The Wacker Neuson Lock Nut is a genuine OEM component designed for the PT6LT, PT6LS, and PT6LS(I) series 6-inch centrifugal trash pumps. As a direct OEM part, it is sourced and manufactured to the same specification as the original hardware installed at the factory, ensuring a correct fit within the pump assembly. This lock nut is compatible across the PT6LT pump with trailer, the PT6LS skid-mounted, and the PT6LS(I) trash pump configurations. When it comes to structural fasteners on high-vibration pump equipment, using the correct OEM part is the straightforward choice for maintaining assembly integrity.
Key Features
- Genuine OEM Hardware Grade — Manufactured to the exact thread profile, hardness, and torque specification required for secure fastening in a high-vibration pump environment.
- Drop-In Fitment — Matches the original fastener geometry exactly, threading directly into the existing pump assembly without modification to surrounding components.
- Broad PT6 Series Coverage — Fits the PT6LT (pump with trailer), PT6LS (skid-mounted), and PT6LS(I) trash pump variants, covering the full 6-inch Wacker Neuson centrifugal trash pump lineup.
- Vibration Resistance — A lock nut is specifically designed to resist loosening under the sustained vibration and load cycling that trash pumps generate during continuous operation; a worn or missing lock nut can allow critical fastened joints to work loose.
- Correct Fastener Compliance — On pump assemblies where fastener failure can lead to fluid leaks or mechanical separation, using the specified OEM lock nut ensures the joint performs as engineered.
A lock nut is a self-locking fastener that uses a deformed thread, nylon insert, or prevailing-torque design to resist backing off under vibration and dynamic loading. On centrifugal trash pumps like the PT6LT and PT6LS series, which run hard in demanding site conditions, fasteners throughout the pump housing, impeller assembly, and mounting structure are subjected to constant vibration and pressure fluctuation. When a lock nut becomes damaged, stripped, or is lost during service, replacing it with the correct OEM specification part restores the clamping force and locking resistance the joint was engineered to maintain — preventing loosening that could otherwise lead to leaks, misalignment, or component damage over time.
Part Details
| Part Number | 5000208072 |
|---|---|
| Old Part Number | 0208072 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6LT Pump w/Trailer | PT6LT | 5000007175 |
| 150mm/6in Centrifugal Trash Pu mp Skid Mounted | PT6LS | 5000007174 |
| Trash Pump | PT6LS(I) | 5200012427 |
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.
