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Specifications, Details & Support Parts Cross Reference Reviews

Adaptable, Consistent and Durable. Oregon 3/4" pitch harvester replacement sprocket nose (RSN) guide bars fit at broad range of timber harvesting equipment. Built tough using specialized 3/8" thick alloy-steel with precision-milled grooves. Replacement nose kits are available to maximize bar life.

Product Details

Equipped with specific features that facilitate superior performance for a multitude of timber harvesting applications
The induction hardening process increases the longevity of your guide bar with precision heat-treated rails and added resistance to wear and chipping
Replaceable sprocket noses simplify on-site maintenance
Achieve higher productivity output with our straight and square-milled grooves that are designed for consistency, stability, and decreased wear
Engineered with high-grade alloy steel to minimize wear, chipping, and spreading
LubriTec increases the life of your guide bar and saw chain with advanced precision to allow the chain drive links and oil to have closer contact, significantly reducing oil waste
Image shown may not reflect actual bar tail motor mount, check Oregon Harvester Catalog for actual tail mount configurations

Specifications, Details & Support

Harvester Guide Bars
Product Family	Harvester Bar RSN
Guide Bar Code	SNC
Bar Length	33"
Pitch Pitch Chain Pitch is the size of the chain, and is defined as the distance between any three consecutive rivets divided by two. Oregon chain is made in several pitches - 1/4" is the smallest, 3/8" is the most popular, 3/4” is the largest. Pitch is important because the drive sprocket must be the same pitch as the chain, and if applicable, the bar nose sprocket. The easiest way to determine the pitch of your chain is to look at the number stamped on the drive link.	3/4"
Gauge Gauge Chain Gauge is the Drive Link's thickness where it fits into the bar groove. The gauge of the chain and the gauge of the bar must match. Oregon has several gauges for chainsaws - such as, .043”, .050"", .058” and .063"". Normal wear can make it difficult to accurately measure chain gauge on a worn chain. Always order by the number stamped on the drive link of your old chain to assure correct gauge.	.122"
Drive Links Drive Links The length of your chain is determined by counting the number of drive links in your chain. Your drive link count has a direct correlation to your bar’s length. Be careful; a bar made by Oregon may take a different drive link count than that of another producer. Here’s a tip: count the number of drive links in the chain you have now, and write that number down someplace where you can find it. Or, if you have an Oregon chain in an Oregon box, the drive link count is stamped on the flap; you can save that flap for future reference.	52.0
Tail Mount	T219

General
Color	Yellow
Volume	5.46 dm³
Product UOM	Each
Weight (with Packaging)	16.0 Lb
Net Weight Carton	0.0 Lb

Parts Cross Reference

Need Help? Contact Customer Service at 800-223-5168 or email us at oregon.support@oregontool.com

Oregon Harvester Bar, 3/4", 33 in, RSN

Product Details

Specifications, Details & Support

Parts Cross Reference

Replacement Guide

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Oregon Harvester Replacement RSN Nose Kit, 3/4" (40603A)

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