I just created a post about this myself. I know this is an older thread but curious what happened in the end. I've got a Cub Cadet ZT1 42 that I know the deck or blade took a hit on something and they apparently aren't that tough. Mine mows off kilter and looks like crap as the blades don't...
Apparently these stamped steel decks on the ZT1 42's are fairly flimsy as I must have hit something that was tougher than it really seemed. Sometime last spring I guess it happened and ever since then, you can't balance the deck where it mows "straight". It literally looks like one spindle is...