Products Description
MS660 Chainsaw Chain – 30" Bar, 3/8" Pitch, .063" Gauge, 96 Drive Links
Precision Full-Chisel Chain for STIHL 066 & MS660 Professional Saws
This 96-drive-link chainsaw chain is engineered to fit a 30-inch guide bar on STIHL MS660, MS661, and compatible professional saws . Featuring a 3/8" pitch and .063" gauge, this full-chisel chain is designed for demanding felling and bucking operations. The 3/8" pitch is the standard specification for the MS660 platform, providing aggressive cutting performance for large-diameter timber . Available in OEM and aftermarket options, this chain is ideal for professional loggers, arborists, and heavy-duty forestry applications.
Technical Profiles & Materials
30-Inch Bar Compatibility – Designed for 30-inch guide bars on STIHL MS660, MS661, and compatible saws. Pairs with a 96-drive-link configuration for a precise fit. The MS660 supports bar lengths from 20 to 36 inches, with the 30-inch bar providing optimal reach and cutting capacity .
3/8" Pitch with .063" Gauge – The 3/8" pitch is a standard for MS660-class saws, offering aggressive cutting speed and power transfer . The .063" gauge provides extra durability for longer bars, with the thicker drive links contributing to straighter cuts and reduced chain stretch compared to thinner gauges .
OEM & Aftermarket Availability – Available as genuine STIHL or quality aftermarket chains from professional brands. Oregon PowerCut chain options are compatible with MS660, MS650, MS661, 044, and 066 models for 30-inch bars . Full-chisel cutters provide aggressive cutting performance ideal for large logs.
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | Bar Length | 30 inches |
| 2 | Chain Pitch | 3/8" |
| 3 | Gauge | .063" (1.6mm) |
| 4 | Drive Links | 96 |
| 5 | Compatible Models | STIHL MS660, MS661, MS650, MS640, 066, 064 |
| 6 | Cutter Type | Full-chisel |
| 7 | Material | High-grade steel |
| 8 | File Size | 5/32" (4.0mm) for 3/8" pitch chain |
Products Application
Professional Felling & Logging
The 96-drive-link chain provides the reach needed for felling large trees. Full-chisel cutters deliver fast, efficient cuts in clean timber, making it ideal for professional loggers and forestry operations. The .063" gauge offers better tracking on long bars and maintains straighter cuts through large-diameter logs .
Heavy-Duty Bucking
The 30-inch bar and 3/8" pitch chain combination enables efficient bucking of large logs into firewood or lumber lengths. The MS660's 91cc engine provides the power needed to pull the 96-drive-link chain through hardwoods without bogging down.
Storm Cleanup & Land Clearing
Extended reach allows operators to safely tackle fallen trees and storm-damaged timber. The 3/8" pitch system provides the aggressive cutting action needed for fast cleanup operations while maintaining professional-grade durability.
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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FAQ
Q: How do I confirm this chain fits my MS660?
A:Check your current guide bar specifications or owner's manual. The chain requires a 30-inch bar with 3/8" pitch and .063" gauge. The MS660 supports bar lengths from 20 to 36 inches . Verify your bar's stamped specifications match 3/8" pitch, .063" gauge, and 96 drive links.
Q: What is the advantage of .063" gauge over .050" on a 30-inch bar?
A: The .063" gauge provides increased durability for longer bars. It offers better straight-line tracking and carries slightly more oil down the bar, reducing wear during extended cuts . While .050" is also available, .063" is preferred by many professionals for 30-inch and longer bars.
Q: What is the correct file size for sharpening this chain?
A: For 3/8" pitch chain, the correct file size is 5/32" (4.0mm) . Always use the correct file size to maintain proper cutting angles and cutter geometry.
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