F130 Carburator

Farmall Super A, AV, 100, 130, & 140 1939 - 1973

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EZ
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F130 Carburator

Postby EZ » Thu Jan 21, 2016 1:41 pm

Image

Just as an interest, I found a spare carb in my junk pile.


Spare
Typical Zenith model 68 carburetor

Type: 68-7
Vehicle/Machine Manufacturer: Wisconsin
Manufacturer Number: L63A
Service Carburetor Number: 12544

My original:
Typical Zenith model 68 carburetor

Type: 68X7
Vehicle/Machine Manufacturer: I.H.C.
Manufacturer Number: 366462R91
Service Carburetor Number: 12522

The bottom half is identical on both. But the venturi are not the same size.
What difference will the venturi size make if I use the Spare top on the tractor?

The picture is a bit of an optical illusion as the original carb is on bolts and is setting closer to the camera making it appear larger.
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havoc1482
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Re: F130 Carburator

Postby havoc1482 » Thu Jan 21, 2016 1:51 pm

My guess would be difference in fuel flow rate. The spare was probably designed for a different engine that maybe spun at higher RPMs
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EZ
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Re: F130 Carburator

Postby EZ » Thu Jan 21, 2016 2:58 pm

Research shows the spare carb is for a walk behind 12.5hp tractor.

Ordered rebuild kit for original 12122.

Thanks for stopping by.
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Don McCombs
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Re: F130 Carburator

Postby Don McCombs » Thu Jan 21, 2016 3:59 pm

I believe that those venturis are changeable/interchangeable.
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EZ
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Re: F130 Carburator

Postby EZ » Thu Jan 21, 2016 10:07 pm

Don,
The venturi on the spare will not fit in the original top.
Almost, but too tight.
I like the spare top as it is cleaner.
Not sure of performance differences, but as you can see the number inside is not a match.
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