The Wacker Neuson Solenoid Coil is a genuine OEM component designed for the RD18-80, RD18-100, and RD18-100C series tandem rollers. As a factory-sourced part, the is manufactured to the same specifications as the original, ensuring a direct, plug-in replacement with no guesswork on fitment. Compatibility spans multiple production variants across the RD18 series, including SE and US configurations as well as the updated.3 generation machines. When you need confidence that the part you're installing is the right one, sourcing genuine OEM is the straightforward answer.
Key Features
- Correct Coil Resistance and Voltage Rating — Manufactured to OEM-specified electrical tolerances, so the coil energizes and de-energizes the solenoid valve at the correct threshold every time.
- Drop-In Connector Compatibility — Matches the original mounting collar and wiring connector of the RD18 series, allowing direct installation without adapters or modifications to the harness.
- Broad RD18 Series Coverage — Fits RD18-80, RD18-100, and RD18-100C variants including US, SE, and .3 generation models across multiple serial number ranges.
- Protects Hydraulic System Response — A functioning solenoid coil ensures precise, on-demand engagement of the hydraulic circuit; a failed coil can cause sluggish response, loss of drive, or a machine that won't move.
- Electrical Safety Compliance — Genuine OEM construction means insulation ratings and heat tolerance meet the original design standard, reducing the risk of coil burnout or shorts in the machine's electrical system.
A solenoid coil generates the magnetic field that opens or closes a solenoid valve in the machine's hydraulic or fuel control circuit. When electrical current passes through the coil, it creates an electromagnetic force that shifts the valve, allowing fluid or fuel to flow to the correct system on demand. If the coil degrades or fails — through heat damage, moisture ingress, or simple wear — the valve can no longer respond to operator commands, leading to loss of drive, erratic machine behavior, or a complete no-start condition. Replacing a faulty coil with a correctly rated OEM part restores full system responsiveness and prevents unnecessary wear on the valve body itself.
Part Details
| Part Number | 5100012858 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Solenoid Coil |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD18-80 Tandem Roller | RD18-80 | 5100011382, 5100047360, 5100055774 |
| RD18-100 Tandem Roller | RD18-100 | 5100011383, 5100047361, 5100055775 |
| RD18-100 C Tandem Roller | RD18-100 C | 5100011384 |
| RD18-80 Tandem Roller | RD18-80 US | 5100027572 |
| RD18-100 Tandem Roller | RD18-100 US | 5100027573 |
| RD18-100 C Tandem Roller | RD18-100 C US | 5100027574 |
| Vibration Roller | RD18-80 SE | 5100044988 |
| Vibration Roller | RD18-100 SE | 5100044989 |
| RD 18-100 C | RD18-100c | 5100047362, 5100055776 |
| Vibration Roller | RD18-100c 3 | 5100047363 |
| 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.
