The Wacker Neuson Starter Motor is a genuine OEM component designed for PTS4V centrifugal trash pumps, GPS8500 and GPS9700 portable generators, GS8.5V and GS9.7V portable generators, and the RD11V hydrostatic double drum vibratory roller. As a factory-sourced part, it meets the exact electrical and mechanical specifications of the original unit. This starter motor is the correct direct replacement for all listed models, ensuring the part seats and connects exactly as the factory-installed unit did. Keep a verified OEM part on hand to avoid costly interruptions on active pump, power, or compaction operations.
Key Features
- OEM Electrical Integrity — Manufactured to Wacker Neuson's exact torque output and engagement specifications, so the starter cranks the engine at the correct speed for reliable ignition across all listed applications.
- Direct Drop-In Replacement — Matches the original mounting bolt pattern, solenoid connector, and drive gear profile for a straightforward swap with no fabrication or adaptation.
- Broad Model Coverage — A single part number serves the PTS4V trash pump series, GPS8500/GPS9700 and GS8.5V/GS9.7V portable generators, and the RD11V double drum roller, making it a practical stock item for mixed fleets.
- Protects Starting System Components — A correctly rated starter draws proper current and disengages cleanly after ignition, preventing excessive wear on the ring gear and battery drain caused by an undersized or failing motor.
- Genuine OEM Sourcing — Supplied as an authentic Wacker Neuson part, backed by the manufacturer's parts program for fitment confidence and parts traceability.
The starter motor is the electrically driven mechanism responsible for cranking the engine to initiation speed each time the machine is started. When the ignition is triggered, the starter draws current from the battery, spins its drive gear into mesh with the engine's ring gear, and rotates the crankshaft until the engine fires and takes over under its own power. A worn or failed starter motor typically presents as a slow crank, a single click with no rotation, or complete failure to engage — any of which will leave a trash pump, generator, or roller dead on site. Replacing it with the correct OEM unit restores full starting performance and protects the surrounding electrical system from the strain of an out-of-spec motor.
Part Details
| Part Number | 5000118481 |
|---|---|
| Old Part Number | 0118481 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Starter Motor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 100mm/4in Centrifugal Trash Pu mp | PTS4V | 5000007691, 5000007683 |
| Portable Generator with Electr ic Start | GPS9700 | 5000008287, 5000620264 |
| Portable Generator with Electr ic Start | GPS8500 | 5000008286 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Portable Generator with Electr ic Start | GS8.5V | 5000007661 |
| Portable Generator with Electr ic Start | GS9.7V | 5000007662 |
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.