The Wacker Neuson Terminal is a genuine OEM component designed for the HI750 and HI900 series indirect-fired air heaters. Sourced directly from Wacker Neuson, this terminal delivers the exact electrical connection specifications required to keep your heater's control and ignition circuits operating as intended. It is compatible with a wide range of HI750 and HI900 configurations, including diesel, natural gas, LP, skid-mounted, and surge-brake-equipped variants. Verify your model number before ordering to confirm the correct application.
Key Features
- Correct Electrical Specification: — Genuine OEM construction ensures the terminal meets the precise conductivity and connection ratings required for HI-series heater control circuits.
- Drop-In Replacement: — Engineered to the original connector profile, so it seats and locks into the existing wiring harness without rework or adaptation.
- Broad HI-Series Fitment: — Fits a wide range of HI750 and HI900 models, including diesel, natural gas, LP, skid-mounted, and surge-brake configurations.
- Protects Ignition and Control Circuit Integrity: — A secure, properly rated terminal connection prevents voltage drop, arcing, and intermittent faults that can cause nuisance shutdowns or failed ignition sequences in cold-weather operations.
- Electrical Safety Compliance: — Using the correct OEM-spec terminal on a fuel-fired heater's control wiring is critical — undersized or non-conforming terminals introduce resistance and heat that can compromise safe heater operation.
A terminal is a small but essential electrical connector that forms a secure, low-resistance junction between wires or between a wire and a component within the heater's control and ignition system. In an indirect-fired air heater like the HI750 and HI900 series, these terminals carry signals and power to components such as the igniter, flame sensor, and burner controls — all of which must function reliably in demanding cold-weather environments. A corroded, loose, or damaged terminal can cause intermittent faults, failed starts, or unexpected shutdowns, making timely replacement important for consistent heat output on the jobsite.
Part Details
| Part Number | 5200000774 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Terminal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI750 DGM HEATER-INDIRECT | HI750GM | 5000620859, 5000620930 |
| Mobile Indirect Fired Air Heat er, Diesel | HI750D | 5000620856, 5000620923, 5000620924 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI750G HEATER-INDIRECT | HI750G | 5000620857, 5000620928, 5000620929 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 5200014166 |
| HI 900D Heater-Indirect | HI900D | 5200014158, 5200014159, 5200014160 |
| Skid Indirect Air Heaters Natu ral Gas | HI900G | 5200014161 |
| HI 900G Heater-Indirect,3x16 | HI900 G | 5200014163, 5200014164 |
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.
