Home / Chain specs / 3/8″ · .058″
3/8″ · .058″ (1.5 mm) chain
The chain spec for large homeowner, ranch & professional saws (55 cc +). Pitch 3/8″, gauge .058″ (1.5 mm), round file 7/32″ (5.2 mm) — sold as Oregon 73 (73LPX).
Chain codes by brand
| Oregon | Stihl | Husqvarna | Carlton |
|---|---|---|---|
| 73 (73LPX) | — | H81 | — |
Codes are the ones confirmed in manufacturer and dealer data we checked; a dash means we have not verified that brand's code for this spec — match on pitch, gauge and drive links instead.
Saws that use this chain
| Saw | Bar | Drive links | Status |
|---|---|---|---|
| Husqvarna 455 Rancher | 20″ | 72 | VERIFIED |
Part numbers on file
- Husqvarna H81-72 (OEM)
- Oregon 73LPX072 (equivalent)
3/8″ chain also comes in .050″ (1.3 mm) and .063″ (1.6 mm) (Oregon 72 (72LPX / 72EXL), 75 (75LPX)). The boxes look near-identical, but the gauge must match the groove in your bar — read it off the bar stamp, never guess it from the pitch. See Oregon 72 vs 73.
Questions
What chain codes are 3/8″ .058″ chain?
Oregon: 73 (73LPX). Stihl: —. Husqvarna: H81. Carlton: —. A dash means we have not verified that brand's code for this spec — match on pitch, gauge and drive links instead.
What file sharpens 3/8″ chain?
7/32″ (5.2 mm) round file. File size follows pitch: 3/8″ low-profile takes 5/32″ (4.0 mm), .325″ takes 3/16″ (4.8 mm), and standard 3/8″ takes 7/32″ (5.2 mm).
Which saws use 3/8″ .058″ chain?
Among the saws verified on this site: Husqvarna 455 Rancher. The drive-link count depends on the bar fitted, so match it on your bar stamp.
Can I use a different gauge chain on the same pitch?
No. Gauge is the thickness of the drive links and must match the groove in your guide bar. A thicker chain will not seat; a thinner one wobbles in the groove, wears the bar rails and can derail.
← All chain specs · Identification chart · Verify on your bar