Posted 4/27/2013 20:46 (#3066689 - in reply to #3065960) Subject: RE: OK, Who knows about irrigation pumps. Here are the facts.
New Brunswick, Canada
You have to regear to run motor faster if you want the pump to operate at lower throttle opening for how much hp you need. Only other option is alter the hydraulics load so you don't need as high a pressure/less hp.