Draft control???
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Soundguy
Old Timer
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You can read the 1000 pages of stuff to get a real good idea.
In brief.. draft control refers to a tractor that has draft sensing hydraulics. Draft is the force exerted on a ground engaging implement ( plow, box blade, disc.. etc ). From pulling it thru the earth. The higher you have your draft set.. the more pull that may be exerted on the implement. Exceeding that, and the hydraulics will work to reduce the draft usually by lifting the implement slightly. Draft control works usually through a spring loaded toplink..( like old ford N series tractors ) though there were other draft sensing hitches available on other equipment before the 3pt hitch was standard. This worked to help the tractor keep from breaking traction, and also added a safety feature.. Say you are dragging a plow and it encounters a rock.. the draft immediatly gets real high.. on a standard non draft hyd's.. the tractor would stall down..break the plowpoint, or backflip, depending on the hitch design.
On a tractor with draft control.. as the draft went higher than you had it set with the draft lever.. the implement would lift and avoid the obstacle..
Soundguy
In brief.. draft control refers to a tractor that has draft sensing hydraulics. Draft is the force exerted on a ground engaging implement ( plow, box blade, disc.. etc ). From pulling it thru the earth. The higher you have your draft set.. the more pull that may be exerted on the implement. Exceeding that, and the hydraulics will work to reduce the draft usually by lifting the implement slightly. Draft control works usually through a spring loaded toplink..( like old ford N series tractors ) though there were other draft sensing hitches available on other equipment before the 3pt hitch was standard. This worked to help the tractor keep from breaking traction, and also added a safety feature.. Say you are dragging a plow and it encounters a rock.. the draft immediatly gets real high.. on a standard non draft hyd's.. the tractor would stall down..break the plowpoint, or backflip, depending on the hitch design.
On a tractor with draft control.. as the draft went higher than you had it set with the draft lever.. the implement would lift and avoid the obstacle..
Soundguy
Phred
Veteran Member
I have this on my TN.
In the picture you can see three levers. The one with a brown handle is a hydro remote. One of the others is draft control and the third is the three point lift.
The draft control works just like the other guys say.
I use it with my rear blade. This 9' blade can drag this tractor to a halt in 4wd if you take to much of a bite. So i set the draft control such that it lifts the blade a bit when it begins to strain the tractor.
The only negative with the setup on my machine is that since its hydraulic its a little slow in response. But a very handy thing to have for plows, blades, etc..
Fred
In the picture you can see three levers. The one with a brown handle is a hydro remote. One of the others is draft control and the third is the three point lift.
The draft control works just like the other guys say.
I use it with my rear blade. This 9' blade can drag this tractor to a halt in 4wd if you take to much of a bite. So i set the draft control such that it lifts the blade a bit when it begins to strain the tractor.
The only negative with the setup on my machine is that since its hydraulic its a little slow in response. But a very handy thing to have for plows, blades, etc..
Fred
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Soundguy
Thanks for the brief version.../forums/images/graemlins/smile.gif
So now that I undrstand draft control and position control much better...
Any chance you can explain why the 3pt arms have 3 different positions? The RH arm link has a turnbuckle and the LH arm link has 3 holes. I know the position I am currently using is the float position...for the belly mower. Are the other 2 for fixed positions? If so, would that keep my york rake at a fixed position...and not ride up & over the material, if pulling too much?
Thanks for the brief version.../forums/images/graemlins/smile.gif
So now that I undrstand draft control and position control much better...
Any chance you can explain why the 3pt arms have 3 different positions? The RH arm link has a turnbuckle and the LH arm link has 3 holes. I know the position I am currently using is the float position...for the belly mower. Are the other 2 for fixed positions? If so, would that keep my york rake at a fixed position...and not ride up & over the material, if pulling too much?
mahlers
Gold Member
Interesting picture - but what the heck is that big furry thing in the cab? My first thought was a geriatric Chewbacca, but I've never seen or heard of one driving a tractor...
Soundguy
Old Timer
- Joined
- Mar 11, 2002
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- 51,575
- Location
- Central florida
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- RK 55HC,ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC
The 3 holes in the lh arm are simply adjustment... Highest hole lets you get the implement a bit lower to the ground.. also may help you to line up something.
As a dealer option some tractos can/had 2 turnbuckles .. one on each side for the lift arm links.
Soundguy
As a dealer option some tractos can/had 2 turnbuckles .. one on each side for the lift arm links.
Soundguy
rambler
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</font><font color="blue" class="small">(
Any chance you can explain why the 3pt arms have 3 different positions? The RH arm link has a turnbuckle and the LH arm link has 3 holes. I know the position I am currently using is the float position...for the belly mower. Are the other 2 for fixed positions? If so, would that keep my york rake at a fixed position...and not ride up & over the material, if pulling too much? )</font>
Some items like a post hole digger you either want to raise the 3pt really high to get clearence or you want to get really really low to the ground with the lower arms. That's all the holes in the lift rods are for - to adjust how high or low the arms will raise.
Most USA tractors have single acting hydraulics, or float, on the 3pt, and there is no easy way to add down pressure.
That's a good thing, it does not work for blading nearly as well as you would think - rear wheels go up, no tration, you sit there..... If you need more down force with a blade, add a little weight to it, or get a bigger blade, or get a box blade with scarifiers.
--->Paul
Any chance you can explain why the 3pt arms have 3 different positions? The RH arm link has a turnbuckle and the LH arm link has 3 holes. I know the position I am currently using is the float position...for the belly mower. Are the other 2 for fixed positions? If so, would that keep my york rake at a fixed position...and not ride up & over the material, if pulling too much? )</font>
Some items like a post hole digger you either want to raise the 3pt really high to get clearence or you want to get really really low to the ground with the lower arms. That's all the holes in the lift rods are for - to adjust how high or low the arms will raise.
Most USA tractors have single acting hydraulics, or float, on the 3pt, and there is no easy way to add down pressure.
That's a good thing, it does not work for blading nearly as well as you would think - rear wheels go up, no tration, you sit there..... If you need more down force with a blade, add a little weight to it, or get a bigger blade, or get a box blade with scarifiers.
--->Paul