Skip to content Skip to navigation menu

SpeedCut™ Saw Chain, 16"

Part# M66

This product is only available through retailers or servicing dealers.

The Oregon M66 SpeedCut™ Saw Chain is a top performing chain for arborists and property owners. This 16", .325" pitch chain is more efficient since it needs less power from the saw. Low vibration, Micro-Chisel cutters offer excellent performance and easy maintenance. This chain fits saws from several manufacturers including Husqvarna®, Echo®, McCulloch®, Craftsman®, Jonsered® and Makita®.

Product Details

  • Pitch: .325", gauge: .050", narrow kerf, drive link count: 66
  • LubriTec™ keeps your chain and guide bar oiled for less friction and longer life
  • Blued Cutters deliver high-quality protection against corrosion
  • Expanded Top-Plate Filing Indicators and depth gauge filing indicators area make accurate sharpening easier
  • Exclusive OCS-01 Steel provides greater durability
  • For saw sizes 38-55 cc
  • Always use a SpeedCut™ narrow kerf chain in combination with SpeedCut or other narrow kerf bars

Specifications, Details & Support

Saw Chain
Product Family SpeedCut™
Chain Type 95TXL
Drive Links 66
Bar Length 16"
Chain Low Kickback (ANSI)
Narrow Kerf Yes
File Size 3/16"
Package Type Loop
Volume 320.613 in³
Product UOM Each
Weight (with Packaging) 0.641 Lb

Model Fit Guide and Parts Cross Reference

Need Help ? Contact Customer Service at +1 800-223-5168 or email us at

Fit Guide


CS-450, CS-450P, CS-4510, CS-490, CS-500P, CS-550P

MT 4400


133, 140S, 154, 234, 235, 235E, 238, 240, 240E, 242, 242XP, 246, 254, 257, 261, 262, 33, 336, 338XPT, 339XP, 340, 345, 346, 346XP, 346XPG, 350, 351, 353, 353E-TECH, 353G E-TECH, 357XP, 357XPG, 359, 359E-TECH, 360, 362 XP, 38, 40, 42, 435, 435E, 44, 440, 440E, 444, 445, 445E, 45, 450, 450E,
455 RANCHER, 460, 49, 50, 51, 543XP, 543XPG, 545, 545 MARK II, 55, 55 Rancher, 550XP, 550XP MARK II, 550XPG, 550XPG MARK II, 555, 57

2050, 2051, 2054, 2141, 2149 Turbo, 2150, 410, 420, 425, 435, 45, 450, 451, 455, 49, 50, 51, 510, 52, 521, 535, CS 2141, CS 2234, CS 2238S, CS 2240, CS 2240S, CS 2250S

DCS3500, DCS3501, DCS430, DCS4300, DCS4301, DCS431, EA6100PREG


CS 410, CS 450

GZ381, GZ4350, GZ500, GZ5000

634, 639, 641, 644, 645, 647, 650, 651, 652

ECS4000, ECS4000B, EVC4501, TCS40EA, TCS51EAP

Replacement Guide


581643666, H30 66, SP33G-66


Related Products

Oregon File Guide with Saw Chain File, 3/16" Round

Oregon File Guide with Saw Chain File, 3/16" Round

Assembled 3/16" file guide including one round file and one wooden handle.

Learn More
Oregon SureSharp 12V Handheld Saw Chain Sharpener

Oregon SureSharp 12V Handheld Saw Chain Sharpener

Ideal for occasional chain saw users, this durable and economical tool makes hand sharpening easy.

Learn More
Bar and Chain Lube, 1 Quart

Bar and Chain Lube, 1 Quart

This bar and chain lube is specially compounded to provide extra high tackiness and prevent "throw off" even under adverse weather conditions. Provides maximum engine power, low friction, and faster cutting time. High film-strength prevents wear or scuffing of chain links and bars while protecting metal parts against corrosion and rust. Resists build-up of deposits such as pitch, sap or gum.

Learn More
Black Apron Chaps, Size 40

Black Apron Chaps, Size 40

Comfortable protection for your legs while logging or using your chainsaw. These Oregon chaps featyre an Apron design, with 8 layers breathable warp knit chainsaw protection. Chaps are machine washable for repeated use.

Learn More
Chain Saw Gloves

Chain Saw Gloves

Protective chainsaw gloves from Oregon. Left hand chainsaw protection is ideal for having your free hand protected and operating hand comfortable. Washable material makes it easy to keep clean.

Learn More


Average Customer Rating

Be the first to review this product.

Back To Top