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AC model C, 3 pt hitch and brush hog questions

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Rick Keener

06-20-1999 09:56:33




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I would like to use a new KingKutter brush hog, 5 ft wide, 40 HP, $459, with my Allis Chalmers Model C tractor. I still have to buy the 3 point hitch conversion kit and brush hog but before I do that I was hoping someone could answer some of my questions before I make the investment. I appreciate any information.


I assume that the 40 HP rating on the brush hog is a maximum HP that should be used, is that correct or is this a minimum rating?

What HP is the AC model C rated at?

Will my Model C will be able to adequately power and pull this brush hog.

From pictures of a 3 point hitch conversion kit and a brush hog with its shielded drive shaft, it didn't look like the brush hog drive shaft would reach the PTO shaft on the tractor. Can I assume that it will reach? Is the brush hog drive shaft extendable or is it fixed length?

From a picture of the 3 pt conversion hitch it looks like a hydraulic shaft holds the hitch in position. Is there a way to lock the 3 pt hitch in place without relying on the hydraulic shaft to maintain the height?

Will the connector on the brush hog drive shaft properly mate with the PTO shaft on the tractor? Will I need an adapter?


Thanks, Rick

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Brian G.

06-22-1999 08:05:15




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 Re: AC model C, 3 pt hitch and brush hog questions in reply to Rick Keener, 06-20-1999 09:56:33  
Rick, you got some expert advice! Coming from upstate New York, where the terain is very hilly, I would like to add one more comment. If you intend to mow anything but very minor hills, get the smaller brush hog or get a WD or WD-45 tractor. You've heard of the tail wagging the dog; well that's exactly what will happen and that can be EXTREMELY DANGEROUS !! Good luck, Brian G.



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Ed Kiburis

06-21-1999 16:42:06




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 Re: AC model C, 3 pt hitch and brush hog questions in reply to Rick Keener, 06-20-1999 09:56:33  
For some reason the URL I inserted did not show up on my post. I'll try again. Here is the URL:
http://members.tripod.com/CandD_hitches/products.htm



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Ed Kiburis

06-21-1999 16:38:51




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 Re: AC model C, 3 pt hitch and brush hog questions in reply to Rick Keener, 06-20-1999 09:56:33  
I use my 1948 model C with an after market 3 point hitch and a Woods 4 foot rotary cutter, (brush hog). As everyone else mentioned the overrunning clutch is a must. That also gives you the conversion from the C's 1 1/8" PTO shaft to the 1 3/8" required by the mower. I think it cost me about $75. My C tractor PTO shaft is solid, (no hole). I use a spring connected near the PTO to the drive shaft cover of the mower to keep the clutch from slipping off the shaft. Thought about drilling a hole in the shaft but afraid I won't get it straight or in the right place to match the hole in my clutch. My spring seems to work well enough. As I mentioned my cutter is a 4 foot. I don't have a problem mowing or even lifting. Sometime I wish I'd bought the 5 foot model. I think the King Kutter weighs less than the same size Woods. You should not have any problem with the 5 footer. I bought my 3 point hitch from C&D Equipment in Butler MO. Even with $75 shipping costs it was the best price I could find and everything fit perfectly. Check out their web page.

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William Powell

06-21-1999 14:27:46




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 Re: AC model C, 3 pt hitch and brush hog questions in reply to Rick Keener, 06-20-1999 09:56:33  
Rick;

I have a C with a homemade 3pt hitch. It works fine with a 5 ft mower. Many of the points mentioned in ealier posts are true. The front end
is light, you may need front weights. Over running
clutch is a must. One hydraulic cylinder is weak. I plan on putting another ram on my hitch. HP is somewhere around 20..? I had to put an adapter under the over running clutch to make it fit, but
you can buy over running clutches to fit the small
pto. I did have to cut the mower driveshaft 5-6" to make it fit. I can send you pictures of it hooked up if you would like, e-mail me. My hitch is homemade but it has similar physics as the manufactured ones.

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Erick

06-21-1999 12:59:24




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 Re: AC model C, 3 pt hitch and brush hog questions in reply to Rick Keener, 06-20-1999 09:56:33  
Rick,

I have a C with a 3 point hitch. It works great for using a blade. anything heavier is to much for the cylinder to lift.(The front of the tractor is also to light without weights)
I personnally would to get a pull type bush hog for the C. I think they have plenty of power for a 4-5 foot mower, I just think the tractor was not designed to properly pull 3 pt hitch implements.

Definitely by the over running clutch.

Erick

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Brian

06-21-1999 08:43:09




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 Re: AC model C, 3 pt hitch and brush hog questions in reply to Rick Keener, 06-20-1999 09:56:33  
I can help with some of your questions. Normally when the gearbox on a mower is rated, at 40 hp in your case, that means that is the maximum pto hp allowed. As far as the drive shaft is concerned, if the bush hog shaft won't work, I've seen new ones at CT for about $90. One thing you absolutely must get for this tractor/mower is an overunning clutch. The pto on a C is not independent. When you push the clutch in the mower blades and such become a big flywheel and will push the tractor even overpowering the brakes. Hope this helps. Brian

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