Posted 12/20/2011 10:23 (#2113965 - in reply to #2113650) Subject: Re: 9530 vs. 9630
SW, Manitoba
Have you used them on a 9530 or just a 30 series tractor? I would be worried about using it on a 9630, but for an engine and drivetrain that are already tuned down, figured this would be an option at least.