Posted by Mower RPM on July 30, 2012 at 21:55:08 from (96.53.210.246):
In Reply to: Bush hog rpm posted by pete black on July 30, 2012 at 18:58:57:
If it is designed for a 540(or 1000) RPM PTO, run it at that RPM regardless of any other factors. It is not dependent on what you are cutting. Different sizes of bush hogs will have different gear boxes in order to provide the proper blade tip speed. Running it slower or faster can cause problems. For lighter cutting you can select a faster travel speed and for heavier cutting you can go slower or take a smaller swath. 540 RPM is usually about 3/4 throttle on most tractors. Running them full throttle puts additional strain on everything and they aren't designed for it. They do not run at 3600 RPM like a push mower. If they ran that fast they'd probably lift off the ground like a helicopter. Way too fast of blade tip speed.
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