The Wacker Neuson Shaft is a genuine OEM component designed for the APT4S and APT4T pump series, including surge brake, electric brake, and cold weather variants. As a factory-sourced part, the is manufactured to the same specifications as the original, ensuring a direct, like-for-like replacement. This shaft fits across the full APT4S and APT4T lineup — covering standard and cold weather configurations — making it a dependable choice whether you're servicing a single unit or maintaining a fleet. Verify your model number against the fitment list before ordering to confirm compatibility.
Key Features
- Genuine OEM Construction — Sourced directly from Wacker Neuson, this shaft is produced to original dimensional and material tolerances, maintaining the rotational integrity the pump was engineered around.
- Direct Drop-In Replacement — Engineered to match the original shaft profile and mounting interfaces, allowing straightforward installation without reworking surrounding components.
- Broad APT4 Series Compatibility — Fits APT4S and APT4T pumps across surge brake, electric brake, and cold weather configurations, covering a wide range of job site applications.
- Sustained Pump Drive Performance — A sound shaft maintains consistent power transfer from the drive to the pump impeller; a worn or damaged shaft can cause vibration, misalignment, and loss of flow output.
- Verified Part Number — Order with confidence using Wacker Neuson part number 5200020008, cross-referenced to your specific model number for accurate fitment.
The shaft is a core rotating component in a centrifugal pump, transmitting drive force from the engine or motor to the impeller that moves fluid through the system. It must remain precisely aligned and free of wear to maintain efficient, stable pump output — any deflection, corrosion, or surface damage on the shaft can introduce vibration, accelerate seal and bearing wear, and ultimately cause a loss of pumping capacity. Replacing a worn shaft promptly with a genuine OEM part restores the pump's original operating balance and protects surrounding components from secondary damage.
Part Details
| Part Number | 5200020008 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft |
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.
