disc harrow

   / disc harrow #1  
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nikos

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I have a Kubota L4240 44hp tractor and I am planning to buy a disc harrow. I am not a farmer and this is why I want to find out if a hydraulic towed disc harrow with 20 discs ( ie 5 discs per gang X 4 gangs) set at double raw of 18'' (46cm) discs with each raw of 10 discs set on one or more axles is capable of being pulled by my tractor. The soil that I will be working on is a medium texture soil. Furthermore, please inform me about the difference between a round and a notched disc used on a disc harrow and which one is preferable.
 
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   / disc harrow #2  
your hp should be plenty. You might have to add weight and I was taught that if you had both toothed and straight type discs it created a better bed and penetrated better.
 
   / disc harrow #3  
nikos said:
I have a Kubota L4240 44hp tractor and I am planning to buy a disc harrow. I am not a farmer and this is why I want to find out if a hydraulic towed disc harrow with a double raw of 18'' (46cm) discs with each raw of 10 discs set on one or more axles is capable of being pulled by my tractor. The soil that I will be working on is a medium texture soil. Furthermore, please inform me about the difference between a round and a notched disc used on a disc harrow and which one is preferable.
Click to expand...

By "10discs set on one or more axles", do you mean 10 per gang X 4 gangs, or 10 front and 10 rear...? 10 per gang would likely be a 12' or wider disc. 10 total front and 10 total in the rear would be a 6' to 7' model in all likelyhood... 12'er would be a BUNCH to ask that tractor to pull in plowed ground. It would be all you'd ever want in unplowed ground. Typically, a disc is measured at the extreme widest point of the REAR gangs. You can handle 8' fairly easily, and MAYBE a 10'er in some conditions. I sure wouldn't want to go far beyond that. IMHO, you want to be able to pull a disc at a ground speed of approx. 5mph without much trouble.


Notched disc's are somewhat better at chopping up crop residue and working existing sod. They also are SLIGHTLY more proned to breaking in rocky conditions. Notched blades also wear quicker due to having less metal along edge. MOst folks around here will run a combination of each type. (ie notched on front, solids on rear)
 
   / disc harrow #4  
I have a John Deere 4720 66 hp and it struggles with a 10' disc in our heavy clay soil and that's with loaded rears and r1's.
 
   / disc harrow
  • Thread Starter
#5  
The disc harrow that i mean is the one with 10 discs in front and 10 at the rear, or 5 discs per gang x 4 gangs.Thank you
 
   / disc harrow #7  
Along these lines... (I apologize for hijacking)

I have a Deere 2320 CUT and would also like to pick up a disc for it. Our local TSC has a 6.5' (rear gang width) King Kutter disc with 16 or 18" discs (notched fronts, solid rears) They used to have a smaller model, but they're out and it appears they're transistioning to their CountryLine branded stuff which seems to also come with a higher price tag.

Any thoughts on how well my little tractor would handle this size disc? Initially it'll be used to work up ground for planting grass around our new house (mostly fresh dirt moved in, some former bean field, a fair ammount of area that's well packed by trucks and such). Longer term it'll be used for the occasional tillage in a garden (turning under stuff in the fall, initial turning in the spring). I could always cut it down in width some if it had troubles I suppose. For the grass seeding, I won't work real deep and will probably drag my middle buster through the packed stuff first to break that up...
 
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