The Wacker Neuson Piston Pin is a genuine OEM component designed for a wide range of Wacker Neuson vibratory plates, reversible plates, and single drum vibratory rollers, including the VP1550A, VP1340A, VP2050A, WP1550A, WP2050A, WPU1550A, and RS600A series. As a direct OEM replacement, this pin is manufactured to the same standards as the original part, ensuring a drop-in fit with no guesswork. With fitment spanning over 35 confirmed machine configurations, part number is a high-demand service component used across some of Wacker Neuson's most widely deployed compaction equipment. Keep this part on hand to minimize engine downtime during scheduled maintenance or unplanned repairs.
Key Features
- OEM-Grade Dimensional Accuracy — Manufactured to exact bore and diameter tolerances, ensuring the pin seats correctly within the piston and connecting rod without play or interference fit issues.
- Direct Drop-In Replacement — Engineered to align precisely with the wrist pin bore, allowing straightforward installation without machining or shimming.
- Broad Compaction Equipment Fitment — Compatible with VP, WP, WPU, WPP, AP, and RS series Wacker Neuson machines, including single direction vibratory plates, reversible plates, and the RS600A single drum roller.
- Sustained Power Transmission — A correctly fitted piston pin transfers combustion force cleanly from piston to connecting rod; a worn or loose pin causes knock, loss of compression, and accelerated internal engine damage.
- Genuine Wacker Neuson OEM Part — Sourced directly through the Wacker Neuson authorized parts network, backed by the manufacturer's quality assurance for this part number.
The piston pin — also called a wrist pin — is the precision-machined cylindrical link that connects the piston to the small end of the connecting rod inside a small engine. It allows the rod to pivot smoothly as the piston moves up and down through each combustion stroke, transmitting power efficiently to the crankshaft. When a piston pin wears, becomes loose, or fails, it typically causes a distinctive knocking noise, loss of compression, and rapid internal engine damage — making prompt replacement critical to keeping the engine running at full capacity.
Part Details
| Part Number | 5000406678 |
|---|---|
| Old Part Number | 0406678 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Pin |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| VP1550AW VIBROPLATE | VP1550AW | 5000009028, 5000630055 |
| VP1340AW VIBROPLATE | VP1340AW | 5000009032, 5000630058 |
| WPU1550A | WPU1550A | 5000630033, 5100071592 |
| 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 |
| VP1550AW-CN | VP1550AW-CN | 5100055200 |
| Single Direction Plates | WP1540Aw | 5000630106 |
| Soil and Asphalt Compaction | MP15A | 5000630318 |
| WPU1550AW-US | WPU1550AW-US | 5100069715 |
| WPU1550A-US | WPU1550A-US | 5100069716 |
| WPU1550Aw | WPU1550AW | 5100071591 |
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.
