The Wacker Neuson Idle Adjust Needle is a genuine OEM component designed for the CRT36-25 915mm/36in Ride-on Trowel, including models CRT36-25. As a direct OEM part, it is manufactured to the same standards as the original component it replaces, ensuring consistent carburetor tuning behavior and reliable idle calibration. This needle fits both the standard CRT36-25 and the CRT36-25 Wheel Kit variant, making it the correct choice for operators servicing either configuration. Keep part number on hand to minimize idle-related disruptions during finishing operations.
Key Features
- OEM Fuel Metering Accuracy — Manufactured to the same needle taper and dimensional tolerances as the original, ensuring the carburetor delivers the correct air-fuel mixture at idle without guesswork.
- Drop-In Carburetor Fit — Seats directly into the carburetor's needle jet channel the same way the original does, with no reworking of the throttle slide or jet assembly required.
- CRT36-25 Series Coverage — Confirmed fitment for the 915mm/36in Ride-on Trowel in both standard and Wheel Kit configurations.
- Stable Idle Under Load — A correctly sized and undamaged idle needle maintains smooth, consistent engine speed at low throttle — a worn or grooved needle causes rough idling, hard starting, and inconsistent engine response during troweling passes.
- Fuel System Integrity — Proper idle needle condition is essential for preventing over-rich or over-lean idle conditions that can lead to engine flooding, carbon buildup, or premature wear on internal carburetor components.
The idle adjust needle sits inside the carburetor's throttle slide and controls the flow of fuel through the needle jet at low to mid-throttle positions. By raising or lowering its position via the adjustment clip, a technician fine-tunes the air-fuel mixture the engine receives at idle and light-load running. When the needle becomes worn, grooved, or incorrectly seated, the carburetor loses the ability to meter fuel accurately at idle, resulting in rough running, stalling, or difficulty achieving a stable working speed — all of which directly affect finishing quality and operator control on a ride-on trowel.
Part Details
| Part Number | 5000215859 |
|---|---|
| Old Part Number | 0215859 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Idle Adjust Needle |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in Ride-on Trowel | CRT36-25 | 5000620115, 5000620295 |
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.
