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 73 sears workhorse/mudder

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Buck
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PostSubject: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 3:52 pm

Well ive been hanging around for a bit now and figured i would show the Sears, i dont have a name for it yet, I started building it in the summer, everything i did to it is bolt on so far, so if i find a doser blade, or snowblower or the mower deck i can still use it. i use it in the mud, rocks , skidding trees or yard work.


I bought 2 tractors for a hundred bucks and sold the other one for 80, perfect.

 73 sears workhorse/mudder  20170810

My plan for it was:
Figure out the year? 72-74
New kevlar belt
fenders
Tires
Rebuild carb and tune engine
oil change/ greasing
front/ rear bumper
fix wiring
Lock the rear diff
fix Charging system
lights
fix the hood
3 point hitch


Last edited by Buck on Fri Aug 24, 2018 9:27 pm; edited 3 times in total
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 4:16 pm

got it running kids wanted to go for a ride lol
started painting it( only temp) found some fenders, added the tool box and traded for some take off atv tires 673 sears workhorse/mudder  20170910
73 sears workhorse/mudder  20180315
73 sears workhorse/mudder  20170911
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with fender so much better
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 4:33 pm

73 sears workhorse/mudder  20171013
73 sears workhorse/mudder  20171014
73 sears workhorse/mudder  20171014
redid the wiring and wired in lights front and back
73 sears workhorse/mudder  20171215
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73 sears workhorse/mudder  20171015
New used meats man what a difference just need lock the rear sometime.
73 sears workhorse/mudder  20180316
73 sears workhorse/mudder  20171114

had to make a cup holder, and then broke the seat spring for the second time
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 4:51 pm

made a recever hitch to fit in the same bolt holes for the 3 point hitch and a skid plate
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Had to do something about the steering
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73 sears workhorse/mudder  20180110
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AllisKidD21
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 4:57 pm

Nice build you have! But maybe don't post so many times within one hour. You can just have two or three long posts instead, makes it look neater is all.

EDIT - I merged a few of your posts together just to clean things up a bit

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Last edited by AllisKidD21 on Sun Mar 18, 2018 5:17 pm; edited 1 time in total
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 5:15 pm

Like @AllisKidD21 mentioned, if you are posting pretty close together. Might make use of the "Edit" button and add to it! Nice Sears BTW.. Wink

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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 5:23 pm

@AllisKidD21 wrote:
Nice build you have! But maybe don't post so many times within one hour. You can just have two or three long posts instead, makes it look neater is all.

EDIT - I merged a few of your posts together just to clean things up a bit

Ok sounds ill try that, it's a pain in the ass posting off a phone

Thanks Mighty
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 5:50 pm

Got tired of rebuilding the old carb(there hard to find) go i replaced it with a 8hp kohler carb alittle modification to the choke lever, it works extremely well and the added a foot throttle now that woke up that Tecumseh
73 sears workhorse/mudder  20180111
[url=https://servimg.com/view/19809240/3673 sears workhorse/mudder  20171217[/url]
I've rolled it now a few times not a fan how narrow the front is, i added some gas rear gate shock, it helped a bit
73 sears workhorse/mudder  20180112


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Crazy_Carl
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 6:02 pm

Awesome! I’ve been eyeing the sears in your profile picture for a while and I always wanted to see a build thread on it. I remember you posting about that receiver hitch a while back. Good move re doing the wiring and replacing the carb. That can get rid of a lot of headaches.
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 6:21 pm

Just be careful not to unscrew it too many times, mine stripped out. Kept falling out, pouring gas all over the exhaust. lol!
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 6:23 pm

@Crazy_Carl wrote:
Awesome! I’ve been eyeing the sears in your profile picture for a while and I always wanted to see a build thread on it.  I remember you posting about that receiver hitch a while back.  Good move re doing the wiring and replacing the carb.  That can get rid of a lot of headaches.

