The Wacker Neuson 5100081903 is a genuine OEM Tension Spring designed for the BS50-2, BS60-2, and BS70-2 series gasoline vibratory rammers. As a direct OEM replacement, this spring is manufactured to the same specifications as the original component installed at the factory, ensuring a correct, drop-in fit without guesswork. Fitment covers a wide range of BS-series rammer configurations including standard, plus, and US-spec variants across the BS50-2, BS60-2, and BS70-2 families. Verify your machine's model number before ordering to confirm compatibility with your specific unit.
Key Features
- Genuine OEM Spring Tension Rating — Manufactured to the original load and extension specification, ensuring the spring delivers the precise tension the rammer's mechanism requires for consistent stroke performance.
- Direct Drop-In Replacement — Engineered to match the original mounting points and dimensions, so installation follows the standard service procedure without modification to surrounding components.
- Broad BS-Series Fitment — Confirmed compatibility across BS50-2, BS50-2plus, BS60-2, BS60-2plus, BS70-2, and BS70-2plus rammer variants, including US-spec and standard configurations.
- Sustains Reliable Ramming Stroke — A functioning tension spring maintains the correct energy transfer in the rammer's drive mechanism; a worn or broken spring causes erratic stroke behavior and reduced compaction output.
- Genuine Wacker Neuson Part — Sourced directly through the Wacker Neuson OEM supply chain, part number 5100081903 is traceable and verified for use in authorized service procedures.
The tension spring in a vibratory rammer plays a key role in regulating the reciprocating motion of the rammer's internal drive assembly. It stores and releases mechanical energy within the stroke cycle, helping the rammer deliver consistent, controlled impacts into the soil. When the tension spring becomes fatigued, stretched, or breaks entirely, the rammer may lose stroke consistency, deliver reduced compaction force, or fail to cycle correctly — making timely replacement essential to maintaining productive trench and cohesive soil compaction work.
Part Details
| Part Number | 5100081903 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Tension Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BS50-2 10in | BS50-2 10in | 5100058346 |
| BS50-2 11in US | BS50-2 11in US | 5100030590 |
| BS50-2 11in | BS50-2 11in | 5100030591 |
| BS50-2 11in o. bsz | BS50-2 11in o. bsz | 5100068309 |
| BS50-2 6in | BS50-2 6in | 5100030592 |
| 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 |
| BS60-2 11in | BS60-2 11in | 5100030600, 5100037561, 5100051580 |
| BS60-2plus 11in US | BS60-2plus 11in US | 5100030602 |
| BS60-2plus 11in ha US | BS60-2plus 11in ha US | 5100030603 |
| BS60-2plus 11in | BS60-2plus 11in | 5100030604 |
| BS60-2plus 11in CN | BS60-2plus 11in CN | 5100039660 |
| BS70-2 11in | BS70-2 11in | 5100030607 |
| BS70-2plus 11in US | BS70-2plus 11in US | 5100030608 |
| BS70-2plus 11in | BS70-2plus 11in | 5100030609 |
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.