The Wacker Neuson Axle is a genuine OEM component designed for PDT2A, PDT3A, PDT2, PDT3, PDT2B, and PDI series diaphragm trash pumps. As a direct OEM part, the is manufactured to the same standards as the original, ensuring a drop-in fit with no guesswork on compatibility. This axle is confirmed across both 50mm/2-inch and 75mm/3-inch pump configurations, covering a wide range of Wacker Neuson diaphragm trash pump models. When it's time to restore your pump to full working order, sourcing the correct OEM axle matters — and this is the part your machine was built with.
Key Features
- Genuine OEM Construction: — Manufactured to the original dimensional and material tolerances, so the axle seats, rotates, and loads exactly as designed in Wacker Neuson diaphragm trash pumps.
- Direct-Fit Replacement: — Engineered to install in place of the original without alteration, with correct journal sizing and mounting geometry for the PDT and PDI pump frames.
- Broad Series Compatibility: — Fits PDT2A, PDT2B, PDT3A, PDT2, PDT3, and PDI2/PDI3 diaphragm trash pump models in both 50mm/2-inch and 75mm/3-inch discharge configurations.
- Structural Integrity Under Load: — A correctly fitted axle keeps the pump's mechanical components properly aligned and supported; a worn or damaged axle leads to accelerated wear on connected parts and loss of pump function.
- Verified Part Number: — Part number 5000074402 is the authorised Wacker Neuson reference for this axle across all listed PDT and PDI model variants, so you can order with confidence.
The axle in a diaphragm trash pump serves as the central rotating shaft that transfers drive force through the pump's mechanical assembly, keeping the diaphragm in motion to move fluid. It must maintain precise alignment under continuous load to allow the pump to operate efficiently and without vibration. When an axle wears, bends, or fails, the pump loses mechanical coordination, resulting in reduced output, increased component stress, and eventual pump shutdown — making timely replacement critical to keeping the unit in service.
Part Details
| Part Number | 5000074402 |
|---|---|
| Old Part Number | 0074402 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Axle |
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 Diaphragm Trash Pump | PDT2 | 5000009494, 5000007633 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000007619 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| 50mm/2in Diaphragm Trash Pump | PDT2B | 5000007612, 5000007613 |
| 75mm/3in Diaphragm Trash Pump | PDI3 | 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.