The Wacker Neuson is a genuine OEM Cylinder Head #1 designed for the CRT48-25K-L, CRT48-25K-H, and CRT36-25K-H ride-on concrete trowel series. Sourced directly from Wacker Neuson, this component meets the exact engineering specifications of the original part installed at the factory. It is confirmed compatible with both the 1220mm/48-inch and 915mm/36-inch ride-on trowel configurations, covering low-speed and high-speed variants. When cylinder head integrity is compromised, engine performance degrades rapidly — replacing it with the correct OEM part keeps your ride-on trowel operating at full capacity.
Key Features
- OEM-Matched Combustion Sealing: — Cast and machined to the original design tolerances, ensuring correct compression and combustion chamber geometry for consistent engine output.
- Drop-In Engine Compatibility: — Engineered to align directly with the existing head gasket surface, valve train, and coolant passages on the CRT engine without rework or machining.
- Broad CRT Series Coverage: — Fits CRT48-25K-L low-speed and CRT48-25K-H high-speed 48-inch ride-on trowels, as well as the CRT36-25K-H 36-inch high-speed model.
- Sustained Finishing Power: — A correctly seated cylinder head maintains proper compression ratios, delivering the consistent engine torque your ride-on trowel needs to finish large concrete slabs on schedule.
- Combustion Integrity Under Load: — A warped, cracked, or leaking cylinder head causes loss of compression, overheating, and potential engine damage — a genuine OEM replacement restores full sealing performance.
The cylinder head forms the top closure of the engine's combustion chamber, sealing the cylinder bore and housing the valves that control the intake of air-fuel mixture and the exhaust of combustion gases. It also contains coolant passages that draw heat away from the combustion zone, protecting the engine from thermal damage during extended operation. When a cylinder head cracks, warps, or develops a blown gasket seat, compression drops, coolant may enter the combustion chamber, and the engine loses the power needed to drive the trowel's rotor arms — making prompt replacement critical to avoiding deeper engine damage.
Part Details
| Part Number | 5000154861 |
|---|---|
| Old Part Number | 0154861 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cylinder Head #1 |
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 | CRT36-25K-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.
