The Wacker Neuson Alternator is a genuine OEM component designed for PTS4V centrifugal trash pumps, GPS9700 and GPS8500 portable generators, GS8.5V and GS9.7V portable generators, and RD11V and RD880V double drum vibratory rollers. As a factory-sourced part, the is manufactured to the exact specifications Wacker Neuson requires for proper electrical output across all compatible equipment. It drops directly into place as a like-for-like swap, using the original mounting points and wiring connections — no adaptation needed. Whether you're restoring charging capacity to a high-output generator or keeping a tandem roller's electrical system running on the job, this is the correct OEM replacement to reach for.
Key Features
- Correct Output Specification: — Engineered to deliver the precise voltage and amperage output required by PTS4V pumps, GPS/GS series generators, and RD series rollers — no undercharging or overcharging risk.
- Genuine OEM Sourcing: — Sourced directly from Wacker Neuson, this alternator matches the original unit in every dimension, connector type, and electrical rating.
- Direct-Fit Replacement: — Mounts to the same bracket positions and connects to the same harness as the original, making the swap straightforward for any qualified technician.
- Broad Cross-Family Compatibility: — Fits multiple Wacker Neuson equipment families including PTS4V trash pumps, GPS9700 and GPS8500 portable generators, GS8.5V and GS9.7V generators, and RD11V and RD880V tandem rollers.
- Protects Downstream Electrical Components: — A properly functioning alternator maintains stable system voltage, protecting sensitive controls, starters, and ignition components from voltage fluctuation damage.
- Charging System Safety: — Correct alternator output prevents battery overcharge and undercharge conditions that can lead to electrical failures or unexpected shutdowns during operation.
The alternator is the primary charging component in engine-driven equipment — it converts mechanical energy from the engine into electrical energy to recharge the battery and power onboard electrical systems while the machine is running. When the alternator wears out or fails, the battery drains progressively under load, causing hard-start conditions, erratic instrument behavior, and eventual full shutdown. On equipment like high-capacity trash pumps, portable generators, and vibratory rollers — where consistent uptime is critical — a failed alternator can bring an entire operation to a halt. Replacing a faulty unit with the correct OEM part restores full charging capacity and protects every other electrical component on the machine.
Part Details
| Part Number | 5000080942 |
|---|---|
| Old Part Number | 0080942 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Alternator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 100mm/4in Centrifugal Trash Pu mp | PTS4V | 5000007691, 5000007683, 5000620971, 5100031221 |
| Portable Generator with Electr ic Start | GPS9700 | 5000008287, 5000620264, 5200005042, 5000620973, 5100036768 |
| 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 |
| PTS4V(I) Pump | PTS4V(I) | 5000620972 |
| Double Drum Vibratory Roller | RD880V | 5000006736 |
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.