The Wacker Neuson 20 Inch Duct Assembly Adapter is a genuine OEM component designed for the HI1000 Indirect Air Heater and HIF600 Flameless Air Heater series. As a factory-sourced part, the is manufactured to the same standards as the original, ensuring proper fit and function across the full range of compatible units including diesel, gas, DGM Electric Brake, and DGM Surge Brake configurations. Verified fitment spans multiple HI1000 and HIF600 variants, making this the straightforward choice when replacing a worn or damaged duct adapter. Keep your heating equipment operating at full capacity with a direct OEM replacement sourced straight from Wacker Neuson.
Key Features
- Genuine OEM Duct Integrity — Factory-produced to maintain the correct airflow seal and connection geometry critical for efficient heat transfer in indirect and flameless air heaters.
- Direct Drop-In Replacement — Engineered to the original 20 inch duct interface dimensions, allowing straightforward installation without fabrication or modification to the duct assembly.
- Broad HI1000 & HIF600 Coverage — Confirmed fitment across diesel, gas, DGM Electric Brake, DGM Surge Brake, and HIF600 Flameless variants, covering a wide range of Wacker Neuson indirect heating equipment.
- Sustained Heating Output — A properly seated duct adapter maintains directed airflow to the workspace; a damaged or ill-fitting adapter causes heat loss, uneven warming, and increased fuel consumption.
- Safe Exhaust and Airflow Routing — On indirect and flameless heaters, correct duct connection is essential to keeping combustion byproducts separated from conditioned air; an OEM adapter preserves the designed separation and routing.
The 20 Inch Duct Assembly Adapter connects the heater's output housing to the distribution ductwork, channeling conditioned air from the heat exchanger directly to the area being warmed. In indirect and flameless air heaters, this adapter plays a key role in maintaining a sealed airflow path — any gap, warping, or poor fit at this junction reduces heating efficiency and can allow unconditioned air to bleed into the stream. When this adapter cracks, deforms, or no longer seals correctly, operators typically notice uneven heat distribution or a measurable drop in output temperature at the duct terminus.
Part Details
| Part Number | 5000183421 |
|---|---|
| Old Part Number | 0183421 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | 20 Inch Duct Assembly Adapter |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI1000 Indirect Air Heater, Diesel w/Tank | HI1000 | 5200011232, 5200011233, 5200011231, 5100049274, 5100049273 |
| HI1000 Indirect Air Heater, DGM, Electric Break | HI1000DGM | 5200011234, 5200011235, 5100049275, 5100049276 |
| HIF 600 Flameless Air Heater | HIF600 | 5200017593 |
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.