The Wacker Neuson Lock Nut M12 is a genuine OEM fastener designed for the LTN6, LTW6K, LTW8K, and LTW20Z series light towers. As a direct factory replacement, this part is manufactured to the same specifications as the original hardware installed at the time of production. It fits across a wide range of LTN and LTW light tower configurations including 50 Hz and 60 Hz variants, cold-weather builds, and custom-spec units. When hardware integrity matters on equipment that runs in demanding jobsite conditions, sourcing the correct OEM fastener keeps the assembly secure and service-ready.
Key Features
- OEM-Grade Locking Thread Retention — Manufactured to the original thread specification, ensuring the locking feature engages correctly and holds torque under vibration and thermal cycling common to light tower operation.
- Drop-In Hardware Replacement — M12 sizing and thread pitch match the original fastener exactly, allowing straight installation without chasing threads or sourcing supplemental hardware.
- Broad LTN and LTW Series Coverage — Verified fit across LTN6C, LTN6L, LTN6K, LTN8K, LTW6K, LTW8K, and LTW20Z1/Z3 light tower families, including standard, cold-weather, and custom configurations.
- Maintains Structural Joint Integrity — A worn or missing lock nut allows fastened joints to back off under engine vibration, leading to loose assemblies and potential structural movement in mast and frame components.
- Genuine Wacker Neuson Part — Sourced directly from the Wacker Neuson OEM supply chain, carrying the part number 5000179065 for straightforward verification against your machine's parts manual.
A lock nut is a threaded fastener engineered with an internal locking mechanism — typically a nylon insert or a deformed thread profile — that resists loosening caused by vibration, impact, or repeated thermal expansion and contraction. On light towers, where engine vibration and frequent deployment cycles put constant stress on bolted connections, standard nuts can gradually back off and compromise the integrity of mast, frame, and component mounting joints. Replacing a worn or missing lock nut with the correct OEM part restores the joint to its original clamping specification and prevents the progressive loosening that can lead to component damage or unsafe operating conditions.
Part Details
| Part Number | 5000179065 |
|---|---|
| Old Part Number | 0179065 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut M12 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| LTN6C, CATERPILLAR | LTN6C | 5000620118, 5000620551, 5000620728, 5000620555, 5200004091, 5200022157 |
| LTN6C-P LIGHT TOWER,60 HZ | LTN6C-P | 5000620298 |
| LTN6L, KOHLER (LOMBARDINI) | LTN6L | 5000620117, 5000620121, 5000620727, 5000620550, 5000620552, 5000620119, 5000620120, 5000620553, 5200004090, 5200004768, 5200012438, 5200022990, 5200017094, 5200017095, 5200022155, 5100027056 |
| LTN6L-P LIGHT TOWER,60 HZ | LTN6L-P | 5000620297 |
| LTW20Z-1, LIGHT TOWER 60Hz, ISUZU, CUSTOM, T4i | LTW20Z1 | 5000620842, 5000620375, 5200004205, 5200004096, 5100051571, 5200014324, 5200014326, 5200018239, 5200023191, 5200024872, 5200014328 |
| LTW6K Light Tower, Standard T4 | LTW6K | 5000620372, 5000620840, 5200004094, 5200024870 |
| LTW8K Light Tower, Standard T4 | LTW8K | 5000620374, 5000620841, 5200004204, 5200004095, 5200023190, 5200024871 |
| LTW20Z-3, LIGHT TOWER 60HZ, ISUZU TIER 4i | LTW20Z3 | 5000620376, 5000620843, 5200003583, 5200004097, 5200014325, 5200014327, 5200023192, 5200023604, 5200014329 |
| LTN6K Light Tower | LTN6K | 5000620734, 5200022156, 5200022147 |
| LTN8K, KUBOTA | LTN8K | 5000620893, 5000620939 |
| LTN6L 50 Hz Non CE. Custom | LTC6L | 5000620559 |
| LTN6K LIGHT TOWER, CUSTOM, Tier 4F | LTN6K-LT | 5000620938, 5200004092, 5200004769 |
| LTN6K-V S, KUBOTA, 120/240V | LTN6K-V S | 5200018537, 5200018550, 5200018553, 5200023197 |
| LTW20Z3-V S LIGHT TOWER, COLD WEATHER, T4i | LTW20Z3-V S | 5200018566, 5200018558, 5200018562, 5200023196, 5100015094, 5100022126 |
| LTN8K-V LIGHT TOWER,60HZ | LTN8K-V | 5200002727, 5200002728 |
| LTW20Z1-V S LIGHT TOWER, COLD WEATHER, T4i | LTW20Z1-V S | 5200018565, 5200018557, 5200018561, 5200024875, 5200023195, 5100015093, 5100022125 |
| LTN6L-V LIGHT TOWER,50HZ | LTN6L-V | 5200002720, 5200002721, 5200002716, 5200002717, 5200002718, 5200002719, 5200017102, 5200019283 |
| LTN6K-V LIGHT TOWER,60HZ | LTN6K-V | 5200002722, 5200002726 |
| LTW6K-V S Light Tower, Cold Weather T4 | LTW6K-V S | 5200018563, 5200018555, 5200018559, 5200024873 |
| LTW8K-V S Light Tower, Cold Weather T4 | LTW8K-V S | 5200018564, 5200018556, 5200023194, 5200018560, 5200024874, 5100015095, 5100022084 |
| LTN8K LIGHT TOWER, COLD WEATHER, Tier 4F | LTN8K-LT | 5200004093 |
| Light Tower | LTW20Z3-V | 5200012881, 5200012885, 5200012867, 5200022694 |
| Light Tower | LTW6K-V | 5200012864, 5200012868, 5200012882 |
| Light Tower | LTW8K-V | 5200012869, 5200012883, 5200012865 |
| Light Tower | LTW20Z1-V | 5200012880, 5200012884, 5200012866 |
| LTN6L-V S, KOHLER (LOMBARDINI) | LTN6L-V S | 5200018536, 5200018539, 5200018573, 5200018552, 5200023687, 5200023688, 5200023689, 5200018576 |
| LTN8K-V S, KUBOTA, 120/240V | LTN8K-V S | 5200018538, 5200018551, 5200018554, 5200023198 |
| Light Tower | LTV6K | 5100039424 |
| Light cpl. | Light cpl. | 5100039531 |
| Light Tower | LTV8K | 5100039425 |
| Light Tower | LTV6L | 5100039607 |
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.
