The Wacker Neuson Blower Wheel is a genuine OEM component designed for the HI 400HD D Indirect Air Heater and the HDR 155 Direct Fired Radiant Heater. As a factory-sourced replacement, the matches the original specifications for blade geometry, hub dimensions, and rotational balance — ensuring the unit moves the correct volume of air for rated heat output. This genuine Wacker Neuson part installs directly in place of the original with no fitment guesswork, keeping your heating equipment performing at full capacity through demanding cold-weather operations.
Key Features
- Genuine OEM Blade Geometry — Factory-matched blade pitch and diameter maintain the designed airflow volume and static pressure output for full rated heat delivery.
- Precision Rotational Balance — The wheel is balanced to OEM tolerances, preventing vibration-induced bearing wear and motor strain during continuous operation.
- Direct Drop-In Replacement — Hub bore and mounting pattern match the original motor shaft interface on both supported heater models, making swap-out straightforward.
- Confirmed Fitment for HI 400HD D and HDR 155 — Verified for the HI 400HD D Indirect Air Heater and HDR 155 Direct Fired Radiant Heater platforms.
- Sustained Heating Performance — A worn or damaged blower wheel reduces airflow, causing the heater to short-cycle, overheat, or fail to reach set temperatures; a correct replacement restores full output.
- Combustion Safety Compliance — Adequate airflow is essential for proper fuel-air mixing and combustion in direct-fired and indirect heaters; using the correct OEM wheel maintains safe operating conditions.
The blower wheel is the rotating fan component driven by the heater's electric motor to draw in ambient air and force it across the heat exchanger or through the combustion chamber. It is responsible for sustaining the continuous airflow that transfers heat from the burner to the output stream — without sufficient airflow, combustion efficiency drops, heat output falls, and thermal safety controls may trip. When a blower wheel becomes cracked, corroded, or unbalanced, the resulting turbulence and reduced flow can cause uneven heating, excessive motor load, and accelerated wear throughout the air-handling assembly.
Part Details
| Part Number | 5000183956 |
|---|---|
| Old Part Number | 0183956 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Blower Wheel |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD D Indirect Air Heater | HI400HDD | 5000620868 |
| HDR 155 Direct Fired Radiant Heater | HDR155 | 5200007530 |
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.
