Automann 750.2636NT Pinion Lock Nut for Meritor 140 Series | 40X1236

Automann 750.2636NT Drive Axle Pinion Lock Nut (Meritor 140 Series)

Secure your commercial drivetrain components with the heavy-duty Automann 750.2636NT Differential Pinion Lock Nut. Engineered to Fleet Standard specifications, this premium replacement nut is precision-machined for Meritor 140 Series drive axles, specifically securing the thru-shaft and rear input shaft assemblies.

Designed to withstand extreme rotational torque and severe chassis vibrations, this lock nut ensures critical pinion bearing preload is maintained, preventing costly gear alignment issues and catastrophic axle failures.

Product Specifications

• Brand: Automann

• Part Number: 750.2636NT

• Alternate Part Number: 40X1236

• Product Level: Fleet Standard

• Component Type: Pinion Lock Nut / Axle Nut

• Application: Meritor 140 Series Drive Axles (Thru-Shaft and Rear Input Shaft)

• Unit Size: 1 PC

• Weight: 0.26 lbs

• Package Dimensions: 2.07" x 1.81" x 0.72"

• Shipping: Parcel Friendly

• UPC Code: 889626580253

• Category: Power Train Differential Pinion Nuts

Installation Note: Optimized for seamless mechanical integration when paired with the 750.2636WAhardened pinion washer (sold separately).

Heavy-Duty Vehicle Applications

This premium drive axle lock nut is a direct factory replacement widely utilized on commercial class 8 trucks equipped with Meritor tandem or single drive axles, including:

• Freightliner Heavy Duty Trucks

• Volvo Commercial Trucks

• Meritor 140 Series Differential Carrier Assemblies

Direct OEM & Aftermarket Cross-Reference

Ensure an exact mechanical match. This component serves as a high-quality alternative to the following original equipment dealer and aftermarket numbers:

Key Performance Benefits

• Critical Thread Retention: Engineered to maintain constant tension on high-torque thru-shafts and rear input shafts, neutralizing intense commercial drivetrain vibrations.

• Exact OE Tolerances: Fully matches original Meritor blueprints, providing smooth thread engagement and preventing cross-threading or thread binding during installation.

• Fleet-Proven Strength: Forged from high-grade structural alloy steel to endure maximum axle torque spikes during heavy-haul acceleration and sudden engine braking cycles.