Go Bottomtiller fro TC33D
 | Bob Warner
Join Date: Posts: 1 
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2003-05-15 54934
I want to purchase a rotary tiller with the maximum width my TC33D can handle without causing damage to PTO/Transmission. I do not trust the advice from any dealer, because no matter what model/size I ask about, they assure me that my 33D can handle it. I will be using the tiller to break new ground after clearing trees/brush/stumps from it. I also want to be able to offset for close tilling. After initial use, it will be used for normal lawn/garden use.
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley 
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2003-05-16 54964
You may have thought through the reason for wanting a max width tiller. Other things being equal, a wide tiller is going to be harder on a pto drive than a smaller one. The distinction between damage and wear can be a fine one.
Reducing ground speed can reduce stress but generally tilling is done when going about as slow as possible anyway. Virtually non-existing ground speeds are possible for tractors with HST's but even so, going extremely slow with a wide tiller may end up taking longer than a normal speed with a smaller tiller. A wide tiller probably would give more off-set though.
I'm not sure where the dealer is coming from. Maybe the 33 is within the recommended range of all models asked about or maybe the dealer has some of this 'you can go bigger than recommended by going slower' idea. No matter what it is not comfortable working with somebody where there's little confidence.
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| robertw
Join Date: Jul 2003 Posts: 1 Rockmart, Georgia
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2003-05-16 54973
For Tomg. Thanks for the reply. I am not looking for the widest tiller, but the one that would be best for my tractor. I am thinking about a 48-50 inch with a 12" offset capability. Right now, the prime candidate is a BushHog RTS50 with a slip clutch. And you are correct, I have heard the 'just go slower' response many times from many different brand dealers, and I don't like that answer!
I have looked at other brands at lower prices, but parts availability, and weight are considerations, too. ....
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| Bernie Galgoci
Join Date: Posts: 1
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2003-05-16 54976
Bob - The only "rule of thumb" I have ever seen about sizing rototillers states 5 to 10 PTO horsepower per foot width of tiller. (When Deere recommends tillers for their compact utility tractors, they seem to sometimes recommend tiller size in an even lower range. Calculating from their recommendations, they occasionally believe tillers need as little as 4 PTO HP per foot of tiller, meaning they will recommend a 5 foot tiller for a 20 PTO HP tractor in some - but not all - cases. This may have to do with how "robust" they feel a particular tractor model is.) Anyway, I have about 29 PTO HP on my tractor and I run a 5 ft. wide tiller. This works out to 5.8 PTO HP per foot of tiller. The tractor handles this tiller perfectly fine. Obviously, I can't till 8 inches deep in the first pass on previously unbroken ground, but that's not the way to try and use a tiller anyway. Your TC33D, with about 27 PTO HP, will handle a 5 ft. tiller. I, personally, would shy away from a 6 ft. model. (I believe my tractor would be "over-stressed" with a 6 ft. tiller in some situations.) Tom's comments about ground speed should certainly be kept in mind. Best of luck with whatever size tiller you decide on. ....
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| Bernie Galgoci
Join Date: Posts: 1
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2003-05-16 54977
Bob - While I was (slowly) typing my response, you posted the dimensions for your prospective tiller. Believe me, your TC33D will handle a 48 to 50 inch tiller like a hot knife through butter. And by all means, get a slip clutch. Best of luck. ....
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