Oregon S63 chain: what it fits and what the code means

S63 is a 3/8" LP pitch, .050" gauge chain with 63 drive links. It fits 9 saws listed below.

What S63 is

Pitch
3/8" LP
Gauge
.050"
Drive links
63

The letter S is the chain type, the number 63 is the drive link count.

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Check pitch, gauge and drive links on the listing before you order. How this works

Saws that take S63

Greenworks · 3

Craftsman · 1

Questions people ask

What does S63 mean on an Oregon chain?

S is the chain series (91PX, AdvanceCut: 3/8" LP pitch, .050" gauge). 63 is the number of drive links.

What bar length is S63?

Usually 18". What matters is the drive link count, 63: count the links on your old chain rather than going by the inches.

What file do I need for S63?

A 5/32" round file.