H sleeve question

johndeeregreen · Mar 23, 2012

I was told that Farmall switched sleeve sizes during their production run, the serial number is FBH-319969X1 if they did what size do I have?

CNKS · Mar 23, 2012

That was when the Super H appeared.

D Slater · Mar 23, 2012

They all were built for a 3-3/8 bore piston. For rebuilds IH started selling thin wall sleeve and piston sets then fire crater piston and sleeve sets for a 3-7/16 piston. All sleeve sizes OD were sized to fit in the H blocks. Aftermarket made sets also.
Only way to know whats inside is look. Very good chance its a 3-7/16 size now though.

H sleeve question

johndeeregreen

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CNKS

Well-known Member

D Slater

Well-known Member

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