The Wacker Neuson is a genuine OEM Set of Piston Rings designed for a range of Wacker Neuson engines spanning walk-behind concrete trowels, centrifugal trash pumps, diaphragm pumps, and gasoline power units for internal vibrators. As a factory-sourced component, is manufactured to the same tolerances and material specifications as the rings installed at the time of original production. Confirmed fitment includes the CT36BDT and CT36BDT-E 915mm walk-behind trowels, the PT2B 2-inch centrifugal trash pump, the PD3B 3-inch diaphragm pump, and B 5000 gasoline power units used with internal concrete vibrators.
Key Features
- OEM-Grade Ring Material and Tolerancing — Manufactured to Wacker Neuson's original compression and oil-control ring specifications, ensuring correct ring gap, tension, and surface finish for consistent cylinder sealing.
- Cross-Family Fitment — A single ring set that spans concrete trowel, trash pump, diaphragm pump, and internal vibrator power unit applications, making it a versatile stock item for multi-equipment fleets.
- Drop-In Engine Rebuild Compatibility — Rings are dimensioned to the original bore specification, fitting directly into the cylinder without custom fitting or machining when the bore is within service limits.
- Restored Compression and Oil Control — Worn or broken piston rings cause loss of compression, increased oil consumption, and excessive blow-by; a fresh set restores engine output and throttle response across all fitted models.
- Verified Genuine OEM Part — Sourced directly through the Wacker Neuson parts supply chain under part number 5000074797, ensuring you receive the correct ring set without substitution risk.
Piston rings form the dynamic seal between the piston and the cylinder wall, serving two critical functions: maintaining combustion compression so the engine produces full power, and controlling oil by preventing it from entering the combustion chamber. Over time, rings wear, lose tension, or can break — symptoms typically show up as hard starting, loss of power, excessive smoke, or rising oil consumption. Replacing the ring set as part of a top-end or full engine rebuild restores cylinder pressure and returns the engine to its designed operating efficiency, protecting downstream components from the stress caused by a poorly sealing piston.
Part Details
| Part Number | 5000074797 |
|---|---|
| Old Part Number | 0074797 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Set of Piston Rings |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in Walk-behind Trowel | CT36BDT | 5000008009 |
| 50mm/2in Centrifugal Trash Pum p | PT2B | 5000006722 |
| Gasoline Power Unit for Intern al Vibrator | B 5000 | 5000007522, 5000006307 |
| 915mm/36in Walk-behind Trowel | CT36BDT-E | 5000008010 |
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
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.
