The Wacker Neuson Piston Ring Set is a genuine OEM Piston Ring Set designed for a wide range of Wacker Neuson vibratory plates, reversible plates, and compaction equipment including the VP1550A, VP1340A, WP1550A, WP2050A, VP2050A, and RS600A series. As a factory-sourced component, it meets the exact material and dimensional specifications set by Wacker Neuson for these machines. This set is a direct-fit replacement, making it the correct choice for engine rebuilds and top-end service work across the supported model range. Confirm your model number against the fitment list before ordering to ensure compatibility.
Key Features
- Genuine OEM Ring Geometry — Manufactured to Wacker Neuson's exact ring width, gap, and radial thickness tolerances, ensuring proper cylinder wall contact and sealing pressure from the first start.
- Direct-Fit Engine Replacement — Engineered as a drop-in set for the original piston and bore, so the rings seat correctly without machining or shimming during installation.
- Broad Model Coverage — Fits VP1550A, VP1340A, VP2050A, WP1540A, WP1550A, WP2050A, WPP and WPU series plates, the RS600A single drum roller, and the HD 3.7 internal vibrator family.
- Restores Compression and Power Output — Worn or broken piston rings allow combustion gases to bypass the piston, causing hard starting, loss of compaction force, and excessive oil consumption. A fresh set restores the compression seal the engine depends on.
- Oil Control Integrity — The oil control ring in the set regulates the film of lubrication on the cylinder wall, preventing oil burning and protecting the bore from accelerated wear during operation.
Piston rings form the dynamic seal between the piston and the cylinder wall in a small four-stroke engine. They serve two critical jobs: holding combustion pressure above the piston so the engine generates the power needed to drive the compaction mechanism, and scraping excess oil back down the cylinder wall to prevent it from entering the combustion chamber. When rings wear, break, or lose tension, compression drops, the engine smokes, fuel consumption rises, and the vibratory plate or roller loses the centrifugal force needed to compact soil or asphalt effectively. Replacing the ring set at the correct service interval — or whenever compression test results fall below spec — is one of the most cost-effective ways to restore full engine output and extend bore life.
Part Details
| Part Number | 5000406676 |
|---|---|
| Old Part Number | 0406676 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| VP1550AW VIBROPLATE | VP1550AW | 5000009028, 5000630055 |
| VP1340AW VIBROPLATE | VP1340AW | 5000009032, 5000630058 |
| WPU1550A | WPU1550A | 5000630033 |
| WPU1550Aw | WPU1550Aw | 5000630034 |
| VP1550A Single Direction Vibratory Plate | VP1550A | 5000009027, 5000630054 |
| VP1340A VIBROPLATE | VP1340A | 5000009031, 5000630057 |
| VP2050A VIBROPLATE | VP2050A | 5000009087, 5000630062 |
| Single Direction Plate | VPH70 | 5000006907 |
| WPP 1550Aw | WPP1550Aw | 5000630030 |
| Modular Internal Vibrators | HD 3.7 | 5000006906 |
| Single Direction Plates | AP1550AW | 5000009540 |
| WPP 1540A | WPP1540A | 5000630025 |
| WPP 1550A | WPP1550A | 5000630029 |
| WP 1540A | WP1540A | 5000630017 |
| WP 1550A | WP1550A | 5000630019 |
| WP 2050A | WP2050A | 5000630022 |
| WPP 1540Aw | WPP1540Aw | 5000630026 |
| Single Direction Plates | AP1550A | 5000009539 |
| VP2050AW VIBROPLATE | VP2050AW | 5000009510 |
| Single Direction Plates | WP1540Aw-L | 5000630123 |
| Reversible Plates | WPU 1550A-L | 5000630124 |
| Single Direction Plates | WP2050Aw-L | 5000630125 |
| Single Direction Plates | WP1550Aw-L | 5000630126 |
| Single Drum Vibratory Roller | RS600A | 5000630010 |
| Single Direction Plates | WP1550Aw | 5000630112 |
| Single Direction Plate | WP2050Aw | 5000630115 |
| Single Direction Plates | WP1540Aw | 5000630106 |
| Soil and Asphalt Compaction | MP15A | 5000630318 |
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.