The Wacker Neuson 5200020059 Generator is a genuine OEM component designed for the APT4S and APT4T series self-priming pump units, including both standard and cold weather configurations. Sourced directly from Wacker Neuson, this generator meets the original design specifications for these pump systems and installs as a direct replacement for the failed or worn unit. Verified fitment covers APT4S Pump with Skid, APT4T Pump with Surge Brake, and APT4T Pump with Electric Brake variants, in both standard and cold weather builds. Keeping the correct generator matched to your pump unit ensures the system operates as intended across demanding job conditions.
Key Features
- Genuine OEM Electrical Output Integrity — Built to the original winding and output specifications for the APT4S and APT4T pump systems, ensuring correct voltage generation for onboard electrical demands.
- Direct-Fit Replacement — Designed to mount and connect exactly as the original unit, with matching interface points for the APT series pump housings and electrical harness.
- Broad APT Series Compatibility — Confirmed fitment across APT4S Pump with Skid, APT4T Pump with Surge Brake, and APT4T Pump with Electric Brake units, in both standard and cold weather configurations.
- Sustained Pump System Performance — A functioning generator is essential for powering the pump unit's electrical systems; a failed generator can leave the pump unable to operate controls or indicators correctly.
- Fuel System and Electrical Safety Alignment — As an OEM electrical component, this generator is matched to the pump's fuel and ignition system design, reducing the risk of incompatibility issues that can arise from unverified substitutes.
The generator on an APT series pump unit is responsible for producing electrical power while the engine is running, supplying current to the pump's onboard electrical systems and controls. Without a properly functioning generator, the pump unit cannot maintain consistent electrical output, which can affect operational controls, indicators, and ancillary electrical functions. A worn or failed generator may result in a complete loss of electrical function, leaving the pump unable to run as designed.
Part Details
| Part Number | 5200020059 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Generator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
| APT4T Pump, Surge Brake, Cold Weather | APT4T CW | 5200019792, 5200019793 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT4S Pump w/Skid | APT4S | 5200018977 |
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.
