Description
STIHL 3639 005 0074 Chainsaw Chain – 20" Bar | .325" Pitch | .063" Gauge | 74 Drive Links – 26RS (Rapid Super, Full Chisel)
The STIHL 3639 005 0074 is a powerful Rapid Super (26RS) chainsaw chain engineered for high-speed cutting performance. With a .325" pitch, .063" gauge, and 74 drive links, this full chisel chain fits most 20-inch STIHL guide bars and is ideal for professional forestry, tree service, and firewood production.
The square-cornered full chisel cutters provide aggressive cutting in clean wood, making it one of STIHL’s fastest-cutting .325" chains. Trusted by loggers and arborists for its superior speed and sharpness, the 26RS is built for experienced users who demand top-tier performance.
🔧 Product Specifications:
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OEM Part Number: 3639 005 0074
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Chain Type: 26RS – Rapid Super (Full Chisel)
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Pitch: .325"
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Gauge: .063" (1.6 mm)
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Drive Links: 74
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Recommended Bar Length: 20 inches (50 cm)
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Cutter Type: Full chisel – square-cornered for fast, aggressive cutting
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Kickback Rating: Not low-kickback – for experienced users
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Lubrication: STIHL Oilomatic® design for smooth performance and longer life
✅ Compatible With STIHL Chainsaws:
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MS 261, MS 271, MS 291, MS 311, MS 391
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Fits STIHL saws equipped with a 20" bar, .325" pitch, and .063" gauge
⚠️ Always confirm saw, sprocket, bar, and chain compatibility before use.
🪓 Best For:
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Tree felling and bucking
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Logging and firewood cutting
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Forestry and land clearing
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Professional and semi-pro chainsaw users
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Fast cutting in clean, solid wood
🔁 Comparable Chains:
If STIHL OEM is unavailable, comparable chains include:
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Oregon 22LPX074G
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Carlton K2LM074G
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Forester F22-74
(Must match pitch, gauge, and drive links exactly for safety and performance.)
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🛠️ Why Choose STIHL 26RS Chains?
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Full chisel cutters for maximum cutting speed
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Rapid Super design for efficient wood removal
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STIHL Oilomatic® system for smooth operation and long wear
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Built for demanding jobs and experienced chainsaw users
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OEM STIHL quality for perfect fit and long-term durability
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