The Wacker Neuson Top Cover is a genuine OEM component designed for the HI 770 XHD series indirect-fired diesel air heaters, including Arctic Bear XHD and Arctic Bear XHD NS configurations. As a direct OEM replacement, this cover is manufactured to the same specifications as the original part, ensuring a correct, trouble-free installation on your HI 770 XHD unit. Whether you're running a 1x16, 1x20, or 2x12 duct configuration, the is the verified replacement top cover for this heater family. Keep your HI 770 XHD protected and performing at full output with the right part from the source.
Key Features
- Genuine OEM Construction: — Manufactured to the original material and dimensional spec, so the cover sits flush, seals correctly, and holds up to the thermal and environmental demands of heavy-duty diesel heating operation.
- Drop-In Replacement: — Matches the original mounting points and profile of the HI 770 XHD housing, allowing straightforward swap-out without reworking the surrounding enclosure.
- Broad HI 770 XHD Compatibility: — Verified fitment across Arctic Bear XHD, Arctic Bear XHD NS, and standard HI 770 XHD models in multiple duct configurations (1x16, 1x20, 2x12).
- Structural Protection for Critical Components: — The top cover shields the internal heat exchanger and burner assembly from impact, debris, and weather exposure, directly supporting consistent heat output on the worksite.
- Fire and Heat Safety Compliance: — A properly fitted top cover is essential on indirect-fired heaters to contain heat pathways and maintain the designed separation between combustion components and the surrounding environment.
The top cover on a Wacker Neuson HI 770 XHD indirect-fired air heater forms the uppermost protective shell of the unit's main body, enclosing the burner and heat exchanger assembly against the elements and physical damage. On indirect heaters, maintaining the integrity of the outer enclosure is especially important because combustion gases are kept entirely separate from the heated airstream — a damaged or missing cover can compromise that separation and expose internal components to moisture, debris, and cold air intrusion that degrades heating efficiency. When the top cover is cracked, deformed, or missing, it can lead to uneven heat output, accelerated corrosion of internal parts, and potential safety concerns on cold-weather job sites.
Part Details
| Part Number | 5000167428 |
|---|---|
| Old Part Number | 0167428 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Top Cover |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 770 XHD Indirect Air Heater, Diesel, 2x12 | Arctic Bear XHD | 5000620676 |
| HI 770 XHD Indirect Air Heater, Diesel, 1x16 | HI770XHD | 5000620183, 5200003814, 5200004934, 5100049894 |
| HI770XHD Indirect Heater | Arctic Bear XHD NS | 5000620690 |
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.
