The Wacker Neuson 5100034599 Lock Nut is a genuine OEM fastener designed for the G50, G70, G100, G120, G130, and G150 series portable generators. As a direct Wacker Neuson OEM part, the 5100034599 is manufactured to the same specifications as the original hardware installed at the factory, ensuring proper thread engagement and holding force. This lock nut is confirmed to fit across a wide range of G-series generator configurations, including Tier 3, Tier 4, Tier 4 Final, and switchable 600-volt custom skid models.
Key Features
- Genuine OEM Thread Integrity — Manufactured to exact thread pitch and hardness spec for this fastener position, so the nut seats and locks as intended without under- or over-torquing.
- Drop-In Hardware Replacement — Matches the original fastener profile for direct installation without chasing threads or sourcing additional hardware.
- Broad G-Series Compatibility — Verified fitment across G50, G70, G100, G120, G130, and G150 generator models, spanning Tier 3, Tier 4, Tier 4 Final, and custom skid configurations.
- Secure Fastening Under Vibration — Lock nut design resists loosening during generator operation, maintaining structural and mechanical integrity in high-vibration environments.
- Correct Part for Long-Term Retention — Using the correct OEM lock nut prevents fastener back-out, which can lead to component misalignment or damage to surrounding assemblies over time.
A lock nut is a fastener engineered to resist self-loosening under vibration, shock, and thermal cycling — conditions that are constant during generator operation. Unlike a standard hex nut, a lock nut incorporates a locking feature that maintains clamping force even as the machine runs. When a lock nut fails, strips, or is replaced with an incorrect fastener, the secured component can shift or detach, potentially causing mechanical damage or unsafe operating conditions. Using the correct OEM part ensures the fastener performs exactly as designed for the specific joint it secures.
Part Details
| Part Number | 5100034599 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G70-GENERATOR, SKID, CUSTOM, DEERE T3 | G70 | 5000620648, 5200014464, 5200023228, 5100042499, 5100025814, 5100025838, 5100042498 |
| G100-GENERATOR, SKID, CUSTOM, DEERE T3 | G100 | 5000620651, 5100045555, 5100045499, 5100033312, 5100029211, 5100025816, 5100026958 |
| G120-GENERATOR, SKID, CUSTOM, DEERE T3 | G120 | 5000620654, 5200014467, 5100025840, 5100025818 |
| G50-GENERATOR, SKID BASE, CUSTOM T4i | G50 | 5200001062, 5100025812, 5100029210, 5100026955 |
| G130 Generator, Custom T4 | G130 | 5200023234, 5100045560, 5100045566 |
| G150 Generator, Custom T4i | G150 | 5200023237 |
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.