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 Torgo's Sears Offroad Tractor.

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torgo
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PostSubject: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 1st 2024, 12:21 pm

Here is my latest Sears SS build.  Picked up an engineless SS16 for $50.  Am installing a 14hp OHV Kohler I have.  

This is what I started with.

Torgo's Sears Offroad Tractor. IMG-20240601-194636893

Here is where I am at now.

I had an old ST10 Sears that I used the grill and hood from.  Had to change the hinge points but it fits well.

6" Pulley on the engine, stock 7" on the 633A transaxle.  Transaxle has all new seals and is locked.  Used 25" tires from FB Market place.  New 20" fronts.  Reinforced the front spindles, and welded on steering stops.
New brake pad material fixed the brakes.

Torgo's Sears Offroad Tractor. IMG-20240630-194819579-MP

Torgo's Sears Offroad Tractor. IMG-20240630-194749981-HDR

Working on new seat mount,  built gas tank mount under the hood.

Electrical is next.

Plan is to use it to clear a trail around about 300 acres of land I own along the fence rows and trees.  Maybe someday I will hold a rally.

I would call it "FENCE ROW ENDURO"

Should I paint it or leave it as is????
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RichieRichOverdrive
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 1st 2024, 2:31 pm

Lot of plain tractors around, I’m guilty of that myself, too busy riding them to paint. Always cool seeing a clean new paint scheme.

What are those rear tires? Sedonas or duros or something?
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torgo
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 3rd 2024, 8:33 am

They are Sedona Coyote 25x12-12 I got off FB Market Place. Got 4 for $100
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 3rd 2024, 10:10 am

Those coyotes are some impressive tires! They don’t look super aggressive but they will surprise the heck out of you with where they will go. @Hot Lap had them on his hydro wheel horse Ghost for a while and those things were crazy good, probably because of how soft they are. Grab rocks and roots and stuff like nothing!
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 3rd 2024, 10:52 am

torgo wrote:

Should I paint it or leave it as is????

That’s up to you, but remember: they’re only original once. Torgo's Sears Offroad Tractor. 2731072446

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torgo
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 10th 2024, 7:49 am

After not having internet for 2 weeks (I hate CenturyLink) and having a phone with a bad camera, I guess it gave me time to work on the tractor.

Torgo's Sears Offroad Tractor. <a href=Torgo's Sears Offroad Tractor. IMG-20240709-194411208-HDR" />

Torgo's Sears Offroad Tractor. <a href=Torgo's Sears Offroad Tractor. IMG-20240709-194424643-HDR" />

Torgo's Sears Offroad Tractor. <a href=Torgo's Sears Offroad Tractor. IMG-20240709-194405166-HDR" />

Torgo's Sears Offroad Tractor. <a href=Torgo's Sears Offroad Tractor. IMG-20240709-194420061-HDR" />

Got it up and running enough to drive around the yard and do a speed test.

I got 12mph with stock rear pulley (7") on welded 633A transaxle and 6-3/4" on the engine.  So almost 1:1 for now.  

Engine is a Kohler 13hp from a newer Cub Cadet I got from a guy at work.  I had no idea how it would run so I just took his word for it.  

I put the recommended engine oil in the transaxle but it doesn't sound good.  Planning on switching it out to gear oil an see if the noise level decreases.  

Need to work on the exhaust, grill, foot throttle, stronger clutch spring and some better belt guides.  

Plan on LED lighting, and really loud horn.  lol!

I think the ST10 hood and grill fit on the old SS16 pretty well.




I also need front and rear bumpers and probably some nerf bars/tree kickers.

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RichieRichOverdrive
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 10th 2024, 8:23 am

These transaxles will have a whine to them even in the best of conditions. As long as it doesn’t sound kinda growly in there it’s alright. Remember these trans take like 5qt of oil too.
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torgo
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 10th 2024, 10:51 am

Yes that is what I read, but after taking it completely apart and completely cleaning it out I was only able to get about 4 quarts back in.  I assume you only fill to the level of the fill plug or do I need to tip the tractor on its side to get the extra quart in?
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 10th 2024, 11:25 am

I’ve tipped the tractor on its side before to get some extra in, I didn’t actually keep track of how much I put in. I usually prefer to fill through the shifter hole, but not sure how easy that would be on a Sears. Have done it on a craftsman with a 633 before but I think they’re a bit easier to work with.
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 10th 2024, 11:45 am

The craftsman ayp variants called for 4qts,  The older actual 633a called for 5qt.  The older were heavily used for ground engaging equipment like plows, harrows, etc. in low gear for extended time.  I wonder if the 5th qt was to help cover the gears and bearings for the slower more torque jobs?  In our "Faster" mud mower applications.  I don't see where only 4 would be bad as the oil will be slung all over the place inside.  Hmm....  Just food for thought.