Thanks the plan is to change out the motor once i find a better one, once i do i will tare the tractor down and repaint it.
I'll have another sears i picked up ill be making a thread on.
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 6:27 pm

@Double W Cross Ranch wrote:
Just be careful not to unscrew it too many times, mine stripped out. Kept falling out, pouring gas all over the exhaust. lol!

That could have been bad, ya the threads were getting bad and backing out when i had the old carb but i used loctite its not coming out now lol
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 6:34 pm

Looks good, only thing I that caught my eye is on that trans skid bracket.  The bolt heads might catch?  Looks good though!  I guess better catching a couple cheap bolts than busting a trans!

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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 6:40 pm

@MightyRaze wrote:
Looks good, only thing I that caught my eye is on that trans skid bracket.  The bolt heads might catch?  Looks good though!  I guess better catching a couple cheap bolts than busting a trans!

Ya good catch i did it that way because i didnt want the bolt facing down, most of the trails i ride are rock and roots, i might cover the skid in a flat sheet of something not sure yet. but it works its saved it a few times
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeSun Mar 18, 2018 8:51 pm

Some Mud 73 sears workhorse/mudder  20180326
73 sears workhorse/mudder  20180327
73 sears workhorse/mudder  20180328
73 sears workhorse/mudder  20180330
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeMon Mar 19, 2018 10:26 pm

73 sears workhorse/mudder  20180331
Well I guess its time to check the valve lash and a new head gasket, it's such a pain buy parts for these thing in Canada, you can find them in the states no problem and the shipping is good, here if they ship to you its usually 3 x more then the part.
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeMon Mar 19, 2018 10:39 pm

Is the valve lash adjustable on those Tecumseh's like the old K Series Kohlers were?

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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeMon Mar 19, 2018 10:42 pm

Is that a compression test? 75 psi. Kinda hard to do a compression test on these engines, because of the easy start mechanism in them. Maybe make sure that the engine doesn't have the easy start setup on it before trusting the reading on the gauge. You could be dumping half of the compression on startup ( while cranking over the engine), and when it starts is when it disenguages and get full compression.
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeMon Mar 19, 2018 10:44 pm

Does an old Tecumseh have a compression release of sorts?

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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeMon Mar 19, 2018 10:46 pm

@AllisKidD21 wrote:
Is the valve lash adjustable on those Tecumseh's like the old K Series Kohlers were?

Looks like a Tecumseh flattie.
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeMon Mar 19, 2018 10:50 pm

@prancstaman wrote:
@AllisKidD21 wrote:
Is the valve lash adjustable on those Tecumseh's like the old K Series Kohlers were?

Looks like a Tecumseh flattie.

Yeah I know that's why I was asking. He mentioned checking the valve lash so I was curious if it was adjustable like the K Series flatheads were. They had adjustable tappets which is pretty handy.

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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeMon Mar 19, 2018 10:51 pm

Looks like an OH160.  Should be a little cap up top with 2 screws where you can adjust the valves.

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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeMon Mar 19, 2018 10:55 pm

ya it's the old cast 12hp flat head, I'm really not sure but i don't think they had a decompression( exhaust valve open slightly on compression stroke), i did 3 test a dry and wet and then a pressure test and there was some air coming out the exhaust, and carb
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeMon Mar 19, 2018 10:56 pm

it's a HH120
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PostSubject: Re: 73 sears workhorse/mudder    73 sears workhorse/mudder  Icon_minitimeMon Mar 19, 2018 11:01 pm

@AllisKidD21 wrote:
@prancstaman wrote:
@AllisKidD21 wrote:
Is the valve lash adjustable on those Tecumseh's like the old K Series Kohlers were?

Looks like a Tecumseh flattie.

Yeah I know that's why I was asking. He mentioned checking the valve lash so I was curious if it was adjustable like the K Series flatheads were. They had adjustable tappets which is pretty handy.

no there not adjustable, you have to pull the valve and grind it down to spec, i just did my 10hp snowblower tonight made a big difference
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