Oregon R28 chain: what it fits and what the code means

R28 is a 3/8" LP pitch, .043" gauge chain with 28 drive links. It fits 3 saws listed below.

What R28 is

Pitch
3/8" LP
Gauge
.043"
Drive links
28

The letter R is the chain type, the number 28 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 R28

Milwaukee · 1

Questions people ask

What does R28 mean on an Oregon chain?

R is the chain series (90PX, AdvanceCut: 3/8" LP pitch, .043" gauge). 28 is the number of drive links.

What bar length is R28?

Usually 6". What matters is the drive link count, 28: count the links on your old chain rather than going by the inches.

What file do I need for R28?

A 4.5 mm round file.