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The Oregon S45 is a 12-inch replacement saw chain with 45 drive links, 3/8-inch low-profile pitch and .050-inch gauge. It uses a semi-chisel cutter that stays sharp in dirty wood and a low-kickback design that meets the ANSI B175.1-2012 kickback standard. Oregon's LubriTec oiling slots feed oil to the bar and chain to slow wear. It is built for saws up to 42 cc, so it suits homeowners and light landscaping work rather than heavy felling. Against full-chisel chains it cuts slower in clean timber but holds an edge longer in gritty or frozen wood.
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Owners of small saws treat the S45 as a dependable stock replacement that cuts cleanly and holds up to occasional use. Most praise the fit on 12-inch saws and the low vibration. Some find it slower than the chain it replaced and note it needs frequent tensioning when new.
The Oregon AdvanceCut S45 is a replacement chainsaw chain for a 12-inch guide bar. It has 45 drive links, a 3/8-inch pitch and a .050-inch gauge. It is made to fit a variety of chainsaw models, for saws up to 42 cc.
This is a low-vibration, heat-treated semi-chisel chain. It is built for smooth cutting and a high tolerance for debris, with low kickback and easy maintenance. It meets the kickback performance requirement of ANSI B175.1-2012. The LubriTec oiling system is designed to extend the life of the guide bar and saw chain.
To order the correct chain, check the number stamped on the drive link of the old chain or the owner's manual. Gauge is the thickness of the drive link where it fits into the guide bar groove, and it must match the guide bar gauge. Pitch is the distance between any three consecutive rivets divided by 2. Guide bar length is the length of the bar from end to tip, not the full length of the chainsaw.
