The Wacker Neuson Rocker Arm Adjuster is a genuine OEM component designed for the CRT48-31V series ride-on concrete trowels, including the standard, high-speed, and electronic steering variants. As a direct OEM replacement, is sourced from Wacker Neuson and built to the same specifications as the original part installed at the factory. This adjuster is confirmed to fit the CRT48-31V, CRT48-31V-H, CRT48-31V-E, CRT48-31V-ES, and CRT48-31V-ES-E models, covering the full 1220mm/48-inch ride-on trowel lineup. When valve train components need servicing on your ride-on trowel, using the correct OEM part ensures the engine returns to proper operating condition without guesswork.
Key Features
- Correct Valve Clearance Specification — manufactured to OEM tolerance so rocker arm geometry and valve lash remain within the engine builder's prescribed range.
- Genuine OEM Sourcing — part number 5000158175 is an authentic Wacker Neuson component, not a generic substitute, ensuring traceability and part integrity.
- Full CRT48-31V Series Coverage — fits the standard, high-speed, and electronic steering variants of the 1220mm/48-inch ride-on trowel family in a single part number.
- Drop-In Engine Replacement — designed to install in the existing valve train without modification to rocker arm geometry or head hardware.
- Protects Engine Longevity — a correctly adjusted rocker arm maintains proper valve timing and combustion efficiency; a worn or out-of-spec adjuster can cause valve float, misfires, and accelerated wear on the camshaft and valve seats.
The rocker arm adjuster controls the clearance between the rocker arm and the valve stem tip, a measurement known as valve lash. Proper valve lash is critical on a ride-on trowel engine because it governs when the intake and exhaust valves open and close relative to piston movement — directly affecting power output, fuel efficiency, and engine temperature. When this adjuster wears, loosens, or fails, valve clearance shifts out of specification, which can produce tapping noises, loss of power, rough idling, or in severe cases, bent valves and internal engine damage.
Part Details
| Part Number | 5000158175 |
|---|---|
| Old Part Number | 0158175 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rocker Arm Adjuster |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Ride-on Trowel | CRT48-31V | 5000620476 |
| 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.
