The Wacker Neuson Starter Motor is a genuine OEM component designed for RD27-100 and RD27-120 series hydrostatic vibratory rollers, including standard and traction control configurations. As a factory-sourced part, is manufactured to the exact electrical and mechanical specifications of the original unit, ensuring a correct, trouble-free installation. This starter motor covers a broad range of RD27 roller variants, making it the definitive replacement choice for operators and service technicians working across the full RD27 product line.
Key Features
- OEM Electrical Specification: — Built to the original torque output and current draw spec, so the engine cranks cleanly without overtaxing the battery or charging system.
- Direct-Mount Replacement: — Matches the original bolt pattern, solenoid connection, and drive engagement geometry of the RD27 starter housing for a straightforward swap.
- Broad RD27 Series Coverage: — Verified fitment across RD27-100 and RD27-120 hydrostatic vibratory rollers, including both standard and traction control variants.
- Dependable Cold-Crank Performance: — A worn or failing starter motor causes hard starts, failed ignition cycles, and lost production time on compaction runs; this OEM unit restores full cranking reliability.
- Genuine Wacker Neuson Part: — Sourced directly through the Wacker Neuson parts network, carrying the same quality assurance as the component originally installed on the machine.
The starter motor is the electric motor responsible for cranking the engine during ignition. When the operator turns the key or presses the start switch, the starter motor engages a drive pinion against the engine flywheel ring gear, spinning the engine fast enough to initiate combustion. On a heavy-duty piece of compaction equipment like the RD27 tandem roller, the starter motor must deliver consistent high-torque output in demanding site conditions. A failing starter motor typically presents as slow or inconsistent cranking, a single loud click with no engine turnover, or complete failure to engage — all of which take the machine out of service until the unit is replaced.
Part Details
| Part Number | 5000161444 |
|---|---|
| Old Part Number | 0161444 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Starter 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.