The Wacker Neuson Shaft Seal is a genuine OEM component designed for the PT6LT, PT6LS, and PT6Y series 6-inch centrifugal trash pumps. As a direct OEM replacement, this seal is sourced to the same specification as the original — ensuring correct material grade, dimensional accuracy, and compression performance for your pump's drive shaft. It fits a wide range of PT6 configurations including trailer-mounted, skid-mounted, and EPA T4-compliant variants. Keep your pump protected against fluid ingress and shaft leakage with the correct OEM part.
Key Features
- OEM-Grade Seal Material — Manufactured to Wacker Neuson's original material and compression specifications, ensuring the seal seats and performs correctly around the pump drive shaft.
- Drop-In Shaft Replacement — Engineered to match the original shaft diameter and housing bore, so the seal installs directly into the existing pump housing without modification.
- Broad PT6 Series Fitment — Covers PT6LT, PT6LS, PT6Y, PT6YT, and PTK6 configurations, including trailer-mounted, skid-mounted, and EPA T4 variants across multiple build numbers.
- Prevents Costly Fluid Loss — A worn or failed shaft seal allows water and abrasive slurry to migrate along the shaft, accelerating bearing wear and leading to pump failure. This seal keeps the fluid path contained where it belongs.
- Leak-Free Operation at the Drive Interface — Correct sealing at the shaft prevents contamination of the mechanical seal cavity, maintaining pump efficiency and discharge pressure on high-volume 6-inch trash pumping applications.
The shaft seal sits at the point where the impeller drive shaft exits the pump housing, forming a dynamic barrier between the fluid chamber and the exterior. Its job is to prevent pumped liquid — which on a trash pump may include abrasive slurry, sediment-laden water, or construction site runoff — from escaping along the shaft. When the seal wears, you'll typically see fluid weeping from the shaft area, which signals contamination risk to the bearing assembly and a drop in overall pump efficiency. Replacing the shaft seal at the first sign of leakage is one of the most effective ways to extend the working life of a PT6 series pump.
Part Details
| Part Number | 5000072858 |
|---|---|
| Old Part Number | 0072858 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft Seal |
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.
