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Description
3639 005 0081 Stihl 26RS Super .325" Chainsaw Chain — 81 Drive Links Full Chisel Genuine OEM Part
The Stihl 26RS Super Chainsaw Chain Loop (81 Drive Links) is a high-performance genuine OEM replacement chain engineered for professional Stihl chainsaws requiring a 20-inch bar with a .325 pitch .063 gauge setup. Built with aggressive full-chisel cutters, this chain delivers extremely fast cutting performance, smooth cutting behavior, low vibration, and reduced chatter even under demanding professional conditions.
Ideal for heavy-duty forestry and firewood applications, the Stihl 3639 005 0081 chain offers excellent boring and plunge-cutting capability, precise fitment, and long-lasting durability for mid- to large-size saw setups.
Product Details
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Item Number: 3639 005 0081
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Brand Compatibility: Stihl
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Chain Family: Super
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Chain Model: 26RS
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Part Type: Chainsaw Chain Loop
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Bar Length: 20 Inch
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Pitch: .325"
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Gauge: .063"
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Drive Link Count: 81 Drive Links
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Cutter Type: Full Chisel
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Cutter Sequence: Standard
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Sharpening File Size: 3/16"
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Condition: New Genuine OEM Replacement Part
Function
This chain is designed to:
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Provide extremely fast cutting performance for professional use
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Deliver smooth cutting behavior with low vibration levels
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Reduce chatter for cleaner, more controlled cuts
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Support high-efficiency boring and plunge cutting
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Replace worn or damaged OEM chain loops
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Perform best in clean wood conditions with proper maintenance
⚠️ Full-chisel chains cut faster than semi-chisel chains but require more frequent sharpening and careful handling.
Verify Fitment in 30 Seconds
Before ordering, confirm the following on your guide bar or current chain:
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Pitch: .325"
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Gauge: .063"
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Drive Links: 81
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Bar Length: 20"
⚠️ Model alone does not guarantee fitment — bar specifications must match.
Compatibility
Fits Stihl chainsaws requiring a .325 pitch .063 gauge setup with 81 drive links, including:
Stihl 024
Stihl 026
Stihl 028
Stihl 029
Stihl 030
Stihl 031
Stihl 032
Stihl 034
Stihl 036
Stihl 038
Stihl 039
Stihl 040
Stihl 041
Stihl 042
Stihl 044
Stihl 045
Stihl 046
Stihl 048
Stihl 056
Stihl 064
Stihl 066
MS Series Models:
Stihl MS 260
Stihl MS 261
Stihl MS 270
Stihl MS 271
Stihl MS 280
Stihl MS 290
Stihl MS 291
Stihl MS 310
Stihl MS 311
Stihl MS 340
Stihl MS 341
Stihl MS 360
Stihl MS 361
Stihl MS 362
Stihl MS 380
Stihl MS 390
Stihl MS 391
Stihl MS 440
Stihl MS 441
Stihl MS 460
Stihl MS 460 R
Stihl MS 461
Stihl MS 640
Stihl MS 650
Stihl MS 660
Stihl MS 661
Electric Models:
Stihl E 15 Electric
Stihl E 20 Electric
Stihl E 220 Electric
Stihl MSE 220 Electric
⚠️ Always verify pitch, gauge, bar length, and drive link count before ordering to ensure correct fitment.
Equivalent / Replaces Part Numbers
Equivalent to:
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Oregon 22PLX
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Oregon 35LGX
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Oregon 22BPX
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Carlton K3L
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Windsor 63JL
Installation / Usage
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Remove the old chain from the guide bar
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Install the new Stihl 26RS Super chain loop onto the sprocket and bar
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Adjust chain tension properly (snug but movable by hand)
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Lubricate with proper bar and chain oil
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Test saw operation before heavy cutting use
Maintenance Tips
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Sharpen regularly using a 3/16" file
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Maintain proper depth gauge settings for peak performance
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Keep chain tension properly adjusted
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Clean cutters and drive links frequently
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Replace chain if damaged or excessively worn
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Store in dry, lubricated conditions to prevent corrosion


