Thanks for the answers. I took Startech's advice and meticulously looked for bearing slop. With no belt on, I found one blade spindle showing the tiniest amount of play.... the John Deere mechanic said it was fine. But, I removed all 4 spindle bearings and found one bottom bearing not as...
New here. Deere 2012 x300 178 hrs. 38" deck deck belts started breaking 2 seasons ago; past months have gone through 5 belts; They are Amazon OEM kevlar banded belts. They SNAP. 2 belts back I replaced the PTO with: HiTorque 130ftlb BIGBearing Blade Clutch & 10A PTO Switch OEM Upgrade fits...