The Wacker Neuson Nut is a genuine OEM fastener designed for the HI750GM, HI750GMHD, and HI900DGM series indirect-fired air heaters. Sourced directly from Wacker Neuson, this nut matches the exact material grade, thread specification, and dimensional tolerances of the original hardware installed at the factory. It is confirmed to fit multiple HI750GM and HI900DGM configurations, including surge brake and mobile variants. When replacing worn or damaged fasteners, using the correct OEM part ensures secure assembly and consistent clamping force throughout the heater's components.
Key Features
- Exact Thread and Dimensional Match — Machined to the precise thread profile and bearing surface spec of the original, so it seats and torques correctly without rework.
- Genuine OEM Part — Supplied by Wacker Neuson as part 5000179022, carrying the same material and hardness grade as the hardware installed during original assembly.
- Broad HI-Series Fitment — Compatible across HI750GM, HI750GMHD, and HI900DGM indirect-fired air heater configurations, including surge brake and mobile variants.
- Consistent Clamping Integrity — A properly torqued, correctly spec'd nut maintains joint integrity in the heater assembly; a stripped or mismatched nut can allow components to loosen under vibration and thermal cycling.
- Fuel and Heat System Safety Relevance — Fasteners used in indirect-fired heater assemblies operate in high-temperature environments; using the correct grade nut prevents fastener failure that could compromise burner or fuel system enclosures.
A nut may be a small component, but in an indirect-fired air heater like the HI750GM or HI900DGM, the fasteners holding the burner assembly, heat exchanger, and fuel system enclosures together are subject to repeated thermal expansion and contraction cycles as well as vibration during operation and transport. Using a correctly spec'd nut — one matched to the original thread form, material grade, and bearing surface — ensures that critical joints maintain their clamping load over time. A fastener that is the wrong grade or thread pitch can strip, seize, or back off prematurely, potentially allowing panel gaps or component looseness that affects both performance and safety.
Part Details
| Part Number | 5000179022 |
|---|---|
| Old Part Number | 0179022 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI750 DGM HEATER-INDIRECT | HI750GM | 5000620859, 5000620930 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 5200014166 |
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.