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post #1 of 11 Old 03-05-2019, 10:27 AM Thread Starter
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753 rat tractor project

New Project. We have what i think is a 753. Correct me if i'm wrong please. Tractor probably hasn't run in 2 decades and was missing allot of parts. Don't think the engine is original as it has white, blue and turquoise paint on it and the carb had red and yellow. Its missing all the cables, and hood. Coil and all wiring was gone. We put on a new coil, points, plug, wire, battery cables, and wiring. We tried rebuilding the carb but is was full of dried gas. completely solid clogged fuel bowl. The whole carb is corroded inside. It does start with spray but i don't think the pump is working as it will not throttle up. New carb, pump and parts to make it run on order. We found the exhaust valve stuck. Pulled the head and soaked it good and worked it loose. New head gasket on the way too. Tank is leaking, got a new gasket coming also. My neighbor wants to rat it out. He has a deathtrap pile of parts that someone gave him that has a really cool deep arch to the beam. Its already been flipped to lower that one. Gonna put it on the front of this tractor. Someone created this front axle. looks like someone fabricated spindle mounts. Were gonna make 5" wheel spacers to widen out the rear so the seat can drop between the fenders to get it low.

Update. New carb, fuel pump, tank gasket, and head gasket came. I fixed the governor, the little arm that the throttle lever connected to was broke off so i welded a new one on and hooked up the throttle cable. Make a new bracket for the choke cable and hooked it up. Then......... We cut off the front axle and welded on another. We had a monstrosity that someone previously tried to make a ra tractor out of that was more of a death trap than anything. We cut 7" off of the front and welded it to the front of the 753. Thr front tires are 3" lower and the axle mount is another 2" so the front is about 5" lower than stock. We cut the hood out to fit around the gas tank. We mocked up the dummy fuel tank. We just have to make a hood hinge now and mount the tank.
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post #2 of 11 Old 03-11-2019, 11:41 AM Thread Starter
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Re: 753 rat tractor project

Update:

We figured out the steering yesterday. I could not get an acceptable turn radius with the steering yoke and tie rods in the original location with the lengthened frame. So we cut the steering shaft, lengthened it and added another support. It has full lock turning radius now. The aluminum tank turned out to be brass. figured out a hood hinge and mounted the hater pipe with flapper. As soon as the wheel spacers are machined we will work on the rear end and get the seat dropped.
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post #3 of 11 Old 03-11-2019, 02:48 PM
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Question Re: 753 rat tractor project

Wow--you have done a lot of work from, basically nothing much...

What a nice-well equipped shop--looks o me. And please tell me about that lift table--as it were--details and pictures, plse. Intereseted in that- for sure--


Sometimes you just have to laugh..To keep from going insane!!
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post #4 of 11 Old 03-11-2019, 04:28 PM
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Re: 753 rat tractor project

What a neat project! I am tagging along

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post #5 of 11 Old 03-11-2019, 05:06 PM Thread Starter
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Re: 753 rat tractor project

Thanks. Its a standard HF Motorcycle lift table. I added the foldable wings and when the lift cylinder crapped out we added a air actuated HF jack and better casters.
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post #6 of 11 Old 04-22-2019, 10:22 AM Thread Starter
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Re: 753 rat tractor project

Update from this weekend. Its pretty much done till we get the wheel spacers machined. Had to get creative to make the belt stop function so it would shift. The original belt cover did not match up to the engine so it wouldn't work. We cut it off and added a bolt with some rubber hose on top of the drive pulley and added a flat idler to help with the belt slapping the cover.
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post #7 of 11 Old 04-22-2019, 10:42 AM
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Re: 753 rat tractor project

Now that's way cool; slap some "moon eyes" on it and your'e set...lol.
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post #8 of 11 Old 04-23-2019, 12:07 AM
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Re: 753 rat tractor project

I Like it. cool looking machine.

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post #9 of 11 Old 04-23-2019, 02:15 AM
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Re: 753 rat tractor project

I think I would move the gas tank...Doesn't make a good bumper...


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post #10 of 11 Old 04-23-2019, 11:02 AM Thread Starter
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Re: 753 rat tractor project

Tank is fake.
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post #11 of 11 Old 04-25-2019, 08:34 PM
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Re: 753 rat tractor project

Quote:
Originally Posted by Kbeitz View Post
I think I would move the gas tank...Doesn't make a good bumper...
Probably the first tractor bumper I would call "exciting".
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