Torgo's Sears Offroad Tractor. Sig115PROJECTS:
     Marshal ........93 Craftsman GT6000      
     Red Bandit ...72 Wheel Horse Raider 12
     Dirty Rat........77 Sears Suburban
     Bowser..........01 Murray Widebody LT
     Other projects
Have a question? Ask me! Type in "@MightyRaze" in your post!
Torgo's Sears Offroad Tractor. Sig214Torgo's Sears Offroad Tractor. Sig314
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RichieRichOverdrive
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 10th 2024, 11:56 am

If they are ran low at high speeds the reverse gear will lock up on the shaft and lock the whole transaxle solid. I do know that much. The guys that get serious with 633s will have the reverse gear bored for a needle bearing.

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MightyRaze
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 10th 2024, 2:02 pm

Good info!


Torgo's Sears Offroad Tractor. Sig115PROJECTS:
     Marshal ........93 Craftsman GT6000      
     Red Bandit ...72 Wheel Horse Raider 12
     Dirty Rat........77 Sears Suburban
     Bowser..........01 Murray Widebody LT
     Other projects
Have a question? Ask me! Type in "@MightyRaze" in your post!
Torgo's Sears Offroad Tractor. Sig214Torgo's Sears Offroad Tractor. Sig314
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torgo
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 10th 2024, 3:10 pm

That may be what I am feeling.  Seems that when I run in the high range at 12mph; every now and then if feels as if something locking up or dragging.  

I plan on switching to 75-90w gear oil, will that help?  

Thx
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 10th 2024, 5:24 pm

I really doubt yours is trying to lock up. I’d make sure your brake isn’t dragging or something. Most of the guys I know run the cheapest Walmart motor oil they can find.

Fun fact, 30wt motor oil is pretty close to 85wt gear oil in terms of viscosity. They do some funny stuff in the naming conventions. Different gear oils also have different antiwear additives, which I believe is the difference between the GL classifications, like GL-4 and GL-5 which are common today.
Torgo's Sears Offroad Tractor. Img_8010
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MightyRaze
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 10th 2024, 10:25 pm

I don't know the details, but I once read that gear oil has sulfur or something like that can break down brass bushings over time?


Torgo's Sears Offroad Tractor. Sig115PROJECTS:
     Marshal ........93 Craftsman GT6000      
     Red Bandit ...72 Wheel Horse Raider 12
     Dirty Rat........77 Sears Suburban
     Bowser..........01 Murray Widebody LT
     Other projects
Have a question? Ask me! Type in "@MightyRaze" in your post!
Torgo's Sears Offroad Tractor. Sig214Torgo's Sears Offroad Tractor. Sig314
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RichieRichOverdrive
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 10th 2024, 11:31 pm

Yeah, something like the sulfur forms ionic bonds with all surfaces, sort of flaking off when it is pressed against another gear, preventing wear from “micro welding” at the line of contact. Problem is the weaker “yellow metals” will flake off with the sulfur and slowly break down. This is more of a problem found with synchros in older transmissions, like the W56 in my Toyota, where you’re advised to use a GL-4 rather than a GL-5, as it has less of that sulfur additive. I don’t think it matters here though. If it’s kind of slick the trans won’t care so long as everything that needs oil is getting it.
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torgo
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 11th 2024, 9:56 am

Yeah, I need to check my brake.  I installed new lining on the brake band and now I wonder if I just need to make some adjustments.

thx
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 11th 2024, 11:09 am

torgo wrote:
Yeah, I need to check my brake.  I installed new lining on the brake band and now I wonder if I just need to make some adjustments.

thx

LOL, be prepared. Sometimes after reline they like to stop on a dime. affraid


Torgo's Sears Offroad Tractor. Sig115PROJECTS:
     Marshal ........93 Craftsman GT6000      
     Red Bandit ...72 Wheel Horse Raider 12
     Dirty Rat........77 Sears Suburban
     Bowser..........01 Murray Widebody LT
     Other projects
Have a question? Ask me! Type in "@MightyRaze" in your post!
Torgo's Sears Offroad Tractor. Sig214Torgo's Sears Offroad Tractor. Sig314
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torgo
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PostSubject: Re: Torgo's Sears Offroad Tractor.   Torgo's Sears Offroad Tractor. Icon_minitimeJuly 11th 2024, 1:02 pm

Worked on the battery hold down and the foot throttle set up last night.

Torgo's Sears Offroad Tractor. <a href=Torgo's Sears Offroad Tractor. IMG-20240711-050924288" />

Torgo's Sears Offroad Tractor. <a href=Torgo's Sears Offroad Tractor. IMG-20240711-050848189" />

I mounted an accessory fuse box I can use for my lights and horn an other  future electrical loads.

Torgo's Sears Offroad Tractor. <a href=Torgo's Sears Offroad Tractor. IMG-20240711-050936938" />

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