The Wacker Neuson is a genuine OEM Exciter Motor designed for the RD27-100 and RD27-120 Hydrostatic Vibratory Rollers, including traction control variants. Sourced directly through Wacker Neuson's authorized parts network, this component meets the exact specifications of the original motor installed at the factory. The is compatible across a wide range of RD27 series machine numbers, covering both standard and traction control configurations of the RD27-100 and RD27-120 models. Confirm your machine number against the fitment list before ordering to ensure a correct, direct swap.
Key Features
- Genuine OEM Motor Windings and Output Spec — Built to the exact electrical and mechanical output specifications of the original exciter motor, ensuring the drum delivers the correct vibration amplitude and frequency for effective compaction.
- Direct Drop-In Replacement — Engineered to match the original mounting configuration and connector interface on RD27 series rollers, allowing straightforward installation without adapter modifications.
- Broad RD27 Series Coverage — Fits RD27-100 and RD27-120 Hydrostatic Vibratory Rollers, including standard and traction control variants across multiple machine configurations.
- Restores Full Drum Vibration Performance — A worn or failed exciter motor causes loss of drum vibration, leading to poor compaction density and failed pass results; replacing it with 5000161638 restores the roller to full operating capability.
- Authorized OEM Sourcing — Supplied through Wacker Neuson's authorized parts network, this part carries the traceability and quality assurance expected of genuine OEM components for professional compaction equipment.
The exciter motor on a vibratory roller is the electric motor responsible for driving the eccentric weight mechanism inside the drum. As it spins, the eccentric weight generates the centrifugal force that causes the drum to vibrate, and it is this vibration that densifies the material being compacted beneath the roller. Without a properly functioning exciter motor, the drum rotates but produces little to no vibration, leaving the machine unable to achieve the compaction density required for asphalt or soil applications. When the motor begins to fail — through bearing wear, winding degradation, or electrical faults — operators typically notice reduced drum vibration, inconsistent compaction results, or complete loss of vibration output, all of which signal that the motor needs replacement.
Part Details
| Part Number | 5000161638 |
|---|---|
| Old Part Number | 0161638 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exciter Motor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620393, 5000620508, 5000620510, 5000620512, 5000620395, 5200009322, 5000620007, 5000620037 |
| Hydrostatic Vibratory Roller | RD27-120 | 5000620394, 5000620509, 5000620511, 5000620513, 5000620396, 5200009323, 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.
