§ Fitment Guide
McCulloch PROMAC 10-46 chain size & replacement chart
The McCulloch PROMAC 10-46 takes a .325" pitch, .050" / 1.3mm gauge chain. Below: every factory bar length with its exact drive-link count, cross-referenced to Oregon part numbers, plus the OEM parts list.
Fitment matrix
| Bar length | Pitch | Gauge | Drive links | Oregon chains | Bars / combos |
|---|---|---|---|---|---|
| 33cm | .325" | .050" / 1.3mm | — | 576787M95VPX056E95TXL056EQ95TXL056E | 130MLBK095130TXLBK095578707581621 |
| 38cm | .325" | .050" / 1.3mm | — | 576788M95VPX064E95TXL064EQ95TXL064E | 150MLBK095150MPBK095150TXLBK095578708581620 |
| 45cm | .325" | 1.3mm | — | 20LGX072EQ20BP072E20BPX072E20LPX072E | — |
Source: Oregon part-finder (EU), retrieved 2026-07-06. Part numbers link to the manufacturer's spec page. Always confirm drive-link count against your current chain before ordering.
Compatible chains in our shop
How to confirm the fit
- Read your bar. The pitch and gauge are stamped on the guide bar near the saw body — e.g.
3/8" LP .050". - Count drive links. Lay the old chain flat and count the teeth that ride inside the bar groove. This number must match exactly; length in inches is not enough.
- Match all three. Pitch, gauge and drive-link count all have to agree with a row in the table above. Two of three is not a fit.
Watch: how to identify chain pitch and gauge
Oregon Products: Identifying Chain Pitch and Chain Gauge Official video from Oregon Products, the manufacturer behind the cross-reference part numbers above.
Official McCulloch resources
- McCulloch manuals & IPL — owner's manual for the PROMAC 10-46, including tensioning and maintenance intervals.
- McCulloch parts diagrams — exploded parts diagrams and OEM part numbers.
FAQ
What size chain does a McCulloch PROMAC 10-46 take?
The McCulloch PROMAC 10-46 runs a .325" pitch, .050" / 1.3mm gauge chain. Available bar lengths: 33cm, 38cm, 45cm. Match the drive-link count to your bar (see the table above).
How do I know which gauge my PROMAC 10-46 chain is?
Check the number stamped on your guide bar near the tail, or measure the drive-link thickness with calipers. Common gauges for the PROMAC 10-46 are .050" / 1.3mm, 1.3mm.
Can I put a longer bar on my McCulloch PROMAC 10-46?
Oregon lists 33cm, 38cm, 45cm bars for the PROMAC 10-46. Stay within this range — a longer bar than the engine is rated for cuts slowly and accelerates wear.