Answer
Since you are looking at a total head lift of 94 feet (14 feet suction and 80 feet, discharge) and the QP3TH pump is rated for a total head lift of 95 feet, I would NOT recommend it. You still have 600 feet of horizontal run, which will add more head lift due to FRICTION LOSS. So, based on your information, I would suggest the Multiquip QP205SH - 106 GPM (2") High Pressure Water Pump w/ Honda GX Engine. This pump would provide between 60 & 72GPM with 0 pressure based on a 2" or 3" discharge PVC pipe for that 600 foot run. If you want some pressure behind that flow, you will see even less GPM depending on how much pressure you want. At the very least, 45 & 52GPM with a 2" or 3" discharge at 10PSI.
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