The Wacker Neuson Oil Relief Plug is a genuine OEM component designed for the CRT36-25 and CRT36-26A-WK 915mm/36-inch ride-on concrete trowels. Sourced directly from Wacker Neuson, this plug ensures the hydraulic or gearbox oil circuit maintains the correct pressure relief threshold the machine was engineered around. It is a direct drop-in replacement, fitting all CRT36-25 configurations including the standard, Wheel Kit, and -WK variants.
Key Features
- Genuine OEM Pressure Calibration — factory-rated relief plug maintains the exact oil pressure threshold specified for the CRT36 trowel's drive system, preventing over-pressurization or oil starvation.
- Direct-Fit Installation — machined to OEM thread pitch and seat geometry, this plug threads directly into the existing port without additional hardware or modification.
- Broad CRT36-25 Coverage — confirmed fit across multiple CRT36-25 build variants, including the standard 36-inch ride-on trowel, the Wheel Kit-equipped model, and the CRT36-26A-WK configuration.
- Hydraulic System Integrity — a correctly seated oil relief plug keeps the circuit sealed against leaks and ensures consistent trowel blade rotor performance across extended finishing passes.
- Fuel and Fluid Safety Compliance — as a pressure-regulating component in the oil circuit, using a correctly rated OEM plug prevents uncontrolled pressure release that could compromise operator safety or damage downstream components.
An oil relief plug regulates pressure within the machine's oil circuit by opening at a set threshold to divert excess pressure safely and then reseating to maintain normal operating pressure. On a ride-on concrete trowel like the CRT36-25, this keeps the hydraulic or gearbox system running within its designed pressure range, protecting seals, valves, and other internal components. When an oil relief plug wears, corrodes, or loses its seating integrity, the circuit can develop leaks or fail to hold pressure — leading to erratic rotor behavior, overheating, and potential drivetrain damage.
Part Details
| Part Number | 5200009906 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Relief Plug |
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.