-10836 6 volt 1928 Senior Six Model TU-10846 6 volt twin points 1928 Victory Six and Stanard Six ModelTBU-10845 6 volt single pionts 1929 Dodge Brothers Six Model TBU -10846-A 6 volt twin points 1929 SEnior Six ModelTBU- 10849 6 volt single points 1930 DD Thats the main listing of TU and TBU distributors, The TBU housing in so