Posted by Texasmark1 on October 11, 2018 at 05:40:35 from (75.107.74.117):
In Reply to: PTO Shafts posted by John M on October 11, 2018 at 05:23:13:
CV stands for constant velocity and is used where vibration at high turning angles can be a problem. U joints singly, are prone to vibrations due to shaft lengths being different along the length of the power train. One shaft is driving and the other being driven. If they aren't traveling at the same speed due to different lengths, they vibrate with it increasing as the turning angle increases and the speed difference increases.
On a 3 pt mounted mower U joint shafts work just fine. Only when you get into pull type does it matter (because the joint is now subject to lateral and vertical loads) and the CV excels....BTDT ASC stocks the shafts and their cheap ones work just fine....BTDT They come in different power ratings so you need to buy the one to fit your requirements. If you have a problem answering that question call them and speak with a rep. who will walk you through it. BTDT
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