The Wacker Neuson Terminal Block 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 factory replacement, this terminal block restores the correct electrical connection point within the heater's wiring system, ensuring consistent and safe operation across all supported HI 770 XHD variants. Sourced directly from Wacker Neuson, part number is manufactured to the same specification as the original component installed at the factory.
Key Features
- OEM-Spec Terminal Ratings — Manufactured to the original voltage and current ratings for the HI 770 XHD heater's electrical circuit, ensuring correct load distribution across all connected terminals.
- Drop-In Replacement — Matches the original mounting footprint and terminal layout of the HI 770 XHD series, allowing direct installation without re-routing wiring or adapting connectors.
- Broad HI 770 XHD Coverage — Compatible with Arctic Bear XHD, Arctic Bear XHD NS, and standard HI 770 XHD indirect air heater configurations across multiple machine builds.
- Electrical Integrity Restored — A damaged or corroded terminal block can cause intermittent faults, heater shutdowns, or failure to ignite; replacing it with this genuine part restores stable electrical continuity throughout the control system.
- Electrical Safety Compliance — Using the correct OEM terminal block ensures that wire connections are secured at the rated capacity for the circuit, reducing the risk of loose connections, arcing, or heat buildup in a fuel-burning heater environment.
A terminal block serves as a centralized wiring junction point within the heater's electrical system, providing secure, organized connections between individual conductors without the need for direct wire-to-wire splicing. In an indirect-fired diesel air heater like the HI 770 XHD, the terminal block plays a critical role in distributing power and control signals to components such as the burner, ignition system, and safety controls. When the terminal block becomes corroded, cracked, or damaged, connections can loosen or fail entirely, leading to erratic heater behavior, fault codes, or complete loss of operation — making timely replacement essential to keeping heat output consistent on the job.
Part Details
| Part Number | 5000173285 |
|---|---|
| Old Part Number | 0173285 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Terminal Block |
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.
