The Wacker Neuson Lock Nut is a genuine OEM fastener designed for the G100, G120, G150, G180, G230, and G240 series portable generators. As a factory-sourced component, it is manufactured to the same tolerances and material specifications as the original hardware installed at the factory. This Lock Nut fits an extensive range of G-series generator configurations, including standard, cold weather, custom, and Tier 4 Final variants across multiple machine numbers. Confirming your model number before ordering ensures a direct, hassle-free installation.
Key Features
- Genuine OEM Fastener Grade — Sourced directly from Wacker Neuson, this Lock Nut meets the exact thread pitch, hardness, and locking torque retention required for generator structural and mechanical fastening applications.
- Drop-In Hardware Replacement — Matches the original thread profile and locking geometry, so it seats and torques correctly without reworking mating components.
- Broad G-Series Generator Coverage — Compatible with G100, G120, G150, G180, G230, and G240 generator models across standard, cold weather, custom, Tier 3, and Tier 4 Final configurations, including MGT3.1S and MGT4S trailer-mounted units.
- Vibration-Resistant Locking Design — The locking feature resists loosening under the continuous vibration inherent to generator operation, helping maintain secure assembly integrity over extended run times.
- Electrical Safety Relevance — On generator equipment, loose or failed fasteners can compromise panel, frame, and component mounting integrity; using the correct OEM-spec Lock Nut supports safe, compliant operation.
A lock nut is a threaded fastener engineered to resist self-loosening under vibration and dynamic loads — a common condition in generator sets running under sustained load. Unlike a standard hex nut, a lock nut uses a deformed thread section, nylon insert, or similar locking mechanism to maintain clamp force even as the machine cycles through start-up, operation, and shutdown. When a lock nut strips, corrodes, or loses its locking effectiveness, it can allow connected components to shift or work loose, potentially causing misalignment, mechanical damage, or unsafe conditions in the generator assembly. Replacing a worn or damaged lock nut promptly with the correct OEM part keeps fastened assemblies secure and the generator operating as intended.
Part Details
| Part Number | 5000175961 |
|---|---|
| Old Part Number | 0175961 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G150-GENERATOR, SKID, CUSTOM, DEERE T3 | G150 | 5000620657, 5200001321, 5200006902, 5000620656, 5000620306, 5000620655, 5200003160, 5000620889, 5000620307, 5200007860, 5000620308, 5000620887, 5000620888, 5200014784, 5200010135, 5200010136, 5200010137, 5200025554, 5100026980, 5100026981, 5100026982, 5100029212, 5100025830 |
| G180-GENERATOR, SKID, CUSTOM, DEERE T3 | G180 | 5000620660, 5200001322, 5200006903, 5000620303, 5000620658, 5000620659, 5200003161, 5000620886, 5000620884, 5200007861, 5000620304, 5000620885, 5000620305, 5200010140, 5200014470, 5200010138, 5200010139, 5200014471, 5100015615, 5200014469, 5200025555, 5100045089, 5100045575, 5100045576, 5100045590, 5100045591, 5100045592, 5100049844, 5100049845, 5100025832, 5100025842 |
| G240-GENERATOR, SKID, CUSTOM, DEERE T3 | G240 | 5000620663, 5200001323, 5200006904, 5000620662, 5000620300, 5000620661, 5200003162, 5000620301, 5000620302, 5200025556, 5100025834 |
| Mobile Generators | G100 | 5200001319, 5200006900, 5200008348 |
| Mobile Generators | G120 | 5200001320, 5200006901, 5200008353 |
| G230 Generator, Custom T4i | G230 | 5000620883, 5000620881, 5000620882, 5200007862, 5200010141, 5200010142, 5200010143, 5100015614, 5100045190, 5100045596, 5100045597, 5100049846, 5100049847 |
| G150 Generator,Hertz,T4 Final | G150 Generator,Hertz,T4 Final | 5100015616 |
| MGT4S Trailer, Surge, Dual Axle, 6000LB Each | MGT4S | 5000620315, 5200001327 |
| MGT3.1S Trailer, Surge, Dual Axle, 5200LB Each | MGT3.1S | 5200001326 |
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.
