The Wacker Neuson Piston Ring Set is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including RD11A hydrostatic double drum vibratory rollers, BPU 2950A and BPU 3050A reversible vibratory plate compactors, BFS 935A, BFS 935AB, BFS 935AL, BFS 940A, and BFS 80 gasoline floor saws, and GV5000A and GV5003A portable generators. Sourced directly from Wacker Neuson, part meets the exact tolerances and material specifications required for dependable engine performance across all covered models. This is a direct-fit OEM replacement, ensuring seamless installation without the need for modification or guesswork. When your engine shows signs of worn rings — such as oil consumption, loss of compression, or excessive blow-by — this piston ring set restores the sealing integrity your engine depends on.
Key Features
- OEM Compression and Oil Control Tolerances — Manufactured to Wacker Neuson's exact ring gap and tension specifications, maintaining proper cylinder sealing and oil film control across all covered engine applications.
- Drop-In Engine Fitment — Engineered to match the bore diameter and groove dimensions of the original rings, allowing straightforward installation during a standard engine rebuild or top-end service.
- Broad Cross-Equipment Compatibility — A single part number covers the RD11A tandem roller, BPU 2950A and BPU 3050A reversible vibratory plates, multiple BFS gasoline floor saw configurations, and GV series portable generators.
- Restored Compression and Power Output — Worn or broken piston rings cause compression loss, increased oil consumption, and reduced engine output. Fresh OEM rings restore cylinder pressure and return the engine to full operating efficiency.
- Engine Longevity at Rebuild — Using genuine OEM rings during a top-end rebuild prevents premature re-wear caused by dimensional mismatches, protecting the cylinder bore and extending the service interval between overhauls.
Piston rings seal the combustion chamber between the piston and the cylinder wall, controlling compression pressure and regulating the oil film on the cylinder bore. They serve two critical functions: retaining combustion gases above the piston to drive power output, and scraping excess oil back down to prevent it from burning in the combustion chamber. When rings wear, lose tension, or break, the engine loses compression, burns oil, produces excessive exhaust smoke, and delivers reduced power — symptoms that worsen quickly under the sustained load demands of compaction, cutting, or generating equipment. Replacing the piston ring set with a correctly specified OEM part restores the engine's sealing performance and halts further bore degradation.
Part Details
| Part Number | 5000084647 |
|---|---|
| Old Part Number | 0084647 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
| BFS 935A SAW,BASIC | BFS 935AB | 5000008910 |
| Reversible Vibratory Plate, 35 kN, 45cm/18in | BPU 3545A | 5000008783 |
| Gasoline Floor Saw, Ø 350 | BFS 80 | 5000006654 |
| BFS 914AB SAW | BFS 914AB | 5000610092 |
| 50Hz Portable Value Generator | GV5003A | 5000009352, 5000009357 |
| Vibration Plate BPU 2950A WSM | BPU 2950A | 5000007873, 5000007962 |
| BPU 3050A | BPU 3050A | 5000008763 |
| 50Hz Portable Value Generator | GV5000A | 5000009356 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935A | 5000008694 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935AL | 5000008695 |
| Petrol Floor Saw BFS 940A | BFS 940A | 5000610327 |
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.
