The Wacker Neuson is a genuine OEM Safety Screw designed for the RD40-130 and RD45-140 series tandem rollers, covering standard, C, O, US, DPF, and.3 variants across the full model range. Sourced directly from Wacker Neuson, this part carries the same specifications as the fastener installed at the factory, ensuring it seats and threads correctly without any guesswork. Whether you are servicing an RD40-130 DPF, an RD45-140C, or any other roller in this extensive family, part number is the confirmed replacement to reach for.
Key Features
- Genuine OEM Fastener Integrity — Manufactured to Wacker Neuson's exact thread pitch and hardness specifications, so the screw holds its rated clamping load without stripping or backing out under compaction vibration.
- Direct Drop-In Replacement — Matches the original installation point exactly, threading into the existing mounting position on the roller assembly with no reworking of the surrounding hardware.
- Broad Series Compatibility — Confirmed fitment across the full RD40-130 and RD45-140 tandem roller family, including standard, C, O, US, DPF, and .3 variants — one part number covers the entire lineup.
- Vibration-Resistant Retention — A safety screw that functions correctly keeps critical covers, guards, or components firmly secured even under the continuous vibration loads generated during compaction work; a worn or missing screw risks component loosening or displacement mid-operation.
- Operational Safety Assurance — As a designated safety fastener, correct specification is essential. Using the genuine OEM 5100012503 ensures the screw meets the retention strength required to keep guarded or secured assemblies in place during machine operation.
A safety screw is a fastener specifically designated to secure guards, covers, or critical mechanical assemblies that must remain firmly in place during operation. Unlike standard fasteners, safety screws are typically engineered with features — such as controlled thread engagement, locking characteristics, or specific material hardness — that resist loosening caused by vibration, shock loads, or repeated thermal cycling. On a tandem roller like the RD40-130 and RD45-140 series, where continuous vibration is inherent to compaction work, a correctly specified safety screw is essential to maintaining the integrity of the assembly it secures. A missing, worn, or incorrect fastener in this role can allow components to shift or become exposed, creating both mechanical and operator safety risks.
Part Details
| Part Number | 5100012503 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Safety Screw |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 Tandem Roller | RD40-130 | 5100011391, 5100047382 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392, 5100047383 |
| RD40-130 C Tandem Roller | RD40-130 C | 5100011393 |
| RD45-140 C Tandem Roller | RD45-140 C | 5100011394 |
| RD40-130 O | RD40-130 O | 5100011395 |
| RD45-140 O Tandem Roller | RD45-140 O | 5100011396 |
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| 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.
