Here are the numbers (or at least what I can find) for the fans
7 blade, 19" 914007E70
clutch 9796134
7 blade 17 3/4" 2863215 in paint (have 2 of these)
clutch 2863266
7 blade 18 1/2" P15430 no clutch
7 blade 17" 46237 no clutch
7 blade 16 3/4" TX1 in paint
clutch AK in paint
7 blade 20" no stamp/paint markings

Any help will be greatly appreciated!