The Wacker Neuson Coupling is a genuine OEM component designed for HI-series diesel indirect-fired air heaters. This coupling services a broad range of units including the HI 400HD D, HI 200D, HI 200HD D, HI 110HD D, HI 110D, and HI35 indirect air heaters. As a direct factory replacement, the installs to original specifications, restoring proper mechanical drive engagement within the heater system. Verify your model number before ordering to confirm fitment.
Key Features
- Genuine OEM Drive Integrity — Manufactured to Wacker Neuson's original torque-transfer tolerances, ensuring the coupling engages and seats exactly as the factory intended in diesel indirect heater applications.
- Direct-Fit Replacement — Matches the original mounting interface and dimensions of the HI-series heater drivetrain, dropping in without rework or modification to surrounding components.
- Wide HI-Series Compatibility — Confirmed fitment across the HI 35, HI 110D, HI 110HD D, HI 200D, HI 200HD D, and HI 400HD D diesel indirect air heater models.
- Sustained Heat Output — A functioning coupling maintains consistent drive to the heater's burner and airflow system; a worn or cracked coupling can cause irregular heat output or complete heater shutdown in demanding cold-weather conditions.
- Fuel System Adjacency Compliance — Using the correct OEM coupling in a diesel-fueled heating system ensures clearances and material compatibility are maintained around the fuel and combustion circuit.
A coupling in an indirect-fired air heater transmits rotational drive between connected mechanical components within the heater's power and airflow system. It absorbs minor shaft misalignment and vibration, protecting adjacent components from premature wear. When a coupling degrades, cracks, or fails, drive transmission is interrupted, which can result in loss of airflow, inconsistent burner operation, or a full heater shutdown — a critical failure on cold-weather construction sites where continuous heat output is essential.
Part Details
| Part Number | 5000183947 |
|---|---|
| Old Part Number | 0183947 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Coupling |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD D Indirect Air Heater | HI400HDD | 5000620868 |
| HI 110HD D Indirect Air Heater, Diesel | HI110HD D | 5000620864 |
| HI 110D, HEATER-INDIRECT, DIESEL, -20° | HI110D | 5000620915 |
| HI 200 D Indirect Air Heater | HI200D | 5000620865, 5200011877 |
| HI 200HD D Indirect Air Heater | HI200HDD | 5000620916, 5200011878 |
| HI35 | HI35 | 5200019337 |
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.