The Wacker Neuson Standard Rings Set is a genuine OEM component designed for BS50-4 and BS60-4 series four-stroke vibratory rammers, as well as the GPi1700 portable inverter generator. As a factory-sourced part, is manufactured to the exact tolerances required to maintain proper compression, oil control, and combustion sealing in the engine bore. This set covers a broad range of BS50-4 and BS60-4 model configurations — including EU-spec variants — making it the go-to solution for engine rebuild and overhaul work across the Wacker Neuson rammer lineup.
Key Features
- OEM Compression and Oil Control Tolerances — Engineered to the exact ring gap and tension specifications required for proper combustion sealing and oil film management in Wacker Neuson four-stroke engines.
- Drop-In Engine Rebuild Fitment — Sized to standard bore dimensions for BS50-4 and BS60-4 engines, allowing straightforward installation during piston service or overhaul without additional machining under standard wear conditions.
- Broad Model Coverage — Compatible with BS50-4, BS50-4s, BS60-4, BS60-4s, and BS60-4s EU vibratory rammer models, as well as the GPi1700 portable inverter generator.
- Restored Engine Performance — Worn or broken piston rings cause compression loss, increased oil consumption, and reduced rammer impact force. A fresh ring set restores full cylinder pressure and keeps the engine running at rated output.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, part number 5000158640 meets the same material and dimensional standards as the rings originally installed at the factory.
Piston rings seal the combustion chamber between the piston and the cylinder wall, maintaining the compression needed for reliable ignition and full power output. They also regulate the thin film of oil on the cylinder wall — allowing just enough lubrication to prevent wear while preventing excess oil from entering the combustion chamber. When rings wear, lose tension, or break, compression drops, oil consumption rises, and the engine produces noticeably less power — in a rammer, this translates directly to reduced impact energy and poor compaction performance. Replacing the ring set as part of a scheduled engine overhaul restores these critical sealing functions and extends the service life of the engine.
Part Details
| Part Number | 5000158640 |
|---|---|
| Old Part Number | 0158640 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Standard Rings Set |
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 |
| 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.