143-240-3311 | SISU Axle FRMP-13/16-S | 4.68 Ratio | New Genuine Marmon-Herrington

143-240-3311 | SISU FRMP-13/16-S Ring & Pinion Gear Set (4.68 Ratio) — New Genuine Marmon-Herrington

The 143-240-3311 is a factory-new genuine Sisu/Marmon-Herrington matched ring & pinion gear set for the FRMP-13/16-S axle, built to a 4.68:1 ratio. In stock and ready to ship from Mansfield, Ohio.

Summary

New genuine Sisu/Marmon-Herrington 4.68 ratio gearset for FRMP-13/16-S axles. 27-tooth ring / 21-tooth pinion. Sold as a matched set.

Quick Specs

• Part Number: 143-240-3311
• Axle Model: Sisu FRMP-13/16-S
• Brand: Sisu / Marmon-Herrington
• Ratio: 4.68:1
• Tooth Count: Ring 27 / Pinion 21
• Condition: New genuine OEM
• Application: Marmon-Herrington/Sisu FRMP-13/16-S axle (verify compatibility)

What’s Included

• (1) Matched ring gear
• (1) Matched pinion gear

Fitment Notes

• Engineered for Sisu FRMP-13/16-S axles requiring a 4.68 ratio
• Please confirm axle model, ratio, and tooth count prior to ordering

Shipping & Availability

• Ships from Mansfield, Ohio
• Commercial freight or parcel — packaged to protect gear teeth
• International shipping available

Image Disclaimer

Photos show the actual gear set or a representative example. Minor handling marks from storage/inspection may be present.

Warranty

Sold as-is with no manufacturer warranty. All sales final. Please confirm compatibility before purchase.

Need Help?

Have an axle tag or build sheet? We’ll confirm fitment before you buy.
Call 419-522-3320 or message us with your details.

Heavy-Duty Solutions — Built to Perform. Trusted to Last.

Reference Documentation

• 📄 Sisu Axles Service Bulletin S11004 (PDF)
• 📄 Sisu FRMP-13/16-S Illustrated Parts List (PDF)