The Wacker Neuson Spring is a genuine OEM spring designed for the RD18-80, RD18-100, and RD18-100c series reversible plate compactors, including the updated.3 variants. As a direct Wacker Neuson OEM component, this spring is produced to the same specifications as the original part installed at the factory, ensuring a correct fit without modification. Compatible across six confirmed model configurations — RD18-80, RD18-100, RD18-100c, RD18-80.3, RD18-100.3, and RD18-100c.3 — this part covers a broad range of the RD18 family. Keep part number on hand as a service spare to avoid extended machine downtime during maintenance or repair.
Key Features
- Genuine OEM Spring Tension Integrity — Manufactured to Wacker Neuson's original load and deflection specs, so the spring delivers the correct resistance and return force every time.
- Drop-In Replacement — Engineered to the same dimensions and mounting configuration as the original, this spring seats and secures exactly as the factory part did.
- Broad RD18 Series Coverage — Confirmed fitment across six model configurations spanning the RD18-80, RD18-100, and RD18-100c families, including all .3-generation updates.
- Sustained Compaction Performance — A correctly functioning spring maintains proper mechanical engagement in the compactor's drive or vibration system; a worn or broken spring can cause erratic plate behavior or loss of reversing function.
- Verified Wacker Neuson Part Number — Sourced directly through the Wacker Neuson OEM supply chain under part number 5100058621, eliminating guesswork at the parts counter.
Springs in reversible plate compactors serve as critical tension and return elements within the drive and directional control mechanisms. They store and release mechanical energy to maintain consistent engagement between moving components, allowing the plate to shift direction smoothly and respond correctly to operator input. When a spring weakens, breaks, or loses its rated load capacity, the compactor may exhibit sluggish directional response, unusual vibration patterns, or complete loss of reversing capability — all of which compromise compaction quality and can accelerate wear on surrounding components.
Part Details
| Part Number | 5100058621 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD18-80 | RD18-80 | 5100055774 |
| RD18-100 | RD18-100 | 5100055775 |
| RD18-100c | RD18-100c | 5100055776 |
| RD18-80.3 | RD18-80.3 | 5100055946 |
| RD18 | RD18-100.3 | 5100055947 |
| RD18-100c.3 | RD18-100c.3 | 5100055948 |
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.