I don't believe it has that feature, with down pressure, just raises and lowers for transport, and the outer gangs/wings raise. It's manually adjustable for level, depth and the center valley/outer windrow of soil, from what I have seen helping him adjust it. My friend Leonard is an overly simple ole farmer, sometimes he misses things, I see this and like to help when I do, but I have to say he sure aint no dummy by any means and a real pleasure to work with, heck he made it all these years so far, just human like the rest of us, sometimes things stare all of us in the face and we still don't get it, I just don't want to see this thing come apart or become damaged, darned expensive rig he's got there, he's pulling it with JD 4440 w/duals, all matched and new tires. I will double check on this just the same, need to get my hands on that book again.
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Today's Featured Article - Tractor Hydraulics - The Basics - by Curtis Von Fange. Hydraulics was one of the greatest inventions for helping man compound the work he can do. It’s amazing how a little floor jack can lift tons and tons of weight with just the flick of a handle. What’s even more amazing is that all the principals of hydraulic theory can be wrapped up in such a small package. This same package applies to any hydraulic system from the largest bulldozer to the oldest and smallest tractor. This short series will take a look at the basic layout of a simple hydraul
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