The Wacker Neuson Alternator is a genuine OEM component designed for the G50 portable generator series and the APT6S, APT6T, APT8S, and APT8T pump series. As a direct OEM replacement, this alternator is manufactured to the same specifications as the original unit, ensuring consistent electrical output and seamless integration with the existing charging and power management systems on your machine. Fitment covers a wide range of G50 configurations — including standard, cold weather, extended run tank, skid-mounted, and custom variants — as well as APT6S, APT6T, APT8S, and APT8T models in both surge brake and electric brake configurations, with and without cold weather packages.
Key Features
- Correct Output Specification: — Engineered to match the original voltage and current output ratings of the G50 and APT series, keeping electrical systems operating within designed parameters.
- Genuine OEM Part: — Sourced directly from Wacker Neuson, this alternator carries the same part number and build standard as the unit installed at the factory.
- Broad Series Compatibility: — Fits G50 generators across standard, cold weather, extended run, skid-mounted, and custom T4i/T4F configurations, plus APT6S, APT6T, APT8S, and APT8T pump units.
- Drop-In Installation: — Mounts using the original bracketry and electrical connectors, eliminating guesswork during installation and keeping service time short.
- Protects Downstream Electrical Components: — A correctly functioning alternator maintains stable charging voltage; a failing unit can cause battery drain, erratic control behavior, and unplanned shutdowns on the jobsite.
The alternator is responsible for generating electrical power while the engine is running, charging the battery and supplying current to the machine's onboard electrical systems. On generator and pump units like the G50 and APT series, a properly functioning alternator ensures the battery stays charged and control systems remain powered throughout operation. When an alternator begins to fail, symptoms typically include a battery that won't hold charge, warning lights, and eventual loss of engine start capability — making timely replacement critical to maintaining continuous operation.
Part Details
| Part Number | 5000186892 |
|---|---|
| Old Part Number | 0186892 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Alternator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G50-GENERATOR, SKID BASE, CUSTOM T4i | G50 | 5200001062, 5200001063, 5200006878, 5200001317, 5200001060, 5200001061, 5000620710, 5000620964, 5000620965, 5000620966, 5100025812, 5100026954, 5100029210, 5100026955, 5100026956 |
| APT6S Pump w/Skid | APT6S | 5200018982 |
| APT6T Pump, Surge Brake | APT6T | 5200019646, 5200019647 |
| APT6T Pump, Surge Brake, Cold Weather | APT6T CW | 5200019794, 5200019795 |
| APT8S Pump w/Skid | APT8S | 5200018987 |
| APT8T Pump, Surge Brake | APT8T | 5200019648, 5200019649 |
| APT8T Pump, Surge Brake, Cold Weather | APT8T CW | 5200019796, 5200019797 |
| APT6S Pump w/Skid, Cold Weather | APT6S CW | 5200019799 |
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
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.
