Wacker Neuson 1000049112 Crown Nut

The Wacker Neuson Crown Nut is a genuine OEM fastener designed for the WL50 Articulated Wheel Loader. Sourced directly from Wacker Neuson, this crown nut meets the exact specifications used in original production, ensuring a correct, secure fit within the assembly it serves. If you operate or service the WL50 Cab configuration, the is the confirmed replacement nut for your machine.

Key Features

• Genuine OEM Fastener Integrity — Manufactured to the same hardness grade, thread pitch, and dimensional tolerances as the original production part, so clamping load and torque retention are not compromised.
• Direct Drop-In Replacement — Matches the original crown nut profile, including castellations for cotter pin retention where applicable, so installation follows the standard service procedure without alteration.
• Confirmed WL50 Fitment — Verified for the WL50 Articulated Wheel Loader (Cab configuration), giving you confidence you are ordering the correct part for your machine.
• Secure Fastening Under Load — Crown nut design resists loosening under dynamic and vibration loads typical of wheel loader operation, maintaining the integrity of the fastened joint over extended service intervals.
• Safety-Critical Retention — Crown nuts are commonly used in steering, axle, and suspension applications where fastener loss or loosening can affect vehicle control; using the correct OEM specification nut is essential in these locations.

A crown nut — also known as a castellated nut — is a threaded fastener with a series of slots cut into the top, allowing a cotter pin or safety wire to pass through a drilled bolt or shaft and lock the nut firmly in position. This design prevents the nut from backing off under vibration or cyclic loading, making it a preferred choice in high-consequence joints such as wheel bearings, steering linkages, and axle assemblies. When a crown nut becomes damaged, corroded, or is lost during service, replacing it with the correct OEM specification part is critical — an incorrect nut can compromise the locking mechanism and lead to joint failure during operation.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.