The Wacker Neuson Valve Spring is a genuine OEM component designed for CRT48 and CRT36 series ride-on concrete trowels. This includes the CRT48-25K-L, CRT48-25K-H, CRT36-23K-H, and CRT36-25K-H models, covering both 48-inch and 36-inch ride-on trowel configurations. Sourced directly from Wacker Neuson, this spring meets the same specifications as the original part installed at the factory. When your hydraulic or engine valve system needs attention, replacing worn components with the correct OEM part keeps your trowel performing at the level the job demands.
Key Features
- Calibrated Spring Tension: — Engineered to the precise load rating required for correct valve actuation in CRT-series trowel engines, ensuring consistent open and close cycles under operating conditions.
- Genuine OEM Part: — Supplied by Wacker Neuson as part 5000154858, this spring matches the original component spec for a direct drop-in installation with no guesswork on fitment.
- Broad CRT Series Compatibility: — Fits the CRT48-25K-L, CRT48-25K-H, CRT36-23K-H, and CRT36-25K-H ride-on concrete trowels, covering both 36-inch and 48-inch platform sizes.
- Restores Valve Seating Performance: — A fatigued or broken valve spring leads to loss of compression, rough running, and reduced finishing power. Replacing it with 5000154858 restores proper valve seating and engine output.
- Engine Integrity and Emission Compliance: — Correct valve spring tension is critical to maintaining proper combustion sealing; using the right OEM spring supports the engine's designed emissions and fuel efficiency profile.
A valve spring holds the engine's intake or exhaust valve in its closed position and provides the return force needed to snap the valve shut after the camshaft lobe passes. Without sufficient spring tension, valves can float, seat poorly, or fail to close completely — leading to compression loss, misfires, and accelerated wear on the valve seats and guides. On a ride-on concrete trowel like the CRT48 or CRT36, where consistent engine output directly affects finishing quality and blade speed, a worn or broken valve spring can bring a pour to a halt at exactly the wrong moment. Replacing the spring at the first sign of engine roughness or compression drop is a low-cost repair that protects the broader valve train.
Part Details
| Part Number | 5000154858 |
|---|---|
| Old Part Number | 0154858 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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 | CRT36-25K-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.
