Convert your old Tomy motorized Gordon to use a 9 Volt battery. This should work with all of the trains that take a C cell in the tender. Watch my Lego rocket . Hi all I started this mod on my Tomy Gordon a couple of weeks ago as an experiment and a realistic speed and power increase alternative to the 9v mod many . Ho hey guys, this is the easy way to convert Diesel 10 from 1.5 volt to 9 volt battery and back again to his standard C battery. You can see in my recent vids that . I rigged my track master Gordon with a nine volt battery and set him loose on the rails.