Re: What is a 1,000 rpm PTO for?

Posted by J. Schwiebert on February 24, 2005 at 15:39:47 from (209.143.23.169):

In Reply to: What is a 1,000 rpm PTO for? posted by Quebec Bob on February 24, 2005 at 13:30:10:

All this related to the fact that PTO shafts transmitt torque. By increasing the speed from 540 to 1000 you can transmitt almost twice the torque. The answer with the drive shaft is a pretty good example of what is happening. Think of this, 600 Horsepower truck, large driveshaft 600 horsepower NASCAR engine. Car has a much smaller shaft, why the engine runs probably 4 times as fast as the truck, thus the torque getting to the rear wheels is 1/4 of what is going through the truck's driveshaft. I had an 80 H. P. tractor on the dynometer once and pulled down to check the torque and broke the shaft righ off. John Deere had the first 1000 RPM PTO toward the end of the 2 cylinders.

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• Re: What is a 1,000 rpm PTO for? buickanddeere 17:40:02 02/24/05 (0)

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