Oregon D70 chain: what it fits and what the code means
D70 is a 3/8" pitch, .050" gauge chain with 70 drive links. It fits 178 saws listed below.
What D70 is
- Pitch
- 3/8"
- Gauge
- .050"
- Drive links
- 70
The letter D is the chain type, the number 70 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 70 drive links:
| Code | Type | Pitch | Gauge | Family |
|---|---|---|---|---|
| D70 | 72V | 3/8" | .050" | AdvanceCut |
| E70 | 72LPX | 3/8" | .050" | PowerCut |
E70: same pitch and gauge as D70, different cutter. Either fits the same bar.
Saws that take D70
McCulloch · 39
Western Auto · 4
RedMax · 1
Skil · 1
Questions people ask
What does D70 mean on an Oregon chain?
D is the chain series (72V, AdvanceCut: 3/8" pitch, .050" gauge). 70 is the number of drive links.
What bar length is D70?
Usually 20". What matters is the drive link count, 70: count the links on your old chain rather than going by the inches.
What file do I need for D70?
A 7/32" round file.