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Draft Control

N

npowell

Member
Forgive me in advance, as these comments might stir the pot a little (or maybe not). I never understood why draft control is so desirable. Always seemed to me that if I wanted to plow 8 inches deep, I would want to consistently plow 8 inches deep. Accordingly, I always figured it would make sense to select the tractor and plow so that they could handle 8 inches deep in the tough spots. Anybody else ever think anything similar?
 
(quoted from post at 15:51:11 06/27/16) Forgive me in advance, as these comments might stir the pot a little (or maybe not). I never understood why draft control is so desirable. Always seemed to me that if I wanted to plow 8 inches deep, I would want to consistently plow 8 inches deep. Accordingly, I always figured it would make sense to select the tractor and plow so that they could handle 8 inches deep in the tough spots. Anybody else ever think anything similar?
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f tractor & plow strong enough to handle any big rock or boulder or???, then I guess you are onto something. Most may need a little "lift-over".
 
Jessie, wasn't the draft control for 3 pts and it was Harry Ferguson's idea? He allowed Henry Ford to use? Then there was a falling out, so Harry decided to build the Ferguson in this country. I'm thinking Harry was form England, not US.

No need for a draft control on the old pull behind plows. Guessing they maintained the depth without it. 3 pt tractors under load, spin the rear tires and that automatically makes the plow depth deeper, then tires spin more and ultimately get stuck if plow isn't raised. In my day, all dad's tractor used pull behind plows. geo.
 
Try using a three point moldboard plow on uneven ground without it for a few rounds and try to keep an even depth. Then set the draft control properly and go again. You'll think that's the greatest thing since pop top cans. TDF
 
The first tractor with draft control on my families farm was an AC WD in 1950. That tractor, and all tractors since then, no matter what brand or size, have used draft control when hitched to a moldboard plow. Plowing depth never changed enough to be an issue. The "traction booster" gauge AC used for a few years allowed you to watch the hydraulic pressure response to conditions.
 
to add to your comment, Harry Ferguson was simply a genius. Inventor of many things, not just the Draft Control but the 3 point system all tractors use (The Ferguson System), open center 4 wheel drive that cars now use, the first person in Ireland to fly a plane...and he designed and built it too! Born from an Irish farmer, he was a giant. Got screwed by Henry Ford for stealing the Ferguson system to the N series tractors. One of the reasons our family tractors have been gray or red.
 
You can plow to a constant depth if you have a tailwheel, otherwise plow will dig in without depth control
 
I was at a plow day with my trailer plow, following a Fergason using draft control on a mounted plow. He was plowing deep in the sand and shallow in the clay. Very frustrating for me, as I was either over or under filling his furrow. I changed places in the sequence.
 
I always thought that the pull type plows did a lot more even job of plowing then a mounted plow. Fully mounted that is. Hit a tough spot the draft control would kick in more and start lifting the plow just when the plow needed all the help it had to stay in the ground. Also it seemed like you still needed plenty of weight on the tractor because without enough traction tractor would spin then the draft control would let up and there you set.
 
There is no such thing as draft control on any pull-type plow. (ok- AC did come up with something like that) Draft control is a hyd system that senses load on a mounted or semi-mounted machine... and slightly raises the machine to compensate for the load, and wheel slippage...thus transferring machine weight to the rear tractor wheels. Pull-type plows maintained a better depth because they had 3 points of support- all 3 wheels.
 
If you have an Allis with snap-coupler, you have draft control for drawn implements. I pulled an Oliver 4240 3-16 pull type behind my Series 1 D-17 for years in heavy clay and the traction booster worked right through the drawbar and the remote.
 
(quoted from post at 16:52:18 06/27/16) Try using a three point moldboard plow on uneven ground without it for a few rounds and try to keep an even depth. Then set the draft control properly and go again. You'll think that's the greatest thing since pop top cans. TDF
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Ditto what TDF stated. To me using draft control for any task except plowing defeats the purpose of draft control. Take blading for example I think if utilizing draft control while blading surface will end up resembling an old time "wash board".
 
(quoted from post at 10:32:33 06/28/16)
(quoted from post at 16:52:18 06/27/16) Try using a three point moldboard plow on uneven ground without it for a few rounds and try to keep an even depth. Then set the draft control properly and go again. You'll think that's the greatest thing since pop top cans. TDF
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Ditto what TDF stated. To me using draft control for any task except plowing defeats the purpose of draft control. Take blading for example I think if utilizing draft control while blading surface will end up resembling an old time "wash board".
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Never have that problem
 

Maybe your driveway doesn't have solid enough humps to activate the draft control mechanism that is designed to automatically raise/lower 3 pt arms so as to keep a constant load on tractor.
 

Plowing sod you do not want the plow lifting a lowering on it's own.

I messed around with draft control and gave up since I like consistent furrows.

If the tractor sinks, lift the 3pt slightly...think of it as manual draft control.

Run depth wheel on plow here, so it doesn't go too deep anyways.

Newest tractor doesn't even have draft control, just position (one lever 3pt)
 
(quoted from post at 15:48:20 06/28/16)
Plowing sod you do not want the plow lifting a lowering on it's own.
I messed around with draft control and gave up since I like consistent furrows.
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Unless one is plowing in a certified plowing contest & draft is mechanism is set as designed I doubt one could tell much difference in plow depth. Utilizing depth control is fairly simple and if one desires to have a constant load on engine then utilize the affects of it's engineering and if not then don't use draft control.
 
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