Stihl 3691-005-0091 OEM RMX Ripping Saw Chain (33 RMX • 28")

Genuine STIHL OEM Rapid Micro (RMX) ripping saw chain engineered specifically for chainsaw milling and ripping applications. This is the factory-correct 33 RMX 91DL chain loop — not aftermarket — sold by P&P Small Engines.

Designed for professional users and small sawmill setups, RMX ripping chains deliver smoother cuts, reduced vibration, and consistent performance when cutting with the grain.

Product Overview

• Brand: STIHL (OEM)

• OEM Part Number: 3691-005-0091

• Chain Model: 33 RMX (Rapid Micro Ripping Chain)

• Bar Length: 28 inch

• Pitch: 3/8"

• Gauge: .050" (1.3 mm)

• Drive Links: 91

• Cutter Type: Rapid Micro – Ripping profile

• Stock Number: 36910050091

• Condition: New OEM

This chain is purpose-built for ripping lumber, not cross-cutting. It is the correct OEM chain for milling operations using a 28" 3/8" .050 gauge guide bar.

What Is an RMX Ripping Chain?

STIHL RMX (Rapid Micro Ripping) chains are specially ground for cutting parallel to the wood grain, making them ideal for:

• Chainsaw milling

• Small sawmills

• Slabbing logs

• Producing dimensional lumber

Compared to standard cross-cut chains, RMX ripping chains:

• Cut smoother with the grain

• Produce a more uniform surface finish

• Reduce vibration and operator fatigue

• Place less strain on the saw during long milling cuts

Verify Fitment in 30 Seconds

Before ordering, confirm the following on your guide bar or current chain:

• Bar Length: 28"

• Pitch: 3/8"

• Gauge: .050"

• Drive Links: 91

⚠️ Ripping chains are not intended for standard cross-cutting.

If you are unsure about fitment or whether a ripping chain is right for your application, contact P&P Small Engines for guidance.

Compatible Applications

This OEM STIHL RMX ripping chain is ideal for:

• Chainsaw mills

• Small portable sawmills

• Log slabbing

• Milling clean hardwood and softwood

Best performance is achieved with high-horsepower saws, proper bar oiling, and correct chain tension.

Product Specifications

• Brand: STIHL

• Condition: New

• Chain Type: 33 RMX Rapid Micro (Ripping)

• Pitch: 3/8"

• Gauge: .050"

• Drive Links: 91

• Bar Length Compatibility: 28"

• OEM Part Number: 3691-005-0091

• Stock Number: 36910050091

Why Choose an OEM STIHL RMX Ripping Chain?

• ✅ Factory-ground ripping profile

• ✅ Designed specifically for milling applications

• ✅ Smoother cuts with less chatter

• ✅ Reduced wear during long rip cuts

• ✅ Exact STIHL OEM fitment and durability

OEM STIHL ripping chains outperform modified or aftermarket alternatives in consistency, longevity, and safety.

⚠️ User Recommendation

RMX ripping chains are intended for experienced users performing with-the-grain cuts only. Not recommended for dirty wood, cross-cutting, or general firewood use.

Why Buy From P&P Small Engines?

• 🔧 Professional-grade STIHL parts expertise

• 🔧 OEM-only STIHL products

• 🔧 Milling and chain selection support

• 🔧 Fast, careful shipping

We help professionals get the right chain for the job.

Common Search Terms

• Stihl 3691-005-0091 ripping chain

• Stihl 33 RMX 91DL chain

• Stihl 28 inch ripping chain OEM

• Stihl chainsaw mill chain

• Stihl RMX ripping saw chain

Questions?

If you need help selecting the correct ripping chain length or setting up a milling system, contact P&P Small Engines — we’re happy to help.