The Wacker Neuson is a genuine OEM 8.0 Kw Marathon Generator designed for HI 770 XHD Indirect Air Heater series machines. As a direct OEM component sourced from Wacker Neuson, part is built to the exact electrical output and mechanical specifications required by these heavy-duty diesel-fired heaters. Confirmed fitment covers the HI 770 XHD Indirect Air Heater in multiple diesel configurations, including 2x12, 1x16, and 1x20 duct arrangements, as well as Extra Heavy Duty Air Heater variants across multiple serial ranges.
Key Features
- Correct Output Rating: — Rated at 8.0 Kw to match the precise power generation requirement of HI 770 XHD heater systems, ensuring the control and ignition circuits receive proper voltage and amperage.
- Genuine OEM Component: — Manufactured to Wacker Neuson specification as an authorized replacement, so the unit connects directly to the existing mounting points and electrical harness without adaptation.
- Broad HI 770 XHD Series Coverage: — Fits multiple HI 770 XHD diesel configurations including 2x12, 1x16, and 1x20 duct models, as well as Extra Heavy Duty Air Heater variants.
- Sustained Heat Output: — A properly functioning generator keeps the heater's fuel, ignition, and control systems powered continuously; a failing unit causes erratic burner operation or complete shutdown in cold-weather work conditions.
- Electrical Safety Compliance: — As the primary onboard power source for heater controls and ignition, using a correctly rated OEM generator is critical to safe and consistent burner operation in demanding job environments.
The onboard generator on an indirect-fired air heater supplies the electrical power needed to run the burner controls, fuel system, ignition components, and safety monitoring circuits. Without a correctly rated generator, the heater cannot maintain consistent fuel delivery or reliable ignition, which leads to poor heat output or unsafe burner behavior. When this generator degrades or fails, replacing it with the correct OEM-rated unit restores full electrical capacity and allows the heater to operate as designed.
Part Details
| Part Number | 5000178657 |
|---|---|
| Old Part Number | 0178657 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | 8.0 Kw Marathon Generator |
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 |
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.
Wacker Neuson