The Wacker Neuson Doors Complete is a genuine OEM enclosure door assembly designed for the HI750GM and HI900DGM series indirect-fired air heaters. Sourced directly from Wacker Neuson, this OEM assembly ensures the doors install correctly and seal as intended — no trimming, fitting, or guesswork required. Compatibility spans multiple HI750GM and HI900DGM configurations, including surge brake, mobile, and standard variants. If your existing doors are damaged, corroded, or no longer closing properly, part number is the direct replacement to restore full enclosure integrity.
Key Features
- Genuine OEM Enclosure Integrity — Manufactured to Wacker Neuson's original design tolerances, ensuring proper panel alignment, latch engagement, and weather-tight closure specific to the HI series heater cabinet.
- Drop-In Replacement Assembly — Complete door assembly mounts to existing hinge points and hardware positions on the heater cabinet, matching the original installation footprint exactly.
- Broad HI Series Compatibility — Fits multiple HI750GM and HI900DGM configurations including surge brake, mobile, and standard indirect heater variants.
- Protects Internal Combustion and Heat Exchange Components — A properly sealed door assembly shields the burner, heat exchanger, and fuel system components from wind, debris, and moisture — all of which can impair combustion efficiency and heater output.
- Fuel System Safety Compliance — Intact enclosure doors are essential for maintaining the fire and fuel-safety envelope of an indirect-fired heater; damaged or missing doors can expose burner components and create a hazard on cold-weather job sites.
The enclosure doors on an indirect-fired air heater form the protective outer cabinet around the burner assembly, heat exchanger, and fuel components. They are designed to contain heat transfer airflow, block wind interference that disrupts combustion, and protect internal components from precipitation and job-site debris. When doors are bent, broken, or no longer latching securely, the heater's combustion environment is compromised — leading to inconsistent heat output, increased fuel consumption, and potential exposure of fuel system components to the elements.
Part Details
| Part Number | 5000183734 |
|---|---|
| Old Part Number | 0183734 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Doors Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI750 DGM HEATER-INDIRECT | HI750GM | 5000620859, 5000620930 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 5200014166 |
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.