{"product_id":"oregon-advancecut-37977-20-in-bar-and-chain-combo-78-links","title":"Oregon AdvanceCut 37977 20 in. Bar and Chain Combo 78 links","description":"\u003cdiv\u003e\n\u003cp\u003eUpgrade your cutting performance with the Oregon AdvanceCut 37977 20 in. Bar and Chain Combo—built for serious work and designed to pair perfectly with a wide range of popular saws. This ready-to-install combo gives you a dependable 20\" bar and a matching chain, so you can get back to work faster with clean, precise cuts.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBar length:\u003c\/strong\u003e 20 inches—a versatile size for handling larger limbs and mid-sized logging tasks without sacrificing control.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive links:\u003c\/strong\u003e 78 drive links ensure a proper fit on compatible 20\" bars and chains, delivering smooth tracking and reliable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChain type and pitch:\u003c\/strong\u003e \u003cem\u003eH78\u003c\/em\u003e chain with a \u003cem\u003e0.325\" pitch\u003c\/em\u003e provides efficient cutting traction and predictable feeding through wood fiber.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGauge:\u003c\/strong\u003e.050—thick enough for durability and long life under typical homeowner and pro-use conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand compatibility:\u003c\/strong\u003e engineered to work well with popular saw brands, including \u003cem\u003eCraftsman\u003c\/em\u003e, \u003cem\u003eEcho\u003c\/em\u003e, \u003cem\u003eHitachi\u003c\/em\u003e, \u003cem\u003eHomelite\u003c\/em\u003e, \u003cem\u003eJohn Deere\u003c\/em\u003e, and \u003cem\u003ePoulan\u003c\/em\u003e, making it a versatile choice for mixed-tool setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSub Brand:\u003c\/strong\u003e AdvanceCut by Oregon—the line known for precision grinding, steady performance, and consistent tooth geometry.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 37977—a specific, trusted pairing within Oregon’s bar-and-chain ecosystem.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cp\u003eThis bar and chain combo is ideal for homeowners who regularly tackle large-diameter branches, contractors maintaining wood lots, and anyone who needs dependable performance on 20\" saws. If your equipment uses a 0.325\" pitch chain with a 20\" bar and you’re seeking steady cuts with predictable feed, the AdvanceCut 37977 is designed to deliver.\u003c\/p\u003e \u003ch3\u003eWhy this combo stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConsistent cutting geometry:\u003c\/strong\u003e the AdvanceCut line emphasizes precise tooth profiles and uniform sharpening, reducing pull and chatter for smoother operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurability in tough material:\u003c\/strong\u003e the.050 gauge strikes a balance between edge life and cutting aggressiveness, helping you push through seasoned wood without frequent re-sharpening.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBroad compatibility:\u003c\/strong\u003e with common 20\" bar setups across multiple brands, this combo minimizes hassle when upgrading or stocking spare parts for mixed-tool workshops.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore use, verify your saw is configured for a 20\" bar with a 0.325\" pitch chain and a.050 gauge to ensure proper fit and tension.\u003c\/li\u003e \u003cli\u003eKeep the chain sharp and properly lubricated to maximize bite and minimize heat buildup. Regular lubrication helps extend bar and chain life.\u003c\/li\u003e \u003cli\u003eTension the chain correctly after installing the bar and chain to prevent derailment and reduce wear on the drive links.\u003c\/li\u003e \u003cli\u003ePerform periodic checks for wear on the drive links and the bar groove; replace components if you notice excessive play or damaged teeth.\u003c\/li\u003e \u003cli\u003eFor best results on larger cuts, use a steady, controlled feed and avoid forcing the saw; let the chain do the work with steady RPM.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Oregon AdvanceCut 37977 20 in. Bar and Chain Combo for reliable, ready-to-go performance that keeps up with demanding cutting tasks. The combination of 20\" bar length, 78 drive links, and precise 0.325\" pitch with a.050 gauge delivers a balanced, efficient cut—backed by Oregon’s reputation for dependable bar-and-chain technology.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Oregon","offers":[{"title":"Default Title","offer_id":52176679076114,"sku":"73004","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/73004_A.eps_High.jpg?v=1775591146","url":"https:\/\/nationalhardwaregroup.com\/products\/oregon-advancecut-37977-20-in-bar-and-chain-combo-78-links","provider":"National Hardware Group","version":"1.0","type":"link"}