The Wacker Neuson Standard Piston is a genuine OEM component designed for the CT48BDT 1220mm/48in walk-behind concrete power trowel and the PT3B 75mm/3in centrifugal trash pump. As a direct OEM replacement, this piston is manufactured to the same specifications as the original, ensuring a proper fit within the engine assembly shared across these two machine families. Cross-check your model number before ordering to confirm compatibility with your specific unit.
Key Features
- Genuine OEM Dimensional Accuracy — manufactured to the exact bore diameter and ring groove geometry of the original, maintaining proper compression and seal contact within the cylinder.
- Drop-In Engine Replacement — engineered to install directly into the existing cylinder bore without machining or bore modification, using the original wrist pin and retaining clips.
- Broad Cross-Family Fitment — confirmed for the CT48BDT 48in walk-behind concrete power trowel and the PT3B 3in centrifugal trash pump, covering two distinct Wacker Neuson equipment families.
- Sustained Engine Output — a correctly fitted piston maintains cylinder compression, enabling the engine to deliver consistent power to the trowel blades or pump impeller; a worn or cracked piston leads to loss of compression, rough running, and eventual engine failure.
- Fuel System Integrity — proper piston-to-bore clearance prevents blow-by that can contaminate the crankcase oil and degrade fuel efficiency over extended run cycles.
The piston is the reciprocating component at the heart of a four-stroke engine, converting combustion pressure into the rotational force that drives the crankshaft. It must maintain a precise fit within the cylinder bore to hold compression during the power stroke while allowing free movement without excessive friction or oil consumption. When a piston wears, cracks, or scores, compression drops sharply — causing hard starting, loss of power, increased fuel consumption, and ultimately engine seizure if left unaddressed.
Part Details
| Part Number | 5000030330 |
|---|---|
| Old Part Number | 0030330 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Standard Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Walk-behind Trowel | CT48BDT | 5000008017 |
| 75mm/3in Centrifugal Trash Pum p | PT3B | 5000006731 |
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.
