Re: Engine HP vs PTO HP

Posted by Ultradog MN on January 25, 2018 at 12:23:32 from (172.58.83.184):

In Reply to: Engine HP vs PTO HP posted by bmack518n on January 25, 2018 at 12:10:42:

If you look at the Nebraska tests they measured the hp in two ways, drawbar and pto. Pto hp is always higher because there is less loss straight out the back than through the final drives.
Engine hp is probably a less accurate measure of what a tractor will do because I doubt they take into account the loss from all the add ons like hydraulic and power steering pumps, charging systems, heck, even the water pump and fan could be disconnected for the test if you supplied an outside coolant source.
But those items combined do eat up a bit of hp.

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