Hy alltruck72, the following seal numbers are for a Chelsea p.t.o., which is possibly what central became, these are CR numbers
output shaft w/2.066" Seal O.D. p/n 12530
w/3.005" Seal O.D. p/n 21163
shifter shaft w/1.379" Seal O.D. p/n 6816
w/1.503" Seal O.D. p/n 8700
if these don't seem appropriate, just post the sizes you come up with and we'll see what we can come up with, hope that helps.