Posted by Bill VA on September 02, 2016 at 09:37:30 from (67.130.51.170):
Reading the post below regarding turning up the injection pump.
Back in the day, I gather one would turn up the JD 4020 or IH 856 so they could pull bigger ground engaging equipment, i.e. 5 vs 4 bottom plow.
Also, back in the day, a New Holland haybine model might require 35 hp minimum. Run it all day long with a MF 135 or Ford 3000 - no issues other than the #$%# cutter bar clogging or grass getting wrapped around the rollers -LOL! Now we've got these discbines and they are IMHO hp hogs. With aggressive fertilizer/lime programs, a well maintained field can yield a LOT of hay. So the old MF 135 or Ford 3000 now doesn't have the guts to pull a discbine. So - you turn to your old iron tractor that is XX hp. You need YY hp or more for the discbine. Pull out the tools and turn it up - just like the old days. The difference is now you're using the hp in front of a PTO - not a drawbar.
My question is - how are these PTO's holding up on old iron tractors with turned up engine hp? I got to believe if you're discbine is taxing your old 4020 or 856, some folks will draw out the tools and turn it up. Anyone busted or known of issues where someone busted their PTO driveline by turning up the injection pump for more hp?
I'm thinking the MFG's had a pretty good idea - back with the 4020's and 856 type tractors were designed that they would have the guts pulled out of them via a drawbar. Would it have crossed their design minds to make the PTO driveline/clutches extra stout too?
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