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| ... in tough, rooty ground? Looking to update our old tractor (IH 1086) but I'm honestly not sure what kind of HP it's putting out. Supposed to be 125 HP but who knows after almost 40 years. All I know is this disc is all it wants. Would be nice to have more HP.
Looking at Deeres, some tell me a 4440 would be adequate for this size disc. Others say a 46xx would be a safer bet. Any opinions? Don't care about PTO or small frame vs large frame as pulling this disc is about all it will need to do. How big a tractor is ideal for a 24' disc in tough, rooty soil? Thanks. |
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| How heavy of a disc? Some big 24 ft. discs may need 350HP for tilling sod, etc. How large are the blades and model of disc, may help here.
Light discs in easy going 20" blades may need around 150 HP minimum. Sock it in the ground and you will need more. |
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| Frankly, I'm not sure as I don't run this rig or even live near it. I'm just in charge of looking for a replacement for it, strangely enough. But it sounds like the more HP the better, huh? Better to have too much than too little, right? |
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Wheatley, Arkansas | Around here a 24' cutting disc in tough conditions would require a 4840, in normal conditions a 4640 would pull it.
That being said, I don't think a 1066 would pull as good as a 4640. |
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SC Nebraska | For years we pulled a heavy 22' disk [edited from 20'] with a 4440 with Quad Range. Powershift uses a little more HP I believe. Our conditions were typically pretty easy, certainly not "tough/rooty." The 4640 PS we had at the same time would pull it deeper. I certainly wouldn't buy a 4440 to pull a 24' disk in tough conditions unless you only want to scratch the surface. In tough conditions, I'd actually go up to a 4840.
Edited by Gary Onanebrfarm 1/11/2010 18:31
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Kittitas Co. Wa. State | "Here" a 125 hp Tractor would pull a 24 foot disk just fine. Long as you stayed on the road and just drove around the field. Minute you pulled into the field you be hosed. Here a 24' disk would take north of 200 HP and 4 wheel drive. I pull a 12 foot offset disk with a 125 HP and I have to put on the duals to pull it. With just single's on 1 pass and you're done,, can't get enough traction to disk the field a 2nd time. In open ground w/o Duals,, won't even get across 1st pass. . |
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NW VA | I wouldn't want to pull our 24' JD 637 with much less than 200, but a a lighter disk might get by with less. |
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| In my book it shows a 1086 having 131.4 HP and a 4440 having 130.5 HP. A 4640 has 156.3HP or you could bump up to a 1486 that has 145hp, The IH tractors would probably be half the price of the JD's. I don't know your situation though, is it a lack of power or a lack of traction in which a front wheel assist is more what you need.? |
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Mid Michigan | Mine has 175 engine Hp and pulls a 24 ft disc about as deep as you want to. But you definitely know it's back there. This disk pulls harder than my 11 shank chisel plow but it will bury itself to the axles on the disk blades. 4wd sure seems to help pulling a disc for some reason. This set up will disc about 11-12 acres an hour. Tractor burns about 6.5 gallons fuel an hour. I usually disc about 4-6 inches deep and follow it with a cultimulcher. I think a 4440 would be a fine choice for a 24 footer but stay away from the greasy spots!
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| that is a nice looking 4-175; |
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Dallas Center IA 515-720-2463 | That is not a White model 271 24' disk. The 23' 6" model has 66 blades.
Your disk has 58 blades, it is a 20' 8" model 271.
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Wheatley, Arkansas | That's what I thought too,unless it's 11'' spacing. |
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| Actually pulling a disk is the one place where more hp is not always better. Too much speed with a disk = ridges, it doesn't matter what model or brand of disk you have too much speed will result in ridging.
If the operator has enough sense to keep the speed down (around 5-5.5 mph is good) then more hp is fine, if you've got someone who has to go as fast as they can pull it then less is better.
I would want a minimum of 160 hp and mfwd on a 24' disk. That puts you into a 4650 or 5288, a heavily weighted 4640/4840 or 1486/1586 might do an acceptable job but they will run out of traction easily at slow speeds. |
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south Texas , York Rife Freemason | i pull a 20 foot 490 (22" discs) behind a 5088 , i have also pulled it behind a 1066 and 1086 . the 50 would handle a 24 foot , but the 1086 would not have .
id go with a 1586 , 4640 ect . |
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| I have a 22' and it's plenty big for a 4440 here (illinois) |
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NE S.Dakota | We ran a 28 foot 490 IH disc with a 1586 for several years. The difference between a 1086 and 1586 in pull power is quite pronounced. Years ago we had a 30 ft multiweeder that we were using to incorporate Treflan,pulling with a 1086, it had a 500 gallon tank on the tongue. The 1086 struggled to keep that rig above 5 mph, we were trying to pull 6 mph. After having hydraulic and rear bearing problems we bought a used 1586. I was the first to run the 1586, took it to the field with the multiweeder,lowered it, and took off. I had to look back, because I could not even tell the multi weeder went into the dirt. The 1586 would pull that multi weeder 7mph without the throttle wide open. I just saw a nice 1586 on a lot on in Minnesota yesterday. |
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| Thanks for all the feedback, everyone. Sorry, I don't know how heavy the disc is. All I know is it's either 22' or 24'. I'm assuming the worst and figuring 24' for now.
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Mid Michigan | Wow, you're right. That thing is the 20' 8" model. I always though it was 24 foot. I never thought to even measure it. I do have the original brochure on it too. I just bought it and brought it home and did some work to it and went to work. It's a good match for that tractor. I don't think I would want one any bigger on it thats for sure. |
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how much HP for 24' disc
