48 C Farmall

thumbanger · Jan 11, 2010

I have a 48 C pulled the head off had a strange looking piston wasnt flat top and wasnt dome had a recessed dish in piston. Looked at serial number had a D at the end. Looked it up its a 5000 altitude what does that mean. Is the head different than head on flat top piston. Thanks for any help.

Jeff Z. · Jan 11, 2010

I beleive the the heads were the same but the High Altitude engines had the different pistons to increase compression. These were made for operation in high elevation areas.

Jeff Z. · Jan 11, 2010

You may find the head could be different. I know they made a different head for the high altitude Cub engine.
From the description of the pistons they may have been changed, usually the high altitude pistions are the dome type.

gene bender · Jan 11, 2010

Your dished in piston was a distillate piston as their heads were recessed. A used tractor and you never know what you get untill its torn down. You say the serial# had letters should start with letters. You must have seen a casting#.

48 C Farmall

thumbanger

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Jeff Z.

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Jeff Z.

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gene bender

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