The Wacker Neuson Fuse is a genuine OEM fuse designed for the HI 770 XHD series indirect-fired air heaters. Sourced directly from Wacker Neuson, this fuse ensures correct amperage rating and electrical compatibility across the HI 770 XHD heater lineup, including Arctic Bear XHD and Extra Heavy Duty Air Heater configurations. As a genuine OEM component, it meets the original design specifications for the machine's electrical protection system. Confirm your model number before ordering to ensure a correct fit for your specific HI 770 XHD unit.
Key Features
- Correct Amperage Rating — Genuine OEM specification ensures this fuse matches the exact electrical load requirements of the HI 770 XHD's protection circuit, preventing nuisance trips or under-protection.
- Direct Plug-In Replacement — Designed to seat into the original fuse holder without modification, restoring the heater's electrical protection in minutes.
- Broad HI 770 XHD Fitment — Compatible across multiple HI 770 XHD configurations, including Arctic Bear XHD, Arctic Bear XHD NS, and Extra Heavy Duty Air Heater variants.
- Protects Critical Heater Circuits — A properly rated fuse safeguards the diesel burner controls and electrical components from overcurrent damage, keeping the heater operational in demanding cold-weather applications.
- Electrical Safety Compliance — Using the correct OEM-rated fuse maintains the integrity of the heater's overcurrent protection, an important consideration for fuel-system and combustion-control circuits on diesel-powered equipment.
A fuse is a sacrificial overcurrent protection device in the heater's electrical circuit. When current draw exceeds a safe threshold — due to a fault, short circuit, or surge — the fuse element melts and breaks the circuit, preventing damage to wiring, control boards, and burner components. On an indirect-fired diesel air heater like the HI 770 XHD, reliable fuse protection is critical because the combustion controls, fuel solenoids, and ignition system all depend on a stable, protected power supply. A blown or incorrectly rated fuse can cause the heater to fail to start, shut down unexpectedly, or in a worst case, leave downstream electrical components unprotected.
Part Details
| Part Number | 5000166768 |
|---|---|
| Old Part Number | 0166768 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuse |
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.
