The Wacker Neuson 5100012266 is a genuine OEM Control Device designed for the RD40-130 and RD45-140 series tandem rollers, covering standard, offset drum, combination, and DPF-equipped configurations across multiple production variants. As a direct factory replacement, this part is manufactured to the same specifications as the original component installed at the time of build. Fitment spans a wide range of RD40-130 and RD45-140 variants including C, O, DPF, and.3-series machines, making it one of the broadest-coverage control components in this roller family. Verifying your machine's model and serial number against your parts documentation before ordering is always recommended.
Key Features
- Genuine OEM Specification: — Manufactured to exact Wacker Neuson tolerances, ensuring correct signal output and response behavior for the roller's control system.
- Drop-In Replacement: — Designed to connect and mount using the original hardware and wiring interface, fitting the existing control circuit without adaptation.
- Broad RD Series Coverage: — Confirmed fitment across RD40-130 and RD45-140 variants including standard, C, O, DPF, and .3-suffix configurations in both US and international builds.
- Operational Integrity: — A correctly functioning control device keeps machine response accurate and predictable; a faulty unit can cause erratic drum behavior or loss of operator control.
- Electrical Safety Compliance: — As an OEM electrical control component, this part meets the original circuit protection and input/output requirements specified for these rollers.
The control device on a tandem roller serves as the interface between operator inputs and the machine's functional systems — translating commands into precise signals that govern drum vibration, propulsion, and directional control. When this component degrades or fails, operators may experience unresponsive controls, inconsistent compaction output, or complete loss of machine function in the affected circuit. Replacing it with the correct OEM part restores proper signal flow and ensures the machine responds as intended across all operating conditions.
Part Details
| Part Number | 5100012266 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Control Device |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 | RD40-130 | 5100047382, 5100011391 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392, 5100047383 |
| RD45-140 C Tandem Roller | RD45-140 C | 5100011394 |
| RD40-130c DPF | RD40-130c DPF | 5100055779 |
| RD40-130 DPF | RD40-130 DPF | 5100055777 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD45-140c DPF | RD45-140c DPF | 5100055780 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD40-130 O | RD40-130 O | 5100011395 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD40-130c | RD40-130c | 5100047384 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD40-130o DPF | RD40-130o DPF | 5100055781 |
| RD40-130o | RD40-130o | 5100047386 |
| RD45-140o DPF | RD45-140o DPF | 5100055782 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD40-130 C Tandem Roller | RD40-130 C | 5100011393 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD45-140 DPF | RD45-140 DPF | 5100055778 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD45-140c | RD45-140c | 5100047385 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD45-140o | RD45-140o | 5100047387 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD45-140 O Tandem Roller | RD45-140 O | 5100011396 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
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.
Wacker Neuson