Oregon D81 chain: what it fits and what the code means

D81 is a 3/8" pitch, .050" gauge chain with 81 drive links. It fits 144 saws listed below.

What D81 is

Pitch
3/8"
Gauge
.050"
Drive links
81

The letter D is the chain type, the number 81 is the drive link count.

Buy this chain

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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 81 drive links:

Codes with the same drive link count
CodeTypePitchGaugeFamily
D8172V3/8".050"AdvanceCut
L8122BPX.325".063"ControlCut

L81: different pitch or gauge. Not a substitute for D81.

Saws that take D81

Homelite · 4

Shindaiwa · 1

Skil · 1

Questions people ask

What does D81 mean on an Oregon chain?

D is the chain series (72V, AdvanceCut: 3/8" pitch, .050" gauge). 81 is the number of drive links.

What bar length is D81?

Usually 24". What matters is the drive link count, 81: count the links on your old chain rather than going by the inches.

What file do I need for D81?

A 7/32" round file.