The Wacker Neuson 5200020501 is a genuine OEM Starter Motor designed for the APT6T, APT6S, APT8T, and APT8S series self-priming trash pumps, including standard, surge brake, electric brake, and cold weather configurations. As a factory-original component, the 5200020501 is built to the exact electrical and mechanical specifications of the original unit, ensuring correct cranking performance from the first installation. This starter motor covers a wide range of APT pump variants — both skid-mount and towable — making it the authoritative replacement choice for fleet operators and service technicians alike.
Key Features
- Genuine OEM Electrical Spec: — Manufactured to the original output and engagement specification, so cranking torque and solenoid draw match what the APT series engine expects at startup.
- Direct-Mount Replacement: — Bolt pattern, shaft dimensions, and wiring connections align with the original mounting position, allowing straightforward installation without machining or adapter hardware.
- Broad APT Series Coverage: — Compatible with APT6S, APT6T, APT8S, and APT8T pump models across standard, electric brake, surge brake, and cold weather configurations.
- Sustained Pump Availability: — A functioning starter motor is the first link in every pump start cycle; a worn or failed unit prevents the engine from turning over, taking the pump entirely out of service on the job.
- Cold Weather Configuration Compatible: — Verified fitment across cold weather variants (CW models) confirms the starter is rated for the operating demands of those purpose-built configurations.
The starter motor initiates engine cranking by converting electrical energy from the battery into the rotational force needed to turn the engine over and begin combustion. On APT series trash pumps, reliable starting is critical — a delayed or failed start can mean lost dewatering capacity on time-sensitive jobsites. When a starter motor wears out, symptoms typically include slow or no-crank conditions, clicking from the solenoid with no motor engagement, or intermittent starting failures; replacing it promptly restores full engine starting capability.
Part Details
| Part Number | 5200020501 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Starter Motor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT6T Pump, Electric Brake, Cold Weather | APT6T CW | 5200019795, 5200019794 |
| APT6T Pump, Surge Brake | APT6T | 5200019646, 5200019647 |
| APT6S Pump w/Skid | APT6S | 5200018982 |
| APT8T Pump, Electric Brake | APT8T | 5200019649, 5200019648 |
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
| APT8T Pump, Electric Brake, Cold Weather | APT8T CW | 5200019797, 5200019796 |
| APT8S Pump w/Skid | APT8S | 5200018987 |
| APT6S Pump w/Skid, Cold Weather | APT6S CW | 5200019799 |
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.