The Wacker Neuson Lock Nut is a genuine OEM fastener designed for the full range of Wacker Neuson G-series portable and skid-mounted mobile generators. As a direct factory replacement, this lock nut delivers the correct thread engagement, clamping force, and torque retention required to keep critical generator assemblies secure under continuous load and vibration. It is confirmed to fit G25, G50, G70, G85, G100, G120, G125, G150, G160, G180, and G240 series generators across standard, cold weather, custom, and extended-run tank configurations. When a lock nut loosens or fails, fastened components can shift, vibrate free, or cause secondary damage — sourcing the correct OEM part keeps the assembly performing as designed.
Key Features
- Genuine OEM Thread Specification — Manufactured to the exact thread pitch, diameter, and prevailing-torque rating specified for Wacker Neuson G-series generator assemblies, ensuring proper clamping load at installation.
- Vibration-Resistant Locking Design — The lock nut's locking feature is engineered to resist self-loosening under the sustained vibration and mechanical load inherent to generator operation.
- Broad G-Series Compatibility — Fits G25 through G240 mobile and skid-mounted generators, covering standard, cold weather, custom, extended-run tank, and 600V switchable configurations.
- Drop-In Replacement — Matches the original fastener geometry so it seats correctly on existing studs or bolts without rework or hardware substitution.
- Protects Surrounding Components — A properly torqued lock nut prevents fastener back-out that could allow panels, brackets, or mechanical assemblies to shift and cause collateral damage during extended run cycles.
A lock nut is a threaded fastener with a built-in mechanism — typically a nylon insert, distorted thread, or all-metal prevailing-torque design — that resists loosening when subjected to vibration, dynamic loads, and thermal cycling. In generator applications, fasteners are exposed to constant engine vibration and fluctuating temperatures that can cause standard nuts to back off over time. When a lock nut loses its holding force or is missing entirely, the components it secures can shift out of alignment, creating wear, leaks, or structural failures elsewhere in the assembly. Using the correct OEM-specified part ensures the fastener meets the torque and retention requirements the machine was engineered around.
Part Details
| Part Number | 5000171924 |
|---|---|
| Old Part Number | 0171924 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Skid-mounted Mobile Generator, Custom | G70 | 5000620352, 5000620351, 5000009468, 5000620002, 5000620648, 5000620647, 5000620711, 5000620646, 5200003220, 5200006879, 5200014464, 5200014465, 5200008344, 5200008342, 5200008339, 5200008341, 5200008340, 5100025814, 5100025838 |
| Skid-mounted Mobile Generator | G50 | 5000009467, 5000620001, 5200001062, 5200001063, 5200006878, 5200001061, 5200014322, 5200014320, 5000620710, 5100045494, 5000620964, 5000620965, 5000620966, 5100042431, 5100045493, 5100042432, 5100025812, 5100029210, 5100026955, 5100026956 |
| Mobile Generator, Custom | G25 | 5000620346, 5000620345, 5000620642, 5000009466, 5000620004, 5000620709, 5000620641, 5200003991, 5000620931, 5200009372, 5200009371, 5200014461, 5200009375, 5200014462, 5100017591, 5100022834, 5100041581, 5100041582, 5100045541, 5100045542, 5100042510, 5100042512, 5100042509, 5100025836, 5100042508 |
| Mobile Generator | G85 | 5000009459, 5000620003 |
| Mobile Generator (custom) | G160 | 5000620069, 5000620070 |
| G100-GENERATOR, SKID, CUSTOM, DEERE T3 | G100 | 5000620651, 5000620650, 5200003158, 5200006900, 5000620313, 5000620314, 5200008346, 5200008347, 5100025816, 5100026958, 5100026959, 5100029211 |
| G120-GENERATOR, SKID, CUSTOM, DEERE T3 | G120 | 5000620654, 5000620653, 5200006901, 5200003159, 5200014467, 5200014468, 5000620311, 5000620310, 5200008350, 5200008351, 5100025818, 5100025840 |
| G150-GENERATOR, SKID, CUSTOM, DEERE T3 | G150 | 5000620657, 5200001321, 5200006902, 5000620656, 5200003160, 5000620307, 5000620308, 5200025554, 5100026981, 5100026982, 5100029212, 5100025830 |
| G180-GENERATOR, SKID, CUSTOM, DEERE T3 | G180 | 5000620660, 5200001322, 5200006903, 5000620659, 5200003161, 5000620304, 5000620305, 5200014470, 5200014471, 5200025555, 5100025832, 5100025842 |
| G240-GENERATOR, SKID, CUSTOM, DEERE T3 | G240 | 5000620663, 5200001323, 5200006904, 5000620662, 5200003162, 5000620301, 5000620302, 5200025556, 5100025834 |
| Mobile Generator (custom) | G125 | 5000620067, 5000620068 |
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.
