The Wacker Neuson Coupling is a genuine OEM component designed for HI 770 XHD indirect-fired diesel air heaters, including Arctic Bear XHD and Arctic Bear XHD NS series machines. As a factory-sourced part, the is manufactured to the same specifications as the original, ensuring a direct, trouble-free installation in your heater. This coupling is confirmed to fit across multiple HI 770 XHD configurations, making it the reliable choice when your machine needs a like-for-like replacement.
Key Features
- Genuine OEM Construction — Sourced directly from Wacker Neuson, this coupling is built to the same tolerances and material spec as the original, maintaining the mechanical integrity of the drive connection in your HI 770 XHD heater.
- Direct-Fit Replacement — Engineered to match the original mounting interface, the 5000173581 installs in the same position and connects to the same drive components as the part it replaces.
- Broad HI 770 XHD Compatibility — Fits Arctic Bear XHD, Arctic Bear XHD NS, and multiple HI 770 XHD indirect air heater configurations including 1x16, 1x20, and 2x12 duct arrangements.
- Consistent Heat Output — A properly functioning coupling ensures the burner or blower drive assembly operates at the correct speed and engagement, maintaining steady, uninterrupted airflow and heat delivery on cold-weather jobsites.
- Verified Part Number — Part number 5000173581 is confirmed against current Wacker Neuson parts documentation, so you can order with confidence that you are receiving the correct component.
A coupling in an indirect-fired air heater serves as the mechanical link between the drive motor and a driven component — typically the blower or burner assembly. It transmits rotational force while absorbing minor misalignment and vibration, protecting both connected components from wear. When a coupling wears, cracks, or fails, the driven assembly loses power transfer, causing reduced airflow, inconsistent heat output, or a complete loss of function — which in cold-weather construction or concrete curing applications can bring work to a halt.
Part Details
| Part Number | 5000173581 |
|---|---|
| Old Part Number | 0173581 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Coupling |
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.