Posted 7/3/2022 17:59 (#9732364 - in reply to #9732226) Subject: RE: Irrigation well gearhead ratios
DE
I have 3 Isuzu bb6 or bd6 engines I think around 80 hp non turbo pumping 650 750 and 800 gpm. Two run 1500 rpm and one 1800. I like the 1500 rpm much better. 5:6, 3:4 , and 1:1 ratio