The Wacker Neuson Hi 770 Duct Adapter is a genuine OEM component designed for the HI770XHD Extra Heavy Duty Air Heater. Sourced directly from Wacker Neuson, this adapter carries the same engineering tolerances and material specifications as the original part it replaces. If your HI770XHD is losing heat output or showing airflow irregularities at the duct connection, replacing the with an authentic OEM part restores the unit to its intended operating condition.
Key Features
- OEM Duct Geometry: — Manufactured to the exact duct interface dimensions of the original, ensuring a sealed, gap-free connection that maintains directed airflow through the heater assembly.
- Direct-Fit Replacement: — Matches the mounting configuration of the original 5100049983 on the HI770XHD, dropping into place without reworking adjacent ductwork or fittings.
- HI770XHD Compatibility: — Verified fitment for the HI770XHD Extra Heavy Duty Air Heater, so you can order with confidence before the part arrives on site.
- Airflow Integrity: — A correctly seated duct adapter keeps heated air directed where it needs to go; a damaged or ill-fitting adapter allows heat loss and reduces the effective output of the entire unit.
- Genuine Wacker Neuson Quality: — Built to the same material and dimensional standards as the part that left the factory, supporting consistent heater performance across demanding jobsite conditions.
The Hi 770 Duct Adapter connects the heater's internal heat exchanger output to the external duct system, channeling warm air from the combustion assembly toward the intended space. It acts as a transition point between the heater body and attached ducting, and any gap, crack, or poor fit at this junction directly reduces heating efficiency. When the adapter degrades or becomes damaged, heated air can escape before reaching the target area, leaving the machine running but underperforming.
Part Details
| Part Number | 5100049983 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hi 770 Duct Adapter |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Extra Heavy Duty Air Heater | HI770XHD | 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