The Wacker Neuson Shaft is a genuine OEM component designed for the APT8S and APT8T series water pumps, including Surge Brake, Electric Brake, and Cold Weather configurations. As a factory-sourced part, it meets the original design specifications Wacker Neuson engineered into these pump systems, making it a direct, confidence-inspiring replacement when the original shaft has worn or failed. This shaft fits across the full APT8S and APT8T lineup — covering standard, cold weather, and both brake variants — so one part number covers a wide range of units in your fleet.
Key Features
- Genuine OEM Dimensional Accuracy — Sourced directly from Wacker Neuson, this shaft matches the exact geometry and material spec of the original, ensuring correct rotational alignment and load transfer within the pump assembly.
- Drop-In Replacement — Engineered to install in the same position as the factory shaft with no reworking of mounting points or adjacent components.
- Broad APT8 Series Coverage — Compatible with APT8S Pump with Skid, APT8T Pump with Surge Brake, APT8T Pump with Electric Brake, and all corresponding Cold Weather variants.
- Sustained Pump Performance — A correctly functioning shaft maintains consistent power transfer from the drive mechanism to the pump impeller; a worn or damaged shaft causes vibration, output loss, and accelerated wear on surrounding components.
- Verified Part Number — Order with confidence using Wacker Neuson part number 5200021655 to confirm you're getting the right shaft for your specific APT8S or APT8T unit.
The shaft in a water pump transfers rotational power from the drive source to the impeller, which is the component responsible for moving water through the pump. It must maintain precise alignment under continuous load — any wear, bending, or surface damage disrupts that balance, leading to vibration, seal failure, and reduced flow output. Replacing a worn shaft with a genuine OEM part like the Wacker Neuson 5200021655 restores the mechanical integrity of the pump and protects the bearings and seals that depend on it running true.
Part Details
| Part Number | 5200021655 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT8S Pump w/Skid | APT8S | 5200018987 |
| APT8T Pump, Surge Brake | APT8T | 5200019648, 5200019649 |
| APT8T Pump, Surge Brake, Cold Weather | APT8T CW | 5200019796, 5200019797 |
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
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.
