The Wacker Neuson Relay Cover is a genuine OEM component designed for the CRT48-31V series ride-on concrete trowels. Sourced directly from Wacker Neuson, this cover is engineered to the exact tolerances of the original part, ensuring a proper fit within the electrical system of your machine. Compatible models include the CRT48-31V-H 48-inch High Speed Ride-On Trowel, the CRT48-31V-E, the CRT48-31V-ES-E, and the CRT48-31V-ES with Electronic Steering. Referencing part number when ordering confirms you are getting the correct replacement for your CRT48-31V unit.
Key Features
- OEM-Grade Enclosure Protection — Manufactured to Wacker Neuson's original material and dimensional specifications, ensuring the relay is shielded from concrete dust, moisture, and vibration common on finishing sites.
- Drop-In Replacement — Matches the original mounting points and cover geometry of the CRT48-31V electrical housing, allowing straightforward installation without modification to the relay bracket or surrounding components.
- Broad CRT48-31V Compatibility — Fits the CRT48-31V-H High Speed, CRT48-31V-E, CRT48-31V-ES-E, and CRT48-31V-ES Electronic Steering variants, covering the full 48-inch ride-on trowel family.
- Electrical System Integrity — A secure, undamaged relay cover maintains a stable environment for relay operation, helping prevent erratic switching behavior or control faults that can interrupt finishing passes.
- Electrical Safety Compliance — Properly covering relay terminals on ride-on equipment reduces the risk of accidental contact with live connections during inspection or servicing of the machine's control system.
The relay cover on a ride-on concrete trowel serves as a protective housing for one or more electrical relays in the machine's control circuit. Relays switch higher-current loads — such as motor contactors or solenoid circuits — in response to lower-current control signals, and the cover shields these components from the harsh environment of a concrete finishing site. When the cover is cracked, missing, or improperly seated, relays become exposed to dust and moisture, increasing the likelihood of corrosion, short circuits, or intermittent electrical faults that can disrupt trowel operation mid-pour.
Part Details
| Part Number | 5000156318 |
|---|---|
| Old Part Number | 0156318 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Relay Cover |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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.