Yesterday's Tractor Company - Parts and Pieces of Antique Tractors

1954 NAA - Hydraulic Piston Ring Comparison
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Tisco piston ring on the left - New Holland piston ring on the right. Not only is the CNH ring bigger (tighter fit in the chamber), but also thicker. I now know why my piston chamber was leaking right after I put a brand new ring on the piston! No more Tisco junk for my hydraulics.

Submitted by Dan, from TX

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