The Wacker Neuson 5200020251 Clutch Complete is a genuine OEM component designed for the APT4T and APT4S self-priming pump series, including Electric Brake, Surge Brake, and Cold Weather configurations. As a factory-sourced assembly, this clutch complete is manufactured to the same standards as the original unit installed at the factory, ensuring a direct, confidence-inspiring replacement. Fitment covers all major APT4T and APT4S variants, making this the correct part whether you're servicing a standard pump or a cold-weather-equipped model. Verify your machine number against the compatible models before ordering to confirm applicability.
Key Features
- Genuine OEM Clutch Assembly — Sourced directly from Wacker Neuson, this clutch complete meets the original engagement torque and coupling specifications required for consistent pump operation.
- Drop-In Replacement — Engineered to match the original mounting interface and dimensions of the APT4T and APT4S pump platforms, so installation follows the same procedure as the factory unit.
- Broad APT Series Compatibility — Fits APT4T (Electric Brake, Surge Brake, and Cold Weather variants) and APT4S (standard and Cold Weather) pump models.
- Smooth Power Engagement — A properly functioning clutch transfers drive force cleanly to the pump impeller at startup; a worn or slipping clutch leads to reduced flow, erratic priming, and accelerated wear on connected components.
- Drive System Integrity — Correct clutch engagement is critical in pump applications where controlled startup loads protect both the engine and pump housing from shock stress.
The clutch complete is the mechanical coupling assembly that connects the engine's power output to the pump's drive shaft. At startup, it manages the gradual transfer of torque from the engine to the impeller, preventing shock loads that can damage the pump housing or engine crankshaft. When a clutch wears out or fails, symptoms typically include slipping under load, failure to prime, overheating of the drive assembly, or complete loss of pump output — all of which point to the need for a timely replacement with the correct OEM part.
Part Details
| Part Number | 5200020251 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Clutch Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT4T Pump, Electric Brake, Cold Weather | APT4T CW | 5200019793, 5200019792 |
| APT4T Pump, Electric Brake | APT4T | 5200019644, 5200019643 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
| 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.
