The Wacker Neuson Motor 5hp 3ph 60hz 208-230v -40 Deg is a genuine OEM component designed for the HI750GM HD and HI900DGM series indirect air heaters. Sourced directly from Wacker Neuson, this motor carries the same specifications as the original unit installed at the factory, ensuring correct electrical characteristics and mechanical fit right out of the box. It is confirmed compatible with the HI750GM HD Mobile Indirect Air Heater and both HI900DGM surge and electric configurations.
Key Features
- Correct Electrical Rating for Cold-Climate Operation — Rated for 208-230V, 3-phase, 60Hz service with a -40 degree operational threshold, matching the original motor spec for reliable cold-weather performance.
- 5hp Output for Full Burner Drive — Delivers the horsepower the heater's burner assembly demands; an underpowered or failed motor starves the system of airflow and shuts down heat output.
- Genuine OEM Part — Direct Drop-In Replacement — Wacker Neuson part number 5200007478 is built to the same tolerances as the original, connecting directly to existing mounts and wiring without adaptation.
- Fits HI750GM HD and HI900DGM Series Heaters — Verified fitment across HI750GM HD Mobile Indirect Air Heaters and HI900DGM surge and electric models.
- Electrical Safety Compliance — As a 3-phase motor driving combustion airflow, using the correctly rated OEM unit ensures the heater operates within its designed electrical load parameters, reducing risk of overload or tripped protection circuits on the job.
The blower motor in an indirect fired air heater is responsible for drawing combustion air through the burner and pushing conditioned heat out into the work area. On models like the HI750GM HD and HI900DGM, this motor runs continuously throughout the heating cycle, so its electrical rating — voltage, phase, and temperature tolerance — must match the heater's design exactly. When the motor weakens or fails, airflow drops, burner performance deteriorates, and the unit will typically fault out or fail to ignite, leaving crews without heat in extreme cold conditions.
Part Details
| Part Number | 5200007478 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Motor 5hp 3ph 60hz 208-230v -40 Deg |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222 |
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.