Posted 6/10/2017 15:11 (#6063786 - in reply to #6061551) Subject: RE: Dual hubs for 4640
SE MN
3 and 1/4 diameter 9 bolt w/ 3 c-clamps. I bought them new 25 yrs ago for my 1206 and recently took them off to restore the tractor. Once on, once off----threads are perfect. 5072732130