The Wacker Neuson Muffler is a genuine OEM component designed for the HI 770 XHD Indirect Air Heater series and Arctic Bear XHD Extra Heavy Duty Air Heaters. As a direct OEM part, the is manufactured to the exact specifications of the original unit it replaces, ensuring a correct drop-in fit with no guesswork on compatibility. This Muffler is confirmed to fit multiple HI 770 XHD configurations, including diesel models with 1x16, 1x20, and 2x12 duct arrangements, as well as Arctic Bear XHD and Extra Heavy Duty Air Heater variants. Ordering by part number is the most reliable way to confirm you're getting the right part for your machine.
Key Features
- OEM Exhaust Integrity — Manufactured by Wacker Neuson to original tolerances, ensuring correct back-pressure and exhaust flow characteristics specific to these diesel indirect air heaters.
- Direct-Fit Replacement — Matches the original mounting configuration of the 5200011671, connecting to the exhaust outlet without modification or adaption to existing hardware.
- Broad HI 770 XHD Coverage — Compatible across multiple HI 770 XHD Indirect Air Heater configurations (1x16, 1x20, 2x12 duct setups) as well as Arctic Bear XHD and Extra Heavy Duty Air Heater models.
- Sustained Heater Output — A properly functioning muffler maintains efficient combustion exhaust flow, supporting consistent heat output during cold-weather operations where performance is critical.
- Emissions and Safety Compliance — Correct exhaust routing and noise attenuation provided by this OEM Muffler help keep the heater operating within intended emissions and operational safety parameters on the worksite.
The muffler on a diesel indirect air heater is responsible for routing combustion exhaust gases safely away from the heat exchanger while dampening engine noise generated during operation. Without a functioning muffler, exhaust gases can disrupt airflow balance within the heater, reduce combustion efficiency, and create unsafe noise and fume conditions in enclosed or semi-enclosed worksites. A cracked, corroded, or failed muffler should be replaced promptly to maintain both the heating output and the safe operation of the unit.
Part Details
| Part Number | 5200011671 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Muffler |
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.
