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Case Tractors Discussion Forum
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DC heads

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case1950

12-20-2003 20:30:35




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I was looking in the parts catalog, and noticed that it list 3 different head part #'s.
A5505A A5576A 6128A. What are the differences in them and which part number goes to which tractor.

I also noticed that the all-fuel tractors had a compression ratio of 4.88, and the gasoline tractor had a compression ratio of 5.58. Is that from the different heads or is something else different.

Thanks,

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Don Rudolph

12-20-2003 22:09:14




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 Re: DC heads in reply to case1950, 12-20-2003 20:30:35  
5505 is the late model, high compression head for gasoline, 6128 is the LP gas head that raises the compression to make an LP engine put out the same power as a gas version, and 5576 is the early model lower compression head. 6128 has different valves that are hard to get any longer.



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