The Wacker Neuson Doors Complete is a genuine OEM enclosure door assembly designed for the HI750GM and HI900DGM series indirect-fired air heaters. As a direct factory replacement, part restores the original fit and function of the heater enclosure across multiple HI750GM and HI900DGM configurations, including surge brake and extreme cold-weather variants rated to -40°. Wacker Neuson genuine OEM parts are manufactured to the same specifications as the original components, giving you a dependable, like-for-like replacement with no guesswork on compatibility.
Key Features
- Genuine OEM Panel Integrity — Manufactured to Wacker Neuson's original enclosure specifications, ensuring correct panel dimensions, hinge alignment, and latch engagement on reassembly.
- Drop-In Replacement — Replaces the original door assembly directly, using existing mounting points on the HI750GM and HI900DGM heater chassis with no fabrication or adaptation.
- Broad HI-Series Fitment — Confirmed fit across HI750GM, HI750GM HD Mobile, HI900DGM, and HI900DGM surge brake configurations, covering a wide range of indirect heater setups.
- Combustion Chamber Protection — Intact doors keep the burner and heat exchanger compartment sealed against wind, debris, and moisture, maintaining stable combustion and consistent heat output in harsh jobsite conditions.
- Cold-Weather Durability — Engineered for use on units rated to -40° operation, so the door assembly holds up in the extreme temperature cycling these heaters are built to handle.
The doors on an indirect-fired air heater enclose the burner and heat exchanger assembly, shielding the internal combustion components from wind, precipitation, and site debris. When the doors are damaged, warped, or missing, the heater's ability to maintain a consistent combustion environment is compromised — leading to inefficient fuel burn, uneven heat output, or potential flame-out in cold or windy conditions. Replacing a damaged door assembly with a correct-fit unit like the 5000183729 restores the protective enclosure the heater depends on to deliver steady, reliable heat output through extended cold-weather operation.
Part Details
| Part Number | 5000183729 |
|---|---|
| Old Part Number | 0183729 |
| 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.
