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post #1 of 7 Old 08-25-2019, 08:04 PM Thread Starter
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Turning Troy Bilt Tuffy into Walk behind brush hog

I finally have a welder. I have a running driving Troy Bilt Tuffy with pullys, belts, sheet metal, 17hp engine and rear end missing a deck that I despise and dont often use. I have a local salvage yard I can walk around and pick out of. I want a GT but need a brush cutter. Cant afford to buy one whole but already have most of the pricey parts with some assembly required.

The main question I have, and why Im posting this here, will the rear end from the LT, basically part number 918-0551A, work in a walk behind brush hog? Could I just pull on one side of the handle to get it to turn or would I need to rig it up to brake steer like a larger tractor? Ill be dropping from the full size LT rear tires to wheels off a rear tine tiller.
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post #2 of 7 Old 08-25-2019, 08:38 PM
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Re: Turning Troy Bilt Tuffy into Walk behind brush hog

I cant be of any help but I am curious to see the outcome! Please post pics and keep us updated!
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post #3 of 7 Old 08-26-2019, 01:07 AM
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Re: Turning Troy Bilt Tuffy into Walk behind brush hog

what kind of rear-end is it? If it's just an open-diff, it'll probably suck to use for any significant amount of time. You have to manhandle it to get it to turn (and you're also pushing the front end through brush/etc at the same time), and running it across a slope, it'll want to keep dropping down the slope, and it's up to you to keep it going straight.

I've got an Ariens WAW34, which has an open diff for the drive axle, and it takes a bunch of effort just to spin it on a flat lawn. It takes a bunch more effort to use on uneven ground clearing an overground field (which I've done with it as well).

I very much prefer to use a hydro walkbehind unit that I have independent control of each drive wheel.
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post #4 of 7 Old 08-26-2019, 11:00 PM Thread Starter
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Re: Turning Troy Bilt Tuffy into Walk behind brush hog

Im not going to deal with hydros. I dont have time or money. Would applying a brake to one side move power to the other side of the axle?
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post #5 of 7 Old 08-27-2019, 01:30 AM
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Re: Turning Troy Bilt Tuffy into Walk behind brush hog

That should work (I would be more definite, but I haven't used any piece of equipment with brakes that are used in this fashion). I expect it'll take a bit of trial and error to get the brakes fabbed up and dialed in to provide just the right amount of force to get it to turn so it feels right for you.

Good luck with it. And you have to post a video of how well the brakes work for controlling it, or we'll have to task someone to drive over and TP your house.

But, the more you intend to use it, the more you'll like using hydro's. Turns nice, going both forward and backward, easy to vary the speed.
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post #6 of 7 Old 08-27-2019, 08:11 AM
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Re: Turning Troy Bilt Tuffy into Walk behind brush hog

Well You want a GT But Need a Brush Cutter You should consider a Grillo Or BCS Two wheeled Tractor Because they Have Bush Cutter Made for them https://www.earthtools.com/walk-behind-tractors/ That You Can either walk Behind or Ride Behind with a sulky either Brand Can be found Used at a decent Price

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post #7 of 7 Old 08-27-2019, 01:29 PM Thread Starter
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Re: Turning Troy Bilt Tuffy into Walk behind brush hog

I was thinking disk brakes off a four wheeler would do well. Just have to get matching master cylinders. Weld or bolt the rotors to a keyed collar on the axle shaft. A woodruff key and tack weld will hold it nicely. With the narrower wheel it will have room for a bracket from the frame to hold the caliper.

Id like to start a YT chanel with he build so everybody can learn how not to do things.

Its a seven speed and Im not intending to be running as I cut. The tiller wheels are a bit shorter so that will slow it down some.

I make $12 an hour right now and have the majority of the parts and tools I need. Save a drill press but Harbor Frieght will have a sale soon Im sure. Anything else I need to buy will limely be from the scrap yard for scrap price.
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