The Wacker Neuson Spring is a genuine OEM component designed for the RD40-130 and RD45-140 tandem roller series, including standard, open-canopy, cab, and DPF-equipped variants. As a direct OEM replacement, this spring is manufactured to the same specifications as the part it replaces, ensuring correct tension, fit, and function within your machine. Wacker Neuson covers an extensive range of RD40-130 and RD45-140 configurations, so verify your model number before ordering to confirm compatibility.
Key Features
- OEM Spring Tension Consistency — Manufactured to the original load and deflection specification, so the spring performs exactly as the machine's design requires — no guesswork on rate or travel.
- Drop-In Replacement — Engineered to the same dimensional profile as the original, allowing straightforward installation without reworking mounting points or adjacent hardware.
- Broad RD Series Fitment — Compatible with RD40-130 and RD45-140 tandem rollers across standard, open-canopy (o), cab (c), .3-revision, and DPF configurations — one part number covering the full production range.
- Sustained Clamping and Return Force — A properly functioning spring maintains consistent clamping, return, or tensioning action in its assembly; a fatigued or broken spring leads to erratic operation, excessive wear on mating components, or loss of control response.
- Genuine Wacker Neuson OEM Quality — Sourced directly through the Wacker Neuson parts network, carrying the same material and heat-treatment standards applied to original production components.
A spring serves as a mechanical energy-storage and return element within an assembly, providing consistent force to keep components loaded, positioned, or returned to a neutral state during operation. In compaction equipment like the RD40-130 and RD45-140 tandem rollers, springs are used across control linkages, braking systems, and mechanical sub-assemblies where predictable tension or return action is critical to smooth, controlled machine behavior. When a spring weakens, sets, or breaks, the affected assembly loses its designed response — leading to sluggish controls, incomplete engagement, or accelerated wear on surrounding parts — making timely replacement essential to keeping the roller operating as intended.
Part Details
| Part Number | 5100018004 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 Tandem Roller | RD40-130 | 5100011391, 5100047382 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392, 5100047383 |
| RD40-130c | RD40-130c | 5100047384 |
| RD45-140c | RD45-140c | 5100047385 |
| RD40-130o | RD40-130o | 5100047386 |
| RD45-140o | RD45-140o | 5100047387 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
| RD40-130 DPF | RD40-130 DPF | 5100055777 |
| RD45-140 DPF | RD45-140 DPF | 5100055778 |
| RD40-130c DPF | RD40-130c DPF | 5100055779 |
| RD45-140c DPF | RD45-140c DPF | 5100055780 |
| RD40-130o DPF | RD40-130o DPF | 5100055781 |
| RD45-140o DPF | RD45-140o DPF | 5100055782 |
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.
