The Wacker Neuson Piston Pin is a genuine OEM component designed for the BS50-4, BS50-4s, BS60-4, and BS60-4s series gasoline vibratory rammers. As a direct OEM part, is manufactured to the exact tolerances required by the engine assembly, ensuring a correct fit within the piston and connecting rod interface. This part also fits select MS54 rammer configurations and certain VP-series vibratory plate models where the same engine platform is used. Confirm your machine number against your parts manual before ordering to ensure this pin is the right match for your specific unit.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to the exact diameter and case-hardness spec required by the BS50/BS60 engine, ensuring correct rotational clearance between the piston and connecting rod.
- Direct Engine Assembly Fit — Drops into the piston bore and connecting rod small end without modification, maintaining the correct pin-to-bore clearance for the four-stroke rammer engine.
- Broad BS-Series Compatibility — Fits a wide range of BS50-4, BS50-4s, BS60-4, and BS60-4s vibratory rammer configurations, including standard, EU, and high-altitude variants.
- Protects Piston and Rod Integrity — A worn or undersized piston pin causes slap, accelerated bore wear, and eventual engine failure; replacing it at the correct service interval preserves compression and power output.
- Critical Fuel-System and Engine Safety — Correct piston pin fit prevents combustion gas blow-by past the piston rings, which protects crankcase pressure balance and reduces the risk of uncontrolled engine behavior in a hand-operated machine.
The piston pin — also called a wrist pin — connects the piston to the small end of the connecting rod inside the engine cylinder. As the engine fires, the pin transfers the force of combustion from the piston down through the connecting rod to the crankshaft, converting the linear energy of each power stroke into the rotational motion that drives the rammer's eccentric mechanism. When a piston pin wears, develops play, or seizes, it disrupts this energy transfer, causing knocking, loss of compression, and ultimately engine damage that can take the entire rammer out of service.
Part Details
| Part Number | 5000156081 |
|---|---|
| Old Part Number | 0156081 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Pin |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Rammer with 280mm/11 in Shoe | BS50-4s | 5000620908, 5000620322, 5000620071, 5000620078, 5200000679, 5200000644, 5200000662, 5200000680 |
| BS60 -4s RMR,11 PL SHOE,HA 42 | BS60-4s | 5000620387, 5000620909, 5000620323, 5000620073, 5000620072, 5000620563, 5000620820, 5200000647, 5200000648, 5200000667, 5200000668, 5200000683, 5200000674, 5200000675, 5200011110, 5200011111 |
| Four-cycle Rammer,280mm/11in S hoe | BS60-4s EU | 5000620388, 5000620074, 5000620483, 5000620813, 5000620812, 5000620819, 5000620816, 5200003883, 5200004239 |
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS50-4s EU | 5000620811 |
| Four-cycle Vibratory Rammer, 2 20mm/11in Shoe | BS50-4 | 5000620077, 5000620108, 5000009386 |
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS60-4 | 5000620109, 5000620110, 5000009340, 5000620000, 5000620051, 5200022984 |
| VP1030R-VIBROPLATE | VP1030R | 5000008702, 5000009504 |
| 280/11in Shoe, Vibratory Ramme r | MS54 | 5200008223, 5200013518 |
| Vibratory Rammer with 280mm/11 in Shoe | BS50-4HO EU | 5000620818 |
| Vibratory Soil Plate, 40 kN | VP40H | 5000009535 |
| Vibratory Rammer, 280mm/11in S hoe | BS500-4 | 5000009329 |
| Vibratory Rammer, 280mm/11in S hoe | BS600-4 | 5000009331 |
| Portable Inverter Generator | GPi1700 | 5000620777, 5000620778 |
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.
