The Wacker Neuson is a genuine OEM Threaded Plug designed for the PDT and PDI series diaphragm trash pumps and the RT560 and RT820 series vibratory trench rollers. As a direct OEM component, it is manufactured to the exact dimensions and thread specifications required for a leak-free, secure fit in these machines. This plug fits an extensive range of models across both the diaphragm pump and trench roller families, including the PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, PDI3A, RT560, RT820, and RT820HT. Sourcing part number directly ensures you receive the correct component for your specific Wacker Neuson equipment.
Key Features
- Genuine OEM Thread Integrity — Manufactured to exact thread pitch and diameter specifications, ensuring a fully sealed fit with no risk of cross-threading or fluid bypass.
- Drop-In Replacement — Installs directly into the existing threaded port with no re-tapping or modification to the housing required.
- Broad Fitment Across Two Machine Families — Confirmed for PDT and PDI diaphragm trash pump series (2-inch and 3-inch models) as well as RT560 and RT820 vibratory trench rollers, including HT variants.
- Prevents Fluid Loss and Contamination — A correctly seated threaded plug maintains system pressure and prevents debris or moisture ingress at the port, protecting internal components from premature wear.
- Fuel and Fluid System Compliance — On pump and roller applications where fluid containment is critical, using the correct OEM plug eliminates the risk of seepage that could create unsafe working conditions or environmental non-compliance.
A threaded plug seals an unused or access port in a machine's fluid system — whether that is the pump housing on a diaphragm trash pump or a fluid circuit port on a trench roller. It prevents fluid from escaping and stops contaminants from entering the system through that opening. When a threaded plug is missing, damaged, or incorrectly sized, the result can range from fluid leaks and pressure loss to internal contamination that accelerates component wear and leads to system failure.
Part Details
| Part Number | 5000079757 |
|---|---|
| Old Part Number | 0079757 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Threaded Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 50mm/2in Diaphragm Trash Pump | PDT2A | 5000007610, 5000007611 |
| 75mm/3in Diaphragm Trash Pump | PDT3A | 5000007614, 5000007615, 5000007616 |
| 50mm/2in Inline Diaphragm Tras h Pump | PDI2A | 5000007624, 5000007625 |
| 75mm/3in Inline Diaphragm Tras h Pump | PDI3A | 5000007628, 5000007629, 5000009407 |
| 50mm/2in Diaphragm Trash Pump | PDT2 | 5000009494, 5000007633 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000007619 |
| Vibratory Trench Roller | RT560 | 5000009001, 5000009000, 5000007643, 5000007642 |
| Vibratory Trench Roller | RT820 | 5000009003, 5000009002, 5000007644, 5000007652 |
| Vibratory Trench Roller | RT820HT | 5000007645, 5000008047 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| 50mm/2in Diaphragm Trash Pump | PDT2B | 5000007612, 5000007613 |
| 75mm/3in Diaphragm Trash Pump | PDI3 | 5000009491, 5000009492 |
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.
