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Old 01-29-2015, 11:10 AM
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Sam Mac Sam Mac is offline
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Quote:
Originally Posted by c69ss396 View Post
How I read the manual its direct drive, ie if the engine is at 3600rpms so is the pto
Quote:
Originally Posted by olds45512 View Post
I have no experience with the rear PTO on a cub but it would be pretty worthless if it ran at engine speed, it would almost have to have some kind of gear reduction so that the PTO could have the power to run implements. Take a tiller for example, there's no way a 12hp engine has enough power to run a tiller at 3600rpm in the ground, as soon as it touched the ground it would stall out or brake something.
I'm not sure about the RPM but I know it's not full engine RPM because it runs off the main shaft in the trans and that turns at a reduced speed because it is driven by the reduction gear.

Edit: Did a little research, the input gear according to Mid West Super Cub has 12 teeth and the reduction gear according to Parts Tree has 84 teeth so 84 divided by 12 is 7. Engine RPM of 3600 divided by 7 would give you 514 RPM's at the rear PTO.
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