The Wacker Neuson Oil Seal is a genuine OEM component designed for CRT48 ride-on concrete trowels and the CT48-13A-V walk-behind trowel series. As a direct factory replacement, this seal is engineered to the exact tolerances required to keep gearbox and rotating assembly lubricants contained and contaminants out. Fitment covers a wide range of CRT48-31V, CRT48-34V, and CT48-13A-V configurations, including high-speed and electronic steering variants. When a worn or damaged oil seal is causing leaks or lubricant loss, replacing it with the correct OEM part restores proper machine operation quickly and with confidence.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's exact material grade and compression specifications, ensuring a consistent, leak-free seal in trowel drivetrain and gearbox applications.
- Drop-In Replacement — Matches the original seal profile and seat dimensions, allowing straightforward installation without machining or adaptation.
- Broad CRT48 and CT48 Coverage — Confirmed fitment across CRT48-31V, CRT48-34V, CRT48-31V-H, CRT48-31V-E, CRT48-31V-ES, CRT48-31V-ES-E, and CT48-13A-V trowel models.
- Protects Critical Lubrication — A functioning oil seal keeps gearbox lubricant where it belongs; a failed seal leads to dry-running components, accelerated wear, and costly internal damage.
- Fluid Contamination Defense — Blocks water, concrete slurry, and debris from entering sealed assemblies — a genuine concern in wet finishing environments where trowels operate.
An oil seal creates a dynamic barrier between rotating shafts and their housings, preventing lubricant from escaping the gearbox or drive assembly while keeping abrasive particles and moisture from entering. In a concrete trowel environment, this is especially important because the machine operates in close proximity to wet concrete, slurry, and standing water. When an oil seal deteriorates — through heat cycling, mechanical wear, or age — lubricant migrates out of the assembly and contaminants work their way in, leading to premature bearing and gear failure. Replacing a worn seal promptly with the correct OEM part is one of the most cost-effective ways to protect the machine's drivetrain and maintain consistent finishing performance.
Part Details
| Part Number | 5000157783 |
|---|---|
| Old Part Number | 0157783 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Ride-on Trowel | CRT48-34V | 5000620805, 5000620075, 5200004935 |
| 1220mm/48in Ride-on Trowel | CRT48-31V | 5000620476 |
| CT48-13A-V Trowel | CT48-13A-V | 5000009452, 5000620836 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-31V-H | 5000009086 |
| Ride-on Trowel | CRT48-31V-E | 5000009481 |
| Ride-on Trowel | CRT48-31V-ES-E | 5000009482 |
| 1220mm/48in Ride-on Trowel, El ectronic Steering | CRT48-31V-ES | 5000009216 |
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.
