The Wacker Neuson Flywheel is a genuine OEM component designed for the BS50-4s, BS60-4s, BS50-4, BS60-4, and MS54 four-stroke vibratory rammer series. As a direct OEM replacement, this flywheel is manufactured to the same specification as the original part, ensuring correct rotational balance and engine timing performance on every compatible unit. Fitment spans a wide range of BS-series rammer configurations, including both standard and EU variants, making it a versatile stocking part for contractors and service technicians who run multiple machines. Confirm your machine's model number before ordering to ensure this is the correct flywheel for your specific unit.
Key Features
- OEM-Matched Rotational Balance — Manufactured to the original mass and inertia specification, maintaining smooth engine cycling and consistent impact frequency through the rammer's drive train.
- Direct-Mount Replacement — Matches the original bolt pattern and crankshaft interface of compatible BS-series and MS54 rammers, allowing installation without modification to the engine assembly.
- Broad BS-Series Coverage — Fits BS50-4, BS50-4s, BS60-4, BS60-4s, BS60-4s EU, BS50-4s EU, and MS54 vibratory rammers, covering both standard and EU-spec configurations.
- Sustained Impact Performance — A correctly functioning flywheel stores and releases rotational energy to drive each compaction stroke; a worn or cracked flywheel causes misfiring, vibration imbalance, and loss of compaction force.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson's parts network, carrying the full OEM part number 5000158643 for straightforward verification against your machine's parts manual.
The flywheel is a precision-balanced rotating mass bolted to the engine crankshaft. On a vibratory rammer, it stores kinetic energy between combustion strokes and releases it in a controlled burst to drive the rammer's impact mechanism, producing the repeated compaction strokes needed to consolidate cohesive soils and trench backfill. When a flywheel becomes cracked, out of balance, or damaged, the engine runs unevenly, compaction output drops noticeably, and excessive vibration can accelerate wear on surrounding engine and drive components. Replacing a failed flywheel with the correct OEM part restores the engine's ability to deliver consistent, full-force compaction strokes cycle after cycle.
Part Details
| Part Number | 5000158643 |
|---|---|
| Old Part Number | 0158643 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flywheel |
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, 5000620073, 5000620563 |
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS60-4s EU | 5000620074, 5000620483, 5000620812, 5000620813 |
| 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 |
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.
