The Wacker Neuson Inner Rotor is a genuine OEM component designed for the CRT36-25 and CRT36-26A-WK 915mm/36-inch ride-on trowels, including wheel kit-equipped configurations. As a factory-authorized part, the is manufactured to the same specifications as the original, ensuring a correct, direct-fit installation with no guesswork on compatibility. This Inner Rotor is the right choice when restoring trowel performance to original working condition across the CRT36-25 series.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to exact original tolerances, so the rotor seats, aligns, and engages precisely as the trowel was engineered to operate.
- Direct Drop-In Replacement — Engineered to the same mounting profile as the original, allowing straightforward installation within the CRT36-25 rotor assembly.
- Broad CRT36-25 Series Compatibility — Confirmed fitment across standard CRT36-25 units and wheel kit-equipped variants, covering multiple build configurations in the 915mm/36-inch ride-on trowel lineup.
- Smooth Power Transfer — A correctly functioning Inner Rotor maintains consistent rotational output to the trowel blades; a worn or damaged rotor causes uneven blade speed, vibration, and poor surface finish.
- Backed by Wacker Neuson — Sourced directly through the Wacker Neuson OEM supply chain, giving you confidence in part authenticity and long-term component integrity.
The inner rotor is a core rotating component within the trowel's drive system, responsible for transferring power from the motor to the blade arms. It works in conjunction with the outer rotor assembly to produce the controlled, even rotation that allows a ride-on trowel to finish concrete surfaces consistently. When the inner rotor wears or fails, operators will typically notice irregular blade speed, increased vibration, or a loss of finishing control — all of which directly affect the quality of the concrete finish and the efficiency of the pour cycle.
Part Details
| Part Number | 5200009901 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Inner Rotor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in Ride-on Trowel | CRT36-25 | 5000620115, 5000620295, 5000620803, 5000620804 |
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.
