Oregon S56 chain: what it fits and what the code means
S56 is a 3/8" LP pitch, .050" gauge chain with 56 drive links. It fits 523 saws listed below.
What S56 is
- Pitch
- 3/8" LP
- Gauge
- .050"
- Drive links
- 56
The letter S is the chain type, the number 56 is the drive link count.
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Check pitch, gauge and drive links on the listing before you order. How this works
Same length, different chain
The number is the length; the letter is the chain. These all have 56 drive links:
| Code | Type | Pitch | Gauge | Family |
|---|---|---|---|---|
| S56 | 91PX | 3/8" LP | .050" | AdvanceCut |
| R56 | 90PX | 3/8" LP | .043" | AdvanceCut |
R56: different pitch or gauge. Not a substitute for S56.
Saws that take S56
Makita · 29
McCulloch · 14
RedMax · 14
Dolmar · 13
Remington · 13
Cub Cadet · 1
Oregon · 1
Sun Joe · 1
Troy-Bilt · 1
Questions people ask
What does S56 mean on an Oregon chain?
S is the chain series (91PX, AdvanceCut: 3/8" LP pitch, .050" gauge). 56 is the number of drive links.
What bar length is S56?
Usually 16". What matters is the drive link count, 56: count the links on your old chain rather than going by the inches.
What file do I need for S56?
A 5/32" round file.