Wacker Neuson 5000151530 Locknut

The Wacker Neuson Locknut is a genuine OEM component designed for PT2H and PT3H series centrifugal trash pumps and an extensive range of DPU reversible vibratory plate compactors, including the DPU 2440H, DPU 3050H, DPU 4045H, DPU 4545H, DPU 5045H, DPU 5545H, DPU 6275H, and DPU 6555H families. Sourced directly from Wacker Neuson, part meets the exact specifications of the original hardware — so it installs in the correct position with the correct torque retention characteristics every time. This Locknut also fits select RD15 and RD25 tandem roller configurations, as well as DS70 vibratory rammer and DPS1850H and DPS2050H single-direction vibratory plate models, making it a widely used fastener across the Wacker Neuson equipment lineup. Keeping the correct Locknut in place is essential to maintaining secure, vibration-resistant connections throughout the drivetrain and structural assemblies of these machines.

Key Features

• Genuine OEM Torque Retention: — Manufactured to Wacker Neuson's original thread-locking specification, ensuring the nut resists loosening under sustained vibration loads typical of compaction and pump operation.
• Drop-In Hardware Replacement: — Matches the original thread pitch, diameter, and seating geometry, so installation requires no reworking of mating hardware or fastener seats.
• Broad Fitment Across Multiple Equipment Families: — Confirmed fitment spans PT2H and PT3H trash pumps, the full DPU reversible plate compactor range from DPU 2440H through DPU 6555H, DPS1850H and DPS2050H vibratory plates, DS70 rammer, and RD15/RD25 tandem rollers.
• Vibration-Resistant Fastening: — A failed or missing locknut on compaction or pump equipment can cause joint loosening, component misalignment, or structural failure during operation; the correct OEM part maintains clamping force across extended duty cycles.
• Critical Fastener Integrity: — On equipment that generates continuous vibration, fastener-grade hardware is a safety-relevant component; using the correct OEM locknut helps prevent unintended loosening of load-bearing connections.

A locknut is a self-locking fastener designed to stay tight under vibration and dynamic loads that would cause a standard nut to work loose over time. On vibratory compaction equipment, pumps, and rollers, joints are constantly subjected to cyclic stress — without a properly functioning locknut, connections can back off gradually, leading to component movement, accelerated wear, and potential mechanical failure. Replacing a worn, damaged, or missing locknut with the correct OEM part restores the designed clamping integrity to the joint and prevents cascading damage to surrounding components.

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.

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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.