STIHL 18" Farm Boss® Guide Bar – .325" Pitch, .063" Gauge – 74 Drive Links

The STIHL 18" Farm Boss® Chainsaw Guide Bar is a durable, professional-quality bar designed for reliable performance in firewood cutting, property maintenance, and light commercial applications. Built for strength and long service life, this guide bar delivers smooth chain travel and consistent cutting performance when paired with the correct STIHL chain.

Designed for .325" pitch, .063" gauge chains, this 18-inch guide bar uses 74 drive links for a precise fit. It is engineered to work with STIHL Farm Boss®–class chainsaws and is compatible with STIHL Rapid Micro Super (RMS) and Rapid Super (RS) chains.

Product Specifications:

STIHL Part Number: 3003 812 6817

• Bar Length: 18 in.

• Chain Pitch: .325 in.

• Gauge: .063 in.

• Drive Links: 74

• Guide Bar Type: STIHL Farm Boss®

• Recommended Chains:

  • 3689 005 0074 26RMS 74

  • 3639 005 0074 26RS 74

Fits STIHL Chainsaw Models:

• 027

• MS 270

• MS 290

• 026

• MS 260

• MS 271

• MS 291

• MS 261

Ideal for users who want a balanced combination of cutting performance, durability, and reliability, the STIHL 18" Farm Boss® guide bar is a trusted choice for everyday cutting tasks.

Sold by an authorized STIHL dealer.