The Wacker Neuson Rings Set.50 is a genuine OEM oversized piston ring set designed for BS50-4, BS50-4s, BS60-4, and BS60-4s four-stroke vibratory rammers. As a direct OEM part sourced from Wacker Neuson, the is manufactured to the exact material grades, ring gap tolerances, and tension specs required by these engines — ensuring a proper seal against the cylinder wall. This set covers an extensive range of BS-series rammer configurations, including EU-market variants, making it the correct choice for most BS50 and BS60 four-stroke rebuilds. When ring wear is the cause of lost compression or excessive oil consumption, installing the correct oversized set restores the engine to working condition.
Key Features
- Oversized Bore Specification: — The .50 oversize designation matches cylinders that have been bored or honed to the corresponding oversized dimension — installing a standard ring set in a bored cylinder will not seal correctly.
- OEM Ring Material and Tension: — Genuine Wacker Neuson rings are produced to the exact radial tension and face coating spec for these four-stroke BS-series engines, supporting consistent compression across the power stroke.
- Broad BS-Series Fitment: — Confirmed for BS50-4, BS50-4s, BS60-4, and BS60-4s vibratory rammers across multiple machine configurations and production series, including EU variants.
- Restores Lost Compression: — Worn or broken piston rings are a leading cause of hard starting, low power output, and oil burning in rammer engines; a correct ring replacement recovers cylinder pressure and engine performance.
- Engine Rebuild Confidence: — Sold as a complete set, the 5000158642 supplies all rings needed for the piston in a single order, reducing the risk of mismatched components during a top-end rebuild.
Piston rings form a dynamic seal between the piston and the cylinder wall in a four-stroke engine. They serve three functions: sealing combustion gases above the piston to generate power, controlling the thin oil film on the cylinder wall to prevent excess oil consumption, and transferring heat from the piston into the cylinder. When rings wear, lose tension, or break, combustion pressure escapes past the piston, causing a drop in power, hard starting, increased fuel consumption, and oil burning. In a vibratory rammer like the BS50 and BS60 series — where the engine runs under sustained load during compaction — worn rings accelerate further engine wear and will eventually lead to a complete loss of usable output. Replacing rings at the correct oversize during a bore-and-rebuild restores the cylinder seal and returns the engine to proper operating condition.
Part Details
| Part Number | 5000158642 |
|---|---|
| Old Part Number | 0158642 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rings Set .50 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS50-4s | 5000620071, 5000620078 |
| Four-stroke Vibratory Rammer, 280mm/11in Show | BS60-4s | 5000620072, 5000620563, 5000620073 |
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS60-4s EU | 5000620074, 5000620483, 5000620812 |
| 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 |
| 280/11in Shoe, Vibratory Ramme r | MS54 | 5200013518 |
| 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.
