The Wacker Neuson Guide Piston is a genuine OEM component designed for the BS50-2, BS50-4As, BS65-4As, AS50e, and AS60e series vibratory rammers. Sourced directly from Wacker Neuson, this part meets the exact specifications required to restore proper stroke action and compaction force to your rammer. Fitment covers a broad range of BS and AS series models across multiple configurations, including 6-inch, 10-inch, and 11-inch shoe variants as well as US-market and standard editions. When a worn or damaged guide piston is replaced with a genuine OEM part like the, the machine returns to its rated impact performance and consistent compaction output.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to Wacker Neuson's original bore and stroke tolerances, ensuring the piston travels true within the cylinder without side-load wear.
- Drop-In Installation — Engineered to the same interface dimensions as the original, so the 5100038472 installs directly into the rammer's cylinder housing without reworking mating components.
- Broad Series Compatibility — Fits BS50-2, BS50-4As, BS65-4As, AS50e, and AS60e rammers across 6-inch, 10-inch, and 11-inch shoe configurations, including US-market variants.
- Restored Compaction Force — A correctly fitted guide piston maintains proper compression within the drive cylinder, delivering the full rated impact energy needed for effective trench and cohesive soil compaction.
- Fuel and Battery Rammer Coverage — Compatible with both gasoline-powered BS series rammers and battery-powered AS series rammers, making this a versatile stocking part for mixed fleets.
The guide piston is the central reciprocating component inside a rammer's drive cylinder. It converts the energy generated by the engine or motor into the rapid up-and-down impact force that the machine delivers to the ground. As the piston cycles, it compresses air or drives mechanical linkage to create the jumping action that densifies cohesive soils and trench backfill. When the guide piston wears or becomes damaged, the rammer loses impact energy, compaction becomes inconsistent, and continued operation can accelerate wear on surrounding cylinder components. Replacing it promptly with the correct OEM part restores full stroke integrity and protects the broader drive assembly.
Part Details
| Part Number | 5100038472 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Guide Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BS50-4AS 11IN US | BS50-4As 11in US | 5100030598 |
| BS50-4As 11in | BS50-4As 11in | 5100030599 |
| BS50-2plus 11in US | BS50-2plus 11in US | 5100030594 |
| BS50-2PLUS 11IN HA US | BS50-2plus 11in ha US | 5100030595 |
| BS50-2plus 11in | BS50-2plus 11in | 5100030596 |
| BS50-2plus 6in (24mm) | BS50-2plus 6in (24mm) | 5100030597 |
| AS50e | AS50e | 5100026850, 5100053792 |
| BS50-2 11IN US | BS50-2 11in US | 5100030590 |
| BS50-2 11in | BS50-2 11in | 5100030591 |
| BS50-2 6in | BS50-2 6in | 5100030592 |
| AS60e | AS60e | 5100049787, 5100052267 |
| BS50-2 10IN | BS50-2 10in | 5100058346 |
| BS65-4As 11in | BS65-4As 11in | 5100061307 |
| BS50-2 11'' | BS50-2 11in o. bsz | 5100068309 |
| 4 stroke rammer BS50-4As, 280 mm adapter | BS50-4As 11in o. bsz | 5100068310 |
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.
