Overview
Bundled as 2 chains, this chain is a direct replacement for ATLAS 56937 models. Swapping in a new chain is the single most effective maintenance step to keep your saw performing at its best.
Key specifications
- Bar length: 18”
- Quantity: 2 chains per pack
Compatibility
This chain is designed to fit ATLAS 56937. Verify your specific model number and existing chain dimensions before purchasing.
Installation notes
Begin by shutting off the saw and disconnecting the power source. Loosen the bar-mounting fasteners and remove the side cover to access the chain. Slide the worn chain off, seat the replacement around the sprocket and into the bar groove with cutters pointing in the direction of rotation. Tighten the tensioning screw until there is slight play but no droop, then secure the cover.
Common questions
Q: Will this 2-pack of 18 inch chains fit my ATLAS 56937 chainsaw without changing the bar or sprocket?
Yes, these chains are intended to fit the ATLAS 56937 with the 18 inch bar, so they should install on the original setup without needing to change the bar or drive sprocket. As always, it’s a good idea to confirm your current chain markings and bar specs match your saw before installation.
Q: Since this comes with 2 chains, can I swap them out during the season and what’s the best way to maintain them on my ATLAS 56937?
Absolutely—rotating between the two chains is a smart way to reduce downtime and keep cutting performance consistent. Keep both chains properly sharpened, check tension before each use, and make sure the bar oil system is working well so the chain and bar on your ATLAS 56937 wear evenly.
Q: Is this replacement chain already ready to install on an 18 inch ATLAS 56937, or do I need to cut links or adjust anything first?
It should be ready to install as a direct replacement chain for the ATLAS 56937 with an 18 inch bar, so you should not need to remove links or modify it. After installation, tension it so the chain snaps back lightly against the bar, then run it briefly and recheck tension because a new chain can stretch slightly on first use.
