Quote:
Originally Posted by CADplans
If you look at the pulley sizes (pto vs mule) a 3" mule is probably running 6000 RPM.
Changing to a 2 5/8 the speed will go up 14% to 6850 RPM. 
Where do you worry about how fast that sucker is turning!!?? 
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The RPM's are not the problem, it's well within the ball bearing's range.
You will end up using a different length belt by about 1"---- BTDT on my 782.
I made up a set of solid mule pulleys using a common 203 bearing but the pulley blank was larger so I need a longer belt.
Not a real problem but it becomes a situation that you need to go to a special order belt not something that is avail @ cub cadet.