The Wacker Neuson 5200021003 Drive Complete is a genuine OEM component designed for APT4T and APT4S series self-priming centrifugal pumps. As a factory-sourced assembly, this part meets the exact design and dimensional specifications set by Wacker Neuson, ensuring a direct, confidence-inspiring installation. The 5200021003 is confirmed compatible with multiple APT4T and APT4S configurations, including Electric Brake, Surge Brake, standard, and Cold Weather variants. Keeping the drive assembly in sound working condition is critical to consistent pump output and long service life in demanding jobsite applications.
Key Features
- Factory-Correct Drive Assembly: — Supplied as a complete drive unit to OEM specification, ensuring all internal components are matched and pre-assembled for straightforward installation into APT4T and APT4S pump housings.
- Genuine Wacker Neuson OEM Part: — Sourced directly from Wacker Neuson, this part carries the same engineering tolerances and material grades as the original unit installed at the factory — no guesswork on compatibility.
- Broad APT Series Coverage: — Fits APT4T Pump with Electric Brake, APT4T Pump with Surge Brake, APT4S Pump with Skid, and all corresponding Cold Weather configurations under a single part number.
- Sustained Pump Power Transfer: — The drive assembly transmits engine or motor power to the pump impeller. A worn or damaged drive results in reduced flow rate, erratic output, or complete loss of pumping capacity.
- Complete Assembly Saves Labor: — Delivered as a complete unit rather than individual components, the 5200021003 reduces bench time and eliminates the need to source and match separate sub-components during a repair.
The drive assembly in an APT series pump is the mechanical link between the power source and the pump impeller, transferring rotational force to move water through the system. When this assembly is functioning correctly, the pump delivers consistent flow and pressure across its rated output range. As the drive wears — through normal use, contamination, or impact — power transfer becomes inefficient, leading to reduced pumping performance or a complete inability to prime and move fluid. Replacing the drive complete assembly restores full mechanical engagement and returns the pump to its intended operating capacity.
Part Details
| Part Number | 5200021003 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Drive 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.
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