The plow shown here is a combination of the old and the new. It is called a left/right sulky plow, meaning that it has two bottoms which will throw the plowed soil either right or left. You can return in the same furrow you just made---unlike a conventional plow which will throw the soil the opposite way on the return. That means you have a land on the right and another land some distance away also on the right when you go back the opposite direction.
When those two lands close you have a "dead furrow"---and that requires a bit of fancy plow work to close up. The left/right plow avoids all of that.
What makes that plow a bit unique is the hydraulic lift on the individual plows----I'm sure driven off the wheels.
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