The Wacker Neuson Tension Spring is a genuine OEM component designed for the BS50-4As, BS60-4As, BS65-4As, BS68-4As, BS70-4As, BS72-4As, BS62-4Ab, and BS68-4Ab series rammers. Sourced directly from Wacker Neuson, this is the same spring built into these machines at the factory — correct geometry, correct tension rating, and correct material grade for the application. Fitment spans a wide range of 11-inch and 28-series rammer models, making a frequently needed service item across the BS-series lineup. When you need a direct replacement, this is the part to order.
Key Features
- Genuine OEM Spring Tension Specification — Manufactured to the exact load and deflection characteristics Wacker Neuson engineers specified for these rammers, ensuring consistent spring behavior under repeated compression cycles.
- Drop-In Replacement — Matches the original mounting points and spring dimensions exactly, so installation slots into the existing assembly without fitting or adjustment.
- Broad BS-Series Fitment — Compatible with BS50-4As, BS60-4As, BS65-4As, BS68-4As, BS70-4As, BS72-4As, BS62-4Ab/28, and BS68-4Ab/28 rammer models, covering a wide range of the Wacker Neuson 4-stroke rammer family.
- Consistent Ram Stroke Performance — A correctly tensioned spring maintains the proper ram cycle rhythm; a worn or broken spring causes erratic impact force, uneven compaction, and accelerated wear on surrounding components.
- Verified OEM Part Number — Part number 5100049229 is the genuine Wacker Neuson reference, giving you confidence you are ordering the right component for the machine in front of you.
The tension spring in a Wacker Neuson rammer plays a central role in controlling the reciprocating motion of the ram assembly. It stores and releases mechanical energy during each stroke cycle, keeping the ram moving with consistent force and timing against the ground. When the spring loses its tension, stretches, or breaks, the rammer loses its characteristic rhythmic impact — compaction quality drops, the machine may stall or behave erratically, and additional stress is transferred to the guide rod and other internal components. Replacing a worn spring promptly with the correct OEM part restores proper stroke dynamics and protects the surrounding assembly from secondary damage.
Part Details
| Part Number | 5100049229 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Tension Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BS50-4AS 11IN US | BS50-4As 11in US | 5100030598 |
| BS50-4As 11in | BS50-4As 11in | 5100030599 |
| BS60-4AS 11IN US | BS60-4As 11in US | 5100030605, 5100054151 |
| BS60-4As 11in | BS60-4As 11in | 5100030606, 5100037562, 5100051581 |
| BS70-4As 11in US | BS70-4As 11in US | 5100030610 |
| BS70-4As 11IN | BS70-4As 11in | 5100030611 |
| Rammer BS60-4As 11in CN | BS60-4As 11in CN | 5100058869 |
| BS65-4As 11in | BS65-4As 11in | 5100061307 |
| BS72-4As 11in | BS72-4As 11in | 5100061309 |
| BS62-4Ab/28 | BS62-4Ab/28 | 5100061966, 5100070526 |
| BS68-4Ab/28 | BS68-4Ab/28 | 5100061970, 5100070525, 5100070527 |
| 4 stroke rammer BS50-4As, 280 mm adapter | BS50-4As 11in o. bsz | 5100068310 |
| BS62-4A/28 | BS62-4A/28 | 5100068373 |
| BS68-4A/28 | BS68-4A/28 | 5100068375 |
| BS68-4A/28 CN | BS68-4A/28 CN | 5100070152 |
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.
