The Wacker Neuson Shaft is a genuine OEM component designed for the PDT2A, PDT2, PDI2A(I), PDT3A, PDT3, PDI3A, and PDI3A(I) series diaphragm pumps. Sourced directly from Wacker Neuson, this shaft meets the exact dimensional and material tolerances specified for these pump families. It is a direct drop-in replacement that installs without modification to your existing pump assembly. Compatible across multiple PDT and PDI series variants, part number is the correct OEM-specified shaft for both 2-inch and 3-inch diaphragm pump configurations.
Key Features
- Genuine OEM Dimensional Accuracy — Machined to Wacker Neuson's exact tolerances, ensuring correct rotational fit and alignment within the pump drivetrain — critical for consistent diaphragm stroke and pump output.
- Direct Replacement Fit — Engineered to seat and connect exactly as the original, with no rework needed to the pump housing or drive assembly during installation.
- Broad PDT and PDI Series Compatibility — Fits 2-inch and 3-inch diaphragm pump models across the PDT2A, PDT2, PDI2A(I), PDT3A, PDT3, PDI3A, and PDI3A(I) families.
- Sustained Pump Output — A correctly fitted shaft maintains the precise reciprocating motion the diaphragm depends on; a worn or damaged shaft causes erratic flow, pressure loss, or pump failure.
- OEM Part Number Confidence — Ordering by Wacker Neuson part number 5000180284 confirms you're receiving the correct shaft for your specific pump model — not a cross-referenced approximation.
The shaft in a diaphragm pump is the mechanical link between the engine or motor drive and the pumping mechanism. It transmits rotational force to the eccentric or drive assembly that creates the back-and-forth motion of the diaphragm, which in turn draws fluid in and pushes it out with each stroke. If the shaft becomes worn, bent, or damaged, the diaphragm's stroke becomes inconsistent or stops entirely — resulting in reduced flow rate, loss of prime, or complete pump failure on the jobsite.
Part Details
| Part Number | 5000180284 |
|---|---|
| Old Part Number | 0180284 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT2A | PDT2A | 5000620769, 5100075510 |
| PDT2 Pump, Diaphragm | PDT2 | 5000620770 |
| PDI2A(I) | PDI2A(I) | 5000620772, 5100075511 |
| PDT3A | PDT3A | 5000620773, 5100075507 |
| PDT3 | PDT3 | 5000620774 |
| PDI3A | PDI3A | 5000620775, 5100075508 |
| PDI3A(I) | PDI3A(I) | 5000620776, 5100075509 |
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.