Oregon D59 chain: what it fits and what the code means

D59 is a 3/8" pitch, .050" gauge chain with 59 drive links. It fits 16 saws listed below.

What D59 is

Pitch
3/8"
Gauge
.050"
Drive links
59

The letter D is the chain type, the number 59 is the drive link count.

Buy this chain

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Oregon D59, 59 drive links

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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 59 drive links:

Codes with the same drive link count
CodeTypePitchGaugeFamily
D5972V3/8".050"AdvanceCut
S5991PX3/8" LP.050"AdvanceCut

S59: different pitch or gauge. Not a substitute for D59.

Saws that take D59

Homelite ยท 16

All 16 Homelite models

Questions people ask

What does D59 mean on an Oregon chain?

D is the chain series (72V, AdvanceCut: 3/8" pitch, .050" gauge). 59 is the number of drive links.

What bar length is D59?

Usually 16". What matters is the drive link count, 59: count the links on your old chain rather than going by the inches.

What file do I need for D59?

A 7/32" round file.