Posted 8/29/2015 21:24 (#4760088 - in reply to #4760078) Subject: RE: Advice on replacing disk blades ( front or rear )
S.E. Iowa
I did my 490 3 years ago, I think I put 20 inch notched on the front. Afterward I realized I could have went to 22's and I wish I would have. You might check into that. FWIW got mine from shoup.