The Wacker Neuson Regulator Complete is a genuine OEM component designed for the APT4S and APT4T series pumps, including Surge Brake, Electric Brake, and Cold Weather configurations. As a factory-sourced part, the is manufactured to the exact output specifications required by these pump systems, ensuring correct regulation performance from the moment it is installed. This regulator complete fits all six APT4S and APT4T variants covered under this part number, making it the dependable choice for both scheduled maintenance and unplanned repairs.
Key Features
- Correct Output Specification: — Genuine OEM construction ensures this regulator delivers the precise voltage or pressure output required by APT4S and APT4T pump systems — no guesswork on calibration.
- Direct-Fit Assembly: — Supplied as a complete regulator unit, this part installs as a single assembly, matching OEM mounting points and connection interfaces for a straightforward swap.
- Broad APT Series Coverage: — Fits APT4S and APT4T pumps across Surge Brake, Electric Brake, and Cold Weather variants, covering both standard and cold-weather-rated configurations under one part number.
- Sustained Pump Regulation: — A properly functioning regulator complete keeps system output stable under load; a worn or failed regulator can cause erratic operation, output fluctuation, or pump shutdown.
- Electrical System Integrity: — As a genuine OEM electrical regulation component, the 5200020274 meets the original design tolerances that protect downstream pump electronics from over- or under-voltage conditions.
A regulator complete manages and stabilizes the electrical or hydraulic output within the pump system, acting as the control point that keeps operating parameters within the designed range. When the regulator is functioning correctly, the pump delivers consistent, controlled output under varying load conditions. If the regulator fails or degrades, the system may produce unstable output, trigger fault conditions, or cause premature wear on connected components — making timely replacement critical to keeping the pump operating as intended.
Part Details
| Part Number | 5200020274 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Regulator Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT4S Pump w/Skid | APT4S | 5200018977 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT4T Pump, Surge Brake, Cold Weather | APT4T CW | 5200019792, 5200019793 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
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.
