Posted 7/22/2026 07:35 (#11706953 - in reply to #11706689) Subject: RE: Massey 8780xp combine rotor gear box vibration
SW MN
I have 9540, cracking on right angle gear box mount, Not rotor drive. But I had the pulley re-balanced, he said it was off. I assume this is a new issue since rebuild? I think the rotor can be balanced in the machine. This crap can get Very Frustrating ... post your cure..