Automann MX301 Trunnion Seal – Heavy‑Duty Axle Seal Replacement

Product Overview

The Automann MX301 is a robust trunnion seal engineered to provide a reliable seal for Mack-style axle trunnions on heavy-duty trucks and trailers. It’s designed to prevent grease leakage and contamination, ensuring optimal axle performance and longevity.

🔍 Specifications & Dimensions

While manufacturers typically supply exact fitment details via axle diagrams or OEM catalogs, this seal is frequently used in Mack trunnion applications. For exact dimensions, consult your chassis manual or supplier.

🔁 Cross-Reference Part Numbers

Equivalents and cross-reference part numbers offer simple ordering and fitment accuracy:

• ATMMX301

• POWER10 SM‑006

• G3187L2200SA1536 (FleetPride / Dayton Parts 334445 / Euclid E3187 / Flagg MCK6)

🚛 Common Applications

The MX301 seal is widely used in trunnion axles, especially for Mack chassis but also fits other makes with compatible trunnion dimensions. Ideal for mechanics, fleets, and end-users performing axle maintenance or rebuilds.