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Super A and Brush Hog

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BW

07-18-1999 17:51:21




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I have a Super A that has a 3 point conversion hitch. Does the Super A have enough power to run a 4 or 5 foot brush hog? Also, will the 3 point conversion unit and the hydrualics on the Super A have enough umph to lift the brush hog? I am also concerned that the PTO is offset from the center of the 3 point hitch. Will this cause any problems in connecting to the brush hog? Thanks in advance.

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J Risher

07-18-1999 19:55:54




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 Re: Super A and Brush Hog in reply to BW, 07-18-1999 17:51:21  
I use a 4 foot bushhog on my SA. It is a drag type
that hooks up to the drawbar. I offset it all the way to the left,so the shaft will line up better with the gearbox on the bushhog. I have hooked chains to mine and lifted the back wheels to clear the ground, but it really strains it. As for power,my SA can handle the 4 ft. but if the grass or weeds are tall it pulls it down pretty fast. I usually take only half a cut when it does this. I would think that if you hook it up without correcting the offset, you would likely sling out the pto joints.

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Rick K

07-19-1999 05:52:01




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 Re: Re: Super A and Brush Hog in reply to J Risher, 07-18-1999 19:55:54  
I also am using a 4 foot tow-behind. I put it in the hole in the drawbar just behind the PTO shaft. I can cut dry 12 inch high grass in 2nd gear no problem. In first gear, it might bog down a little bit in damp 5 foot high grass. I think that a 5 foot hog might be pushing things a little for anything but regularly mowed grass that never gets very high.

When hooked up to the drawbar, with the rear wheels set so that the rear is a tad higher than the front, the mower cuts the grass to about 6 inches, so there is a lot of room under there to prevent clogging.

If you want to use a tow-behind, you will have to swap the 3 point conversion kit for the original drawbar while you are mowing, as the left lift linkage will get in the way.

There was a posting from someone on here a while back that indicated that he was successfully using a 3 point mower on his Super-A. It may depend somewhat on the brand, since the farther back the mower gearbox is, the less of an angle the PTO u-joints form. However, if the gearbox is too far back, the PTO shaft would hit the left lift linkage. I was afraid to plop down $500+ to an experiment, so went with the tow-behind instead. They cost a little more, due to the fact that they have two rear wheels and a fancier rear wheel attachment method. I am using a 4 foot King Kutter, and like it so far (first year with it).

You are unlikely to find a used tow-behind, they aren't that common. You may be able to find a used 3 point type for sale that you could try hooking up before you buy to see if it would fit.

Let us know how you make out.

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Phil Auten

07-19-1999 06:33:20




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 Re: Re: Re: Super A and Brush Hog in reply to Rick K, 07-19-1999 05:52:01  
Well, I don't know about the 3-point type, but around here in Central Texas, the drag type are quite common in 5' and can be bought used for about $125-200 in usable condition. I was using one on a '49 C with bad rings in fairly heavy Coastal pasture and had to cut about 5"-6" high. Since the Super A has either the same B113 or the later C123 engine (depending on year) it should be able to handle the 5' drag type ok except in the thickest stuff where you might need to use first gear (kinda slow). The main thing to remember is that the heavy spinning mass of any mower will push these non-live PTO tractors even with the clutch disengaged. You need to install an overrunning clutch on the PTO output shaft no matter which type of mower you use so you don't get yourself into serious trouble with the inertia of the mower making your tractor do things you don't want it to do.

Just my $.02,
Phil

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Kev in Iowa

07-19-1999 08:52:41




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 Re: Re: Re: Re: Super A and Brush Hog in reply to Phil Auten, 07-19-1999 06:33:20  
Glad you mentioned the flywheel effect. I use 544 with independedt and never gave it another thought.. Sat. used a 3point stauk cutter with new knifes, in 60 inchtall rank weeds even in first gear needed all 52 hp (recent pto dyno) to drive a 6foot stalk cutter. So rule of thumb 9-10 hp per foot of cut,, 3-5 hp per foot of cut for yard triming. On stalk cutters check knife bolts, friend had one come off and ruin a brand new 18.4 38 tire..

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