Wacker Neuson 5000207589 Locknut

The Wacker Neuson Locknut is a genuine OEM component designed for the DPU4545, DPU5247, DPU5260, DPU5275, DPU5545, DPU6055, DPU6260, DPU6275, and DPU6555 series reversible vibratory plate compactors. As a factory-sourced part, the meets Wacker Neuson's original design specifications, ensuring it seats and torques correctly in the assembly where it's used. This Locknut covers an extensive range of DPU variants — including He, Heh, Hech, Heap, Hesh, and Hechzf suffix configurations — making it a high-demand service item across the DPU family. Always confirm your machine's model and serial number before ordering to ensure the correct application.

Key Features

• Genuine OEM Thread Integrity — Manufactured to Wacker Neuson's original torque and thread specifications, so the nut engages and locks with the same holding force as the unit that left the factory.
• Drop-In Replacement — Matches the original fastener's thread pitch, diameter, and locking profile for straightforward installation without reworking the mating hardware.
• Broad DPU Series Coverage — A single part number spans DPU4545, DPU5260, DPU5275, DPU5545, DPU6055, DPU6260, DPU6275, and DPU6555 variants, covering He, Heh, Hech, Heap, Hesh, Hechzf, and US-market configurations.
• Maintains Secure Assembly Under Vibration — Reversible plate compactors generate continuous high-frequency vibration; a correctly specified locking fastener resists self-loosening and keeps critical assemblies tight throughout the compaction cycle.
• Prevents Costly Secondary Damage — A failed or missing locknut can allow components to shift or separate during operation, leading to accelerated wear or damage to surrounding parts that far exceeds the cost of routine fastener replacement.

A locknut is a fastener engineered to resist loosening under vibration and dynamic loads by incorporating a locking mechanism — such as a deformed thread, nylon insert, or prevailing-torque profile — that maintains clamping force even as the machine cycles through repeated compaction strokes. On heavy-duty reversible vibratory plate compactors like the DPU series, this resistance to self-loosening is critical: the exciter system generates sustained vibration that would cause a standard nut to back off over time. When a locknut wears out, strips, or goes missing, the components it secures can shift out of alignment or separate entirely, causing progressive mechanical damage and unsafe operating conditions.

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.