The Wacker Neuson Fan is a genuine OEM component designed for the HDR 45, HI 120, and HI 120HD indirect-fired air heaters. As a direct Wacker Neuson OEM part, the is manufactured to the exact specifications of the original, ensuring a correct, drop-in installation with no guesswork. This fan is a critical airflow component that keeps warm air moving efficiently through the heater's output — a worn or damaged fan can result in reduced heat delivery, overheating of internal components, or complete heater shutdown. Confirm your model number before ordering to ensure this part is the right match for your unit.
Key Features
- Genuine OEM Airflow Performance — Manufactured to Wacker Neuson's original blade geometry and rotational balance specs, delivering the airflow volume the heater was engineered to produce.
- Direct-Fit Installation — Matches the original mounting interface and shaft dimensions on HDR 45, HI 120, and HI 120HD units, so installation follows the standard service procedure without modification.
- Broad Heater Family Coverage — A single part number covering the HDR 45, HI 120, and HI 120HD indirect-fired air heaters simplifies parts sourcing for fleets running multiple heater models.
- Sustained Heat Output — A properly functioning fan ensures consistent warm-air distribution; a failing fan disrupts airflow balance and can cause the heat exchanger to run hotter than intended.
- Combustion Safety Compliance — In indirect-fired heaters, adequate airflow is essential to safe combustion management; replacing a worn fan with a genuine OEM part helps maintain the heater's designed combustion air balance.
The fan in an indirect-fired air heater draws combustion air across the burner assembly and pushes heated air through the heat exchanger and out into the work area. It is the primary driver of both combustion efficiency and heat delivery — if the fan slows, loses a blade, or fails entirely, the heater loses its ability to move air at the design rate, which can trigger safety shutdowns, reduce output temperature, or allow heat to build up internally. Keeping this component in good condition is essential to consistent, safe operation of the HDR 45, HI 120, and HI 120HD heaters in cold-weather jobsite applications.
Part Details
| Part Number | 5200023875 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fan |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HDR 45 | HDR45 | 5200013800 |
| HI 120 | HI120 | 5200019342 |
| HI 120HD | HI120HD | 5200019343 |
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.