Wacker Neuson 5000119736 Locknut

The Wacker Neuson Locknut is a genuine OEM component engineered for use across a broad range of Wacker Neuson equipment, including DS70 and DS720 diesel vibratory rammers, DPU4045 series reversible vibratory plate compactors, VP and VPY series single-direction vibratory plates, RD7 and RD10 walk-behind tandem rollers, PT2Y and PT3Y centrifugal trash pumps, and YD/D3.5Y modular internal vibrator systems. As a factory-sourced part, the matches the original specification for thread pitch, hardness, and locking torque retention — exactly as Wacker Neuson designed it. Whether you are servicing a diesel rammer on a trench job or performing scheduled maintenance on a compactor or roller, this locknut delivers the secure fastening the original assembly requires. Confirm your machine's model and machine number before ordering to ensure correct application.

Key Features

• Genuine OEM Thread and Torque Specification — Manufactured to the exact thread pitch, hardness rating, and prevailing-torque locking force specified by Wacker Neuson for the original assembly — not a generic fastener grade.
• Direct-Fit Replacement — Matches the original locknut position and thread engagement, seating correctly without rework or modification to adjacent hardware.
• Broad Multi-Family Fitment — Verified for DS70 and DS720 diesel rammers, DPU4045 and DPU40/45Yeh reversible plate compactors, VP2050Y and VPY series vibratory plates, RD7 and RD10 tandem rollers, PT2Y and PT3Y trash pumps, and YD/D3.5Y internal vibrators.
• Locking Integrity Under Vibration — Compaction and demolition equipment operate under sustained high-frequency vibration; a worn or under-spec locknut will back off under load, causing structural looseness or component failure at the fastened joint.
• Safety-Critical Fastener — On vibratory rammers, plate compactors, and rollers, fastener failure at key joints can result in component separation during operation; using the correct OEM-spec locknut is essential for safe, compliant service.

A locknut is a specialized fastener designed to resist loosening when subjected to vibration, torque cycling, and mechanical shock — conditions that quickly defeat standard nuts. It achieves this through a prevailing-torque mechanism, such as a nylon insert, distorted thread profile, or all-metal interference design, which maintains clamping force even as the surrounding assembly flexes and vibrates. On equipment like vibratory rammers and plate compactors, where the entire machine generates continuous impact energy, maintaining correct fastener clamp load at structural and drivetrain joints is critical to keeping components properly located and preventing progressive loosening that can lead to costly damage. A locknut that has lost its locking feature — through wear, over-tightening, or reuse — should always be replaced with a new unit rather than reinstalled.

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.