The Wacker Neuson is a genuine OEM Choke Return Spring designed for CRT48-25K and CRT36-23K series ride-on concrete trowels. As a direct factory replacement, this spring restores correct choke linkage tension and ensures the choke valve snaps back to its proper position after starting — keeping the engine running cleanly once it reaches operating temperature. Wacker Neuson genuine OEM parts are manufactured to the same specifications as the original components installed at the factory, making a straight swap with no guesswork on fit or function.
Key Features
- Correct Tension Rating: — Engineered to the precise spring rate required to reliably return the choke valve on Wacker Neuson CRT engines, preventing over-rich running after warm-up.
- Genuine OEM Construction: — Manufactured to original factory specifications, so the spring hooks and seats correctly within the choke linkage assembly without modification to the bracket or cable.
- Broad CRT Series Coverage: — Confirmed fitment across the CRT48-25K-L, CRT48-25K-H, CRT36-23K-H, and CRT36-25K-H ride-on trowel models, covering both 36-inch and 48-inch low- and high-speed variants.
- Protects Engine Efficiency: — A fatigued or broken choke return spring can leave the choke partially closed after startup, causing fuel fouling, rough idle, and excess fuel consumption on the trowel's engine.
- Fuel System Integrity: — Correct choke operation is essential for safe, clean combustion; replacing a worn return spring is a straightforward step in maintaining proper air-fuel mixture control.
The choke return spring is a small but critical component in the engine's starting system. Its job is to pull the choke valve back to the fully open position once the engine fires and begins to warm up — if it loses tension or breaks, the choke can stick partially closed, starving the engine of air and causing it to run rich, idle roughly, or produce excessive exhaust smoke. On ride-on concrete trowels like the CRT series, where consistent engine performance directly affects finishing quality across large slabs, a properly functioning choke linkage is essential to keeping the machine running at the correct speed and power throughout the pour.
Part Details
| Part Number | 5000154933 |
|---|---|
| Old Part Number | 0154933 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Choke Return 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.