Posted by Bob on December 16, 2017 at 12:05:09 from (64.255.159.199):
In Reply to: pto rpm posted by 88-1175 on December 15, 2017 at 21:38:07:
[quote="CVPost-David G"](quoted from post at 09:24:46 12/16/17) I think most governors would run wide open around the 540 RPM./quote]
What one would THINK doesn't always hold true. High idle on many tractors was quite a bit above rated PTO speed.
Using a simple Ford 8N as an example, 1500 engine RPM's gave approximately 545 RPM's at the PTO, rated engine speed was 2000 RPM's, giving a PTO speed of 727 RPM's at full throttle, and there many other tractors set up in a similar fashion.
Looks like 1500 RPM's was the maximum torque speed of the little 8N's.
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