The Wacker Neuson Diode is a genuine OEM component designed for the RD27-100 and RD27-120 hydrostatic vibratory rollers. Sourced directly from Wacker Neuson, this diode meets the exact electrical specifications required for correct operation within the machine's electrical system. It is a direct replacement for the original part, covering multiple machine configurations across the RD27 series.
Key Features
- Genuine OEM Electrical Specification — Manufactured to the precise forward-voltage and current-rating tolerances required by the RD27 roller's electrical system, ensuring correct signal and power flow.
- Drop-In Replacement — Matches the original mounting configuration and connector interface of the RD27-100 and RD27-120, allowing straightforward installation without circuit modification.
- RD27 Series Fitment — Confirmed compatible with RD27-100 and RD27-120 hydrostatic vibratory rollers across multiple machine serial configurations.
- Protects Electrical Circuits — A correctly functioning diode enforces one-directional current flow, preventing voltage spikes and back-EMF from damaging sensitive control components in the roller's hydrostatic system.
- Electrical System Safety — Diode failure can cause uncontrolled current paths, leading to control board damage or unpredictable machine behavior; replacing with the correct OEM part restores safe electrical operation.
A diode is an electrical component that allows current to flow in one direction only, acting as a one-way gate within a circuit. In a hydrostatic vibratory roller like the RD27 series, diodes are used to protect control circuits from reverse-polarity voltage and transient spikes generated by motors, solenoids, and other inductive loads in the hydrostatic drive and vibration systems. When a diode fails — either by breaking down entirely or by allowing current to pass in both directions — it can cause erratic machine behavior, blown fuses, or damage to downstream electronic components, making prompt replacement critical to keeping the roller operating safely and correctly.
Part Details
| Part Number | 5000162336 |
|---|---|
| Old Part Number | 0162336 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Diode |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620007, 5000620037 |
| Hydrostatic Vibratory Roller | RD27-120 | 5000009469, 5000620038 |
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.
