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 Hutch's Sears LT-10 Build

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hutch17
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PostSubject: Hutch's Sears LT-10 Build    Tue May 31, 2016 12:23 am

Hello ladies and gents!
Ive stalked this form for a while and have learned a lot and have enjoyed a lot of different builds. I thought it would be fitting to post up my most recent project. I picked up a Sears LT-10 from a friend for $20, it did not run, the tires were flat and the battery was shot.
 This is what it looked like when I got it home



I had picked up a murry lawn tractor a few weeks prior with hopes to fix it up but that project got put on hold when I locked the trans and broke the weld and have been unable to get the bolts out of the case. I have since cannibalized that tractor and have used a few different parts off of the murry on the sears such as the wiring harness, rear wheels and tires, battery, and a few other parts that I cant think of off the top of my head. A friend of mine had a craftsman zero turn that blew both hydro motors so he stripped it for what was of value and scrapped the rest. It had a 20 hp kohler motor among other things on it that he saved. He had no use for the kohler motor so he passed it on to me as he knew it would be used for something.

Prepping for the new power plant



the new motor





Its new resting place





Mocking up the grille and exhaust





The wiring harness off of the mury







I had to find a solution for a gas tank as the old motor was all one package so I stole the under seat one from the murry





After this point I ran it, broke it, fixed it and then broke the rubber disk that acted as a universal joint for the steering. After that I parked it in the garage and it sat there until about a month ago when I got bored and decided to dig it out. Since then I have fixed the universal in the steering by taking a 1/2 inch impact universal socket and welding it into the steering shaft and onto the bar at the bottom and vala bomb proof steering universal. After I got it driving I ran it around a bit and realized the tires suck in the mud so I looked up a few threads on cutting tread and got some ideas together. I ended up cutting every other line of treads and alternating on the other side of the tire it looks like this:
IIIIIII          
      IIIIIII
IIIIIII
      IIIIIII
IIIIIII  
      IIIIIII

Needless to say it helped tremendously in the traction department. I also added a set of work lights on a bar I welded to the existing plow frame and wired it to the existing aux light switch. I had a crappy work light on the rear of the tractor but backed into something and broke it off, its soon to be replaced with an led work light. I also messed with the exhaust some and made a custom muffler and exhaust stack which is ridiculously loud at this point almost hurts my ears to drive it lol. Here are some current pictures of it





Me with my future tool grabber

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hutch17
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PostSubject: Re: Hutch's Sears LT-10 Build    Tue May 31, 2016 12:34 am

Question, does anyone know how to quiet this thing down some? Its very very loud and annoying haha
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1997 Murray
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PostSubject: Re: Hutch's Sears LT-10 Build    Tue May 31, 2016 11:51 am

Those kohlers are extremely loud for some reason. Maybe you could get another muffler to put in before the stack and you would have dual mufflers to quiet it down.
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CraftsmanQuad19
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PostSubject: Re: Hutch's Sears LT-10 Build    Tue May 31, 2016 12:36 pm

Those Kohler Courage engines aren't known to be built very well. I like the idea of a twin cam single cylinder, but the cams are plastic and the crankcase casting is a little on the thin side. *If it were me* I would leave the governor on and gear it high for the speed you want. Obviously, it's your machine and you can do what you want.
But I like the look of the build and I think it'll perform just fine. Smile
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hutch17
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PostSubject: Re: Hutch's Sears LT-10 Build    Tue May 31, 2016 5:32 pm

at this point the pulleys are stock sized. I wont be messing with the governor at all. What pulley sizes would you recommend to get some more speed out of it. Not looking for anything crazy fast.
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CraftsmanQuad19
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PostSubject: Re: Hutch's Sears LT-10 Build    Tue May 31, 2016 8:53 pm

The best ratio to run is about 1:1. i use 4.75 up front and a 4 inch in the rear. For me, this is about 17-19 mph. Your 20 horse should to that easily.

Fearless runs a 5 front and 4 rear last I checked, with a 14.5 briggs.
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Rockinator
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PostSubject: Re: Hutch's Sears LT-10 Build    Wed Jun 01, 2016 9:16 pm

Thats a neat look to the grille! Love those machines! I own two myself, the frames are awesome for building a mower on, and could you post pics of the steering? I need to fix mine, and need some ideas. (Going to be used for racing)
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hutch17
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PostSubject: Re: Hutch's Sears LT-10 Build    Sun Jun 05, 2016 10:45 pm

@Rockinator wrote:
Thats a neat look to the grille! Love those machines! I own two myself, the frames are awesome for building a mower on, and could you post pics of the steering? I need to fix mine, and need some ideas. (Going to be used for racing)

Ill try to get some pictures my phone is messed up and take ***** pics. Basically, the larger diameter part of the universal socket is inserted into the steering shaft the steering wheel attaches to. And the part that would go into a standard socket is welded to the piece that has the gear on it. if you follow my, kinda hard to describe
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