The Wacker Neuson Door is a genuine OEM component designed for the HI 770 XHD indirect-fired diesel air heater, including both the standard HI 770 XHD and Arctic Bear XHD configurations. Sourced directly from Wacker Neuson, this door matches the original part in fit, form, and function — no guesswork, no adaptation. It is the correct replacement for units running in single-duct (1x16) and dual-duct (2x12) setups, keeping your heater sealed and operating as intended on cold-weather job sites.
Key Features
- Genuine OEM Construction: — Manufactured to Wacker Neuson's original specifications, ensuring the door seals and latches exactly as the factory-installed unit did — critical for maintaining combustion enclosure integrity on an indirect-fired heater.
- Direct Drop-In Replacement: — Engineered to mount using the existing hardware and hinge points on the HI 770 XHD enclosure, making the swap clean and straightforward.
- Confirmed Fitment: — Verified for the HI 770 XHD Indirect Air Heater (Diesel) in both 1x16 and 2x12 duct configurations, as well as the Arctic Bear XHD variant.
- Combustion Chamber Integrity: — A properly fitting door maintains the sealed environment required for efficient, controlled combustion — a damaged or missing door can compromise heat output and burner performance.
- Safety-Critical Component: — On an indirect-fired diesel heater, the door is part of the combustion enclosure. Using a correctly rated, OEM-spec door ensures the unit operates within its designed safety parameters and meets operational compliance requirements.
On an indirect-fired air heater like the HI 770 XHD, the door provides access to and encloses the burner and heat exchanger compartment. It plays a direct role in maintaining the sealed combustion environment that keeps exhaust gases separate from the heated discharge air — which is why indirect-fired heaters are safe for use in occupied spaces. When the door is damaged, warped, or missing, the enclosure loses its seal, potentially allowing heat loss, improper combustion, or unsafe exhaust conditions. Replacing a worn or broken door with a genuine OEM part restores the unit to its original operating specification and keeps the heater running safely and efficiently.
Part Details
| Part Number | 5000167418 |
|---|---|
| Old Part Number | 0167418 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Door |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 770 XHD Indirect Air Heater, Diesel, 1x16 | HI770XHD | 5000620183 |
| HI 770 XHD Indirect Air Heater, Diesel, 2x12 | Arctic Bear XHD | 5000620676 |
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.
