The Wacker Neuson Shaft Seal is a genuine OEM component designed for the CRT36-25 and CRT36-26A-WK 915mm/36in Ride-on Trowels, including Wheel Kit-equipped configurations. Sourced directly from Wacker Neuson, this part carries the same material grade and dimensional tolerances as the original seal installed at the factory — no guesswork on fit or compatibility. It is a direct replacement for worn or damaged shaft seals across the CRT36-25 model family, covering both standard and Wheel Kit variants.
Key Features
- OEM-Grade Sealing Material — Manufactured to the same compound and compression specifications as the original, ensuring consistent shaft contact and leak-free performance under operating loads.
- Drop-In Shaft Replacement — Engineered to seat directly onto the shaft without modification, matching the original bore diameter and lip geometry for a clean installation.
- Broad CRT36-25 Family Coverage — Compatible with the CRT36-25 standard trowel, the CRT36-25 with Wheel Kit, and the CRT36-26A-WK, covering multiple build configurations within the 36in Ride-on Trowel lineup.
- Protects Drivetrain Integrity — A correctly functioning shaft seal keeps lubricant contained and contaminants out; a worn seal allows oil loss and debris ingress that accelerates bearing and shaft wear.
- Genuine Wacker Neuson Part — Part number 5200009921 is an authorized OEM replacement, giving you full confidence that you are installing the correct specification component for your machine.
A shaft seal creates a dynamic barrier between a rotating shaft and the surrounding housing, retaining lubricating oil or grease on the internal side while blocking dirt, water, and debris from entering. On a ride-on trowel, this seal is critical to protecting the drivetrain components that power the trowel arms — if the seal deteriorates, lubricant leaks out and abrasive contaminants work their way in, leading to accelerated wear on shafts, bearings, and gearbox internals. Replacing a failing shaft seal promptly with a correctly rated OEM part is one of the most cost-effective ways to prevent a minor service item from becoming a major mechanical repair.
Part Details
| Part Number | 5200009921 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in Ride-on Trowel | CRT36-25 | 5000620115, 5000620295, 5000620803, 5000620804 |
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.
