The Wacker Neuson Ratchet Fan is a genuine OEM component designed for the P31A Power Unit for Wet Screed. Sourced directly from Wacker Neuson, this part matches the original specification installed at the factory, ensuring a correct fit without guesswork. If your screed power unit is running hot or the cooling airflow has degraded, this is the part that gets it back to proper operating condition.
Key Features
- Genuine OEM Construction: — Blade pitch, hub geometry, and material grade match the original ratchet fan exactly, so airflow output stays within the thermal management range the P31A was engineered around.
- Direct-Fit Replacement: — Engineered to mount directly onto the P31A Power Unit for Wet Screed with the same bolt pattern and shaft interface as the part it replaces.
- Verified P31A Compatibility: — Confirmed fitment for the P31A Power Unit for Wet Screed, so you can order with confidence using part number 5000157602.
- Ratchet Mechanism Integrity: — The integrated ratchet function allows the fan to freewheel in one direction, protecting the drive system from back-spin during shutdown and reducing stress on the shaft and bearings.
- Sustained Engine Temperature Control: — A functioning ratchet fan keeps engine temperatures in the correct operating range during screed operation; a worn or failed fan can lead to overheating and unplanned stoppages mid-pour.
The ratchet fan draws cooling air across the engine or power unit to prevent heat buildup during operation. The ratchet mechanism is a critical detail — it allows the fan blade assembly to spin freely in the reverse direction when the engine decelerates or stops, preventing the fan's inertia from placing a backward load on the crankshaft or drive components. When the ratchet mechanism wears out or the fan blades crack, cooling efficiency drops and the drive system is exposed to additional stress, both of which can shorten engine life and interrupt work on the screed.
Part Details
| Part Number | 5000157602 |
|---|---|
| Old Part Number | 0157602 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Ratchet Fan |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Power Unit for Wet Screed | P31A | 5000009365 |
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.