The Wacker Neuson is a genuine OEM Lock Nut designed for the PT6LT, PT6LS, PT6Y, PT6YT, and PTK6 series 6-inch self-priming centrifugal trash pumps. As a factory-sourced component, it meets the exact thread specification and torque requirements of the original hardware used on these machines. This lock nut fits a wide range of PT6 configurations, including trailer-mounted, skid-mounted, and EPA Tier 4 variants, so you can order with confidence across the full family. Keep a spare on hand — fastener hardware is a common service item during pump maintenance and impeller or wear plate replacement.
Key Features
- Genuine OEM Thread Specification — Manufactured to the exact thread pitch and hardness grade specified for Wacker Neuson PT6 pump assemblies, ensuring correct torque retention without stripping or backing off under vibration.
- Drop-In Replacement — Matches the original fastener position and dimensions; installs directly without modification to mating components or hardware.
- Broad PT6 Family Coverage — Compatible with PT6LT, PT6LS, PT6Y, PT6YT, PTK6, and EPA Tier 4 PT6 variants, including trailer-mounted and skid-mounted configurations.
- Vibration-Resistant Locking Design — The lock nut's self-locking feature prevents loosening during pump operation, maintaining clamping force on critical pump components over extended run cycles.
- Correct Fastener Hardware Matters — Using the specified lock nut prevents premature loosening that can lead to misalignment, leaks, or component damage in high-cycle pump operation.
A lock nut is a fastener engineered to resist loosening under vibration and dynamic loads — conditions that are constant in a running trash pump. Unlike a standard hex nut, the locking feature (whether nylon insert, prevailing torque, or deformed thread) maintains clamping force even as the pump cycles through start-up, full-load operation, and shutdown. In a centrifugal trash pump like the PT6 series, properly secured fasteners are essential to keep impeller assemblies, wear plates, and pump housings correctly aligned and sealed. A worn or missing lock nut can allow critical components to shift, leading to increased wear, loss of priming efficiency, or fluid leaks.
Part Details
| Part Number | 5000072860 |
|---|---|
| Old Part Number | 0072860 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6LT Pump w/Trailer | PT6LT | 5000007175, 5200014740 |
| 150mm/6in Centrifugal Trash Pu mp Skid Mounted | PT6LS | 5000007174, 5200014741 |
| PT6Y | PT6Y-SA | 5100070835 |
| PT6YT | PT6YT | 5100070966 |
| PUMP PT6Y-AU | PT6Y-AU | 5100076956 |
| PT6YT | PT6YT-IN | 5100077923 |
| PT 6LS | PT6LS(I) | 5200017427, 5200012427 |
| Trash Pump | PT6LT(I) | 5100014076 |
| PT6Y | PT6Y | 5100064168, 5100069617 |
| Trash Pump | PTK6 | 5200007830 |
| PT6Y | PT6Y EPA T4 | 5100073464 |
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.
