2 yrs ago you switched back from......what? Something bigger I assume? Why?

I think most that are running 12r heads now weren't born that way. We started out w/2 row JD 210 head on a 55 combine. Actually, our Dad & uncle started with an Oliver 2r head on an Oliver 35, but I never ran that personally.

So, we have come up thru the years and have mentally weighed out the good/bad of any combining update while you're sitting there going back & forth for hours on end.

I would say it's an individual choice. Keeping everything "moving" seems to be the real key to efficiency. But, that "moving" has to have a productivity goal also, otherwise we could just go back to the JD 55 & 210 corn head & dump on a Parker 165 wagon. Everything would always be moving....but at the end of the day that hole in the field wouldn't be very big. By the way, we used to pull the Parker 165 w/an International 1500 truck thru the field & pick up on the go.....sometimes. That was a real throttle/gear choice challenge long before grain carts were even heard of by us.