The Wacker Neuson 12Vdc SPDT Relay is a genuine OEM electrical relay designed for CRT36 and CRT48 series ride-on concrete power trowels. Sourced directly from Wacker Neuson, this relay matches the original component specification to ensure correct switching behavior across all compatible machines. Fitment covers a wide range of CRT36 and CRT48 configurations, including high-speed, low-speed, electronic steering, and wheel kit variants. When you need to restore reliable electrical function to your ride-on trowel, is the correct part to order.
Key Features
- Genuine OEM Switching Spec — Rated at 12Vdc with a single-pole double-throw (SPDT) configuration, matching the exact coil voltage and contact arrangement of the original relay.
- Drop-In Electrical Fit — Connects directly to the factory harness connector with no re-pinning or wiring adaptation required, restoring the original circuit path.
- Broad CRT Series Coverage — Compatible with CRT36 and CRT48 ride-on trowel models, including high-speed, low-speed, electronic steering, and wheel kit configurations.
- Protects Controlled Circuits — A correctly functioning relay switches higher-current loads safely through a low-current signal; a failed relay can cause unresponsive controls or prevent the machine from starting or operating key systems.
- Electrical System Safety — Using the correct OEM-rated relay prevents overloading the control circuit, reducing the risk of wiring damage or unintended electrical faults on a working job site.
A relay is an electrically operated switch that uses a low-current control signal to open or close a higher-current circuit. In a ride-on concrete trowel, relays manage critical functions such as starting circuits, blade engagement, and operator safety interlocks. An SPDT relay offers both a normally open and a normally closed contact, giving the control system flexibility to energize or de-energize downstream circuits depending on machine state. When a relay fails, the circuit it controls either stays permanently open or permanently closed, which can prevent the machine from starting, disable a safety interlock, or cause a system to run when it should not — making prompt replacement essential.
Part Details
| Part Number | 5000119220 |
|---|---|
| Old Part Number | 0119220 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | 12Vdc SPDT Relay |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in Ride-on Trowel | CRT36-25 | 5000620115, 5000620295, 5000620803, 5000620804 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-31V-H | 5000009086 |
| 1220mm/48in Low Speed Ride-On Trowel | CRT48-25K-L | 5000009084 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-25K-H | 5000009085 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-23K-H | 5000009083 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-24A-H | 5000009232 |
| Ride-on Trowel | CRT48-31V-E | 5000009481 |
| Ride-on Trowel | CRT48-31V-ES-E | 5000009482 |
| Ride-on Trowel | CRT36-24A-E | 5000009483 |
| 1220mm/48in Ride-on Trowel, El ectronic Steering | CRT48-31V-ES | 5000009216 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-25K-H | 5000620027 |
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.
