The Wacker Neuson Insulation is a genuine OEM component designed for the HI 770 XHD series indirect-fired air heaters, including Arctic Bear XHD and HI770XHD configurations. As a direct factory replacement, part maintains the thermal integrity that these diesel-powered heaters depend on to deliver consistent, efficient heat output in demanding jobsite conditions. This insulation is confirmed to fit across multiple HI 770 XHD variants, including 1x16, 1x20, and 2x12 duct configurations, as well as Extra Heavy Duty Air Heater models. Ordering by Wacker Neuson part number ensures you receive the correct OEM-spec component the first time.
Key Features
- Genuine OEM Thermal Rating: — Manufactured to Wacker Neuson's original heat-resistance and insulation specifications, ensuring the material performs at the temperatures generated inside the HI 770 XHD combustion and heat-exchange system.
- Direct Drop-In Fit: — Engineered to match the original mounting profile and dimensions of the HI 770 XHD heater chassis, installing in the same position as the factory part without modification.
- Broad HI 770 XHD Coverage: — Compatible with Arctic Bear XHD, Arctic Bear XHD NS, and HI770XHD models across multiple configurations, including 1x16, 1x20, 2x12 duct setups, and Extra Heavy Duty variants.
- Sustained Heating Efficiency: — Intact insulation keeps heat directed through the airflow path rather than dispersing into the heater casing, allowing the unit to reach and hold target output temperatures effectively.
- Combustion Safety Compliance: — Proper insulation contains heat within the designated zones of an indirect-fired heater, reducing the risk of surface overheating on the heater body — a relevant safety consideration for this type of equipment.
Insulation in an indirect-fired air heater serves as a thermal barrier that contains heat within the combustion and heat-exchange chambers, directing energy into the outgoing airflow rather than allowing it to radiate through the heater's outer structure. In the HI 770 XHD, this insulation protects surrounding components from excess heat and helps the unit run at peak efficiency by minimizing thermal loss. When insulation degrades, cracks, or pulls away from its mounting position, the heater may struggle to reach set temperatures, cycle more frequently, or cause uneven surface temperatures on the heater casing that can be hazardous in enclosed or temporary heating applications.
Part Details
| Part Number | 5000167420 |
|---|---|
| Old Part Number | 0167420 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Insulation |
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.
