The Wacker Neuson Piston is a genuine OEM Piston designed for a wide range of Wacker Neuson vibratory plates, reversible plates, and compaction rollers including the VP1550A, VP1340A, VP2050A, WP1550A, WPP1550A, WPU1550A, RS600A, and MP15A series. As a factory-sourced component, the is manufactured to the same specifications as the original part, ensuring it integrates correctly with your machine's engine assembly without guesswork. This piston covers an extensive fitment list spanning single-direction vibratory plates, reversible plates, and single drum vibratory rollers across multiple Wacker Neuson product generations.
Key Features
- OEM Dimensional Accuracy — Manufactured to exact bore diameter and ring groove tolerances required for correct compression and seal in Wacker Neuson compact engine applications.
- Direct Drop-In Replacement — Engineered to the same crown profile and pin bore as the original, allowing straightforward installation without machining or fitting adjustments.
- Broad Fitment Coverage — Compatible with VP1550A, VP1340A, VP2050A, WP/WPP/WPU 1540–2050 series, VPH70, AP1550A, RS600A, MP15A, and additional Wacker Neuson plate and roller models.
- Sustained Compression Performance — A correctly fitted piston maintains proper combustion chamber pressure, supporting consistent engine power output essential for effective soil and asphalt compaction.
- Prevents Costly Engine Wear — A worn or failed piston causes loss of compression, excessive oil consumption, and accelerated cylinder wall damage; replacing with a genuine OEM part restores correct engine function promptly.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson, part number 5000406677 carries the full backing of the manufacturer's parts program for verified authenticity.
The piston is the reciprocating component at the heart of the engine's combustion cycle. It compresses the air-fuel mixture inside the cylinder, transfers the force of combustion to the crankshaft via the connecting rod, and helps seal the combustion chamber to maintain pressure. When a piston wears, cracks, or seizes, the engine loses compression, runs poorly, burns oil, and can cause secondary damage to the cylinder bore and rings — making timely replacement critical to keeping your compaction equipment running at full output.
Part Details
| Part Number | 5000406677 |
|---|---|
| Old Part Number | 0406677 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston |
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.