The part number for 32 and 33 gears are as follows: 60 wpm 181417 66 wpm 181419 75 wpm 184158 100 wpm 181420 The shaft gear for all above is 181411. Wayne KB1FDW **************Biggest Grammy Award surprises of all time on AOL Music. (http://music.aol.com/grammys/pictures/never-won-a-grammy?NCID=aolcmp003000000025 48)