The Wacker Neuson Lock Nut is a genuine OEM fastener designed for the HI260 indirect-fired air heater, E5000 ground heater, and CH5000 cross heater series. As a direct OEM replacement, this lock nut is sourced from Wacker Neuson to meet the exact specifications of the original hardware used in these heating units. It is confirmed compatible across multiple HI260, E5000, and CH5000 configurations, including diesel, gas, and generator-equipped variants. When fastener integrity matters in demanding heating equipment, specifying the correct OEM part keeps the assembly secure and properly torqued.
Key Features
- Genuine OEM Fastener Spec — Manufactured to Wacker Neuson's original thread profile and hardness grade, ensuring the nut seats and torques correctly without risk of stripping or backing out.
- Direct Hardware Match — Installs as a drop-in replacement using standard tooling; no chasing threads or shimming required to achieve proper clamping force.
- Broad Heater Family Coverage — Confirmed fit across HI260 indirect-fired air heaters, E5000 ground heaters (diesel and gas burner variants), and CH5000 cross heaters with oil burner and generator configurations.
- Locking Retention Under Vibration — The locking feature resists loosening caused by the vibration and thermal cycling typical in portable heating equipment, maintaining joint integrity over extended run times.
- Fuel System and Structural Safety — Used in heating equipment where fastener failure can compromise fuel-line or burner-assembly retention; using the correct OEM-specified lock nut supports safe operation.
A lock nut is a prevailing-torque fastener designed to resist loosening when subjected to vibration, thermal expansion, and contraction — conditions that are common in portable heaters running continuously on a jobsite. The locking element, whether a nylon insert or a deformed thread profile, creates resistance that prevents the nut from backing off the bolt over time. When a lock nut fails or is substituted with an incorrect fastener, critical assemblies within the heater — including burner mounts, fuel-line brackets, and structural panels — can work loose, leading to misalignment, leaks, or unsafe operating conditions. Replacing a worn or damaged lock nut with the correct OEM part restores the designed clamping load and keeps the assembly performing as intended.
Part Details
| Part Number | 5000177815 |
|---|---|
| Old Part Number | 0177815 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E5000 Ground Heater, 12kw Gen, Diesel | E5000 | 5000620899, 5000620897, 5000620898 |
| HI260 HEATER,OIL WITH TANK | HI260 | 5200018503, 5200018504 |
| Cross Heater with oil burner | CH5000 | 5000620240, 5000620242 |
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.
