The Wacker Neuson Alternator is a genuine OEM component designed for the RD27-100 and RD27-120 hydrostatic vibratory tandem rollers. As a factory-sourced part, it is manufactured to the exact output specifications required by these machines, ensuring the electrical system performs as intended straight out of the box. This alternator is a direct replacement for the original unit fitted to RD27-series rollers, making it the correct choice when restoring charging system performance on these walk-behind tandem roller models.
Key Features
- Correct Output Specification — Manufactured to the precise voltage and amperage output required by the RD27-series electrical system, ensuring consistent charging performance.
- Genuine OEM Sourcing — Supplied directly from Wacker Neuson, meaning this alternator meets the same production standards as the unit originally installed on your machine.
- Direct-Fit Replacement — Engineered to match the original mounting configuration and wiring connections on RD27-100 and RD27-120 hydrostatic vibratory rollers.
- Protects Onboard Electrical Components — A properly functioning alternator maintains steady voltage across the roller's control systems and battery, preventing erratic behavior or premature battery failure.
- Verified Fitment — Confirmed for RD27-100 and RD27-120 tandem rollers; always cross-reference your machine's serial number before ordering.
The alternator is responsible for generating electrical power while the machine's engine is running, keeping the battery charged and supplying current to the roller's onboard electrical systems. On a tandem vibratory roller like the RD27 series, this includes control electronics, lighting, and any powered accessories. When an alternator weakens or fails, the battery draws down under load, leading to unreliable operation, warning indicators, and eventually a machine that will not start — making prompt replacement essential to keeping the roller productive on the compaction site.
Part Details
| Part Number | 5000161520 |
|---|---|
| Old Part Number | 0161520 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Alternator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620037 |
| Hydrostatic Vibratory Roller | RD27-120 | 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.