Chainsaw Chain Code Identification Chart
Chainsaw Chain Code Reference Tables
Use these tables to help identify common chain codes, stamped drive link markings, pitch and gauge across STIHL, Oregon, Carlton and Husqvarna chains.
| STIHL Part Number | Oregon Code | Pitch | Gauge |
|---|---|---|---|
| 13RM, 13RMS | 25AP | 1/4" | .050" |
| 61PMM3 | 90PX | 3/8" Low Profile | .043" |
| 63PM3 | 91P | 3/8" Low Profile | .050" |
| 63PM1, 63PMC3 | 91VXL | 3/8" Low Profile | .050" |
| 23RM, 23RMC | 95TXL | .325" | .050" |
| 23RMC, 23RM2 | 20BPX | .325" | .050" |
| 23RS, 23RSC, 23RSC3 | 20LPX | .325" | .050" |
| 25RM, 25RMC, 25RM2, 25RMC3 | 21BPX | .325" | .058" |
| 25RSC3 | 21LPX | .325" | .058" |
| 26RM, 26RMC, 26RMC3 | 22BPX | .325" | .063" |
| 26RS, 26RSC, 26RSC3 | 22LGX | .325" | .063" |
| 33RM, 33RMC, 33RMC3 | 72DPX | 3/8" | .050" |
| 33RMF | 72APX | 3/8" | .050" |
| 33RS, 33RSC | 72EXL | 3/8" | .050" |
| 33RSC3 | 72LPX | 3/8" | .050" |
| 33RSF | 72EXJ | 3/8" | .050" |
| 33RSLK | 72CL | 3/8" | .050" |
| 33RSLHK | 72CK | 3/8" | .050" |
| 33RSLF | 72CJ | 3/8" | .050" |
| 35RM, 35RMC, 35RMC3 | 73DPX | 3/8" | .058" |
| 35RS, 35RSC | 73EXL | 3/8" | .058" |
| 35RSC3 | 73LPX | 3/8" | .058" |
| 35RSF | 73EXJ | 3/8" | .058" |
| 36RM, 36RMC, 36RMC3 | 75DPX | 3/8" | .063" |
| 36RS, 36RSC | 75EXL | 3/8" | .063" |
| 36RSC3 | 75LPX | 3/8" | .063" |
| 36RSF | 75EXJ | 3/8" | .063" |
| 36RSLK | 75CL | 3/8" | .063" |
| 36RSLHK | 75CK | 3/8" | .063" |
| 36RSLFK | 75CJ | 3/8" | .063" |
| Code | Pitch | Gauge |
|---|---|---|
| E1 | 1/4 mini | .050 |
| K1 | .325 | .050 |
| K2 | .325 | .058 |
| K3 | .325 | .063 |
| N4, N | 3/8 low profile | .043 |
| N1 | 3/8 low profile | .050 |
| A1 | 3/8 | .050 |
| A2 | 3/8 | .058 |
| A3 | 3/8 | .063 |
| B1 | .404 | .050 |
| B2 | .404 | .058 |
| B3 | .404 | .063 |
| Code | Pitch | Gauge |
|---|---|---|
| 25 | 1/4 mini | .050 |
| 20 | .325 | .050 |
| 21 | .325 | .058 |
| 22 | .325 | .063 |
| 19 | .325 | .063 |
| 33 | .325 | .050 |
| 34 | .325 | .058 |
| 35 | .325 | .063 |
| 95 | .325 | .050 |
| 90 | 3/8 low profile | .043 |
| 91 | 3/8 low profile | .050 |
| 72 | 3/8 | .050 |
| 76 | 3/8 | .050 |
| 73 | 3/8 | .058 |
| 77 | 3/8 | .058 |
| 75 | 3/8 | .063 |
| 78 | 3/8 | .063 |
| 28 | .404 | .050 |
| 50 | .404 | .050 |
| 26 | .404 | .058 |
| 51 | .404 | .058 |
| 58 | .404 | .058 |
| 27 | .404 | .063 |
| 52 | .404 | .063 |
| 59 | .404 | .063 |
| 68 | .404 | .063 |
| 16 | .404 | .063 |
| 18 | .404 | .080 |
| 9 | 1/2 | .058 |
| 10 | 1/2 | .063 |
| 11 | 3/4 | .122 |
| Chain Code | Pitch | Gauge |
|---|---|---|
| 00 | 1/4" | .050" |
| 22, 23, 30, 37, 78 | .325" | .050" |
| 21, 25, 38 | .325" | .058" |
| 26 | .325" | .063" |
| 35, 36 | 3/8" Low Profile | .050" |
| 46, 47, 51, 80, 82 | 3/8" | .050" |
| 42, 48, 54, 81 | 3/8" | .058" |
| 45, 50, 83 | 3/8" | .063" |
| 69 | .404" | .058" |
| 57, 64, 65 | .404" | .063" |