The Wacker Neuson Lug Nut is a genuine OEM component designed for the G-Series portable generator lineup — including G25, G50, G70, G85, G120, G125, G150, G160, G180, G230, and G240 models — as well as select HI-Series indirect-fired air heaters and MGT mobile generator trailers. Sourced directly from Wacker Neuson, this lug nut carries the exact thread specification and hardness rating required for secure wheel and mounting fastening across this broad equipment family. It covers skid-mounted, cold-weather, custom, and extended-run generator configurations, making it the go-to fastener replacement for fleet operators and service technicians working across multiple Wacker Neuson platforms. Verify your machine number against the fitment list to confirm compatibility before ordering.
Key Features
- Genuine OEM Fastener Integrity — Manufactured to Wacker Neuson's exact thread pitch, hardness grade, and dimensional tolerances, ensuring consistent clamping force without risk of cross-threading or under-torque failure.
- Direct Drop-In Replacement — Matches the original seating geometry and thread engagement depth, so installation requires only a standard torque wrench — no thread chasing or modification to the mounting surface.
- Broad G-Series and HI-Series Coverage — A single part number spans G25 through G240 generator models, select HI750 and HI900 indirect-fired air heaters, and MGT trailer assemblies, simplifying parts inventory for multi-unit fleets.
- Secure Wheel and Mounting Retention — A correctly torqued lug nut maintains proper clamp load on trailer and skid wheel hubs; a worn, stripped, or missing lug nut risks wheel separation during transport, creating serious tow hazards.
- Transport Safety Critical — On towable generator trailers (MGT1, MGT2, MGT3, MGT4 series), lug nut condition directly affects road safety; using the correct OEM-spec fastener is essential for meeting trailer towing compliance requirements.
A lug nut is the threaded fastener that secures a wheel to its hub studs, bearing the clamping load that keeps the wheel firmly seated during transport and operation. On mobile generator trailers and towable equipment, lug nuts are subject to road vibration, repeated torque cycles, and environmental corrosion — all of which can cause loosening, thread wear, or nut seizure over time. A lug nut that is stripped, cracked, or missing disrupts even clamping force across the wheel, which can lead to wheel wobble, stud damage, or wheel detachment — making timely replacement critical for safe equipment movement on public roads and job sites.
Part Details
| Part Number | 5000151981 |
|---|---|
| Old Part Number | 0151981 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lug Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Skid-mounted Mobile Generator, Custom | G70 | 5000620352, 5000620350, 5000620351, 5000009367, 5000009468, 5000620002, 5000620647, 5000620711, 5000620646, 5200001318, 5200003220, 5200006879, 5200003975, 5200003973, 5200003974, 5200014464, 5000009260, 5200004151, 5200014463, 5200014465, 5200008344, 5200008342, 5200008343, 5200008339, 5200008719, 5200008340, 5000009464, 5100025262, 5000009478, 5100025838 |
| Skid-mounted Mobile Generator | G50 | 5000009467, 5000009366, 5000620001, 5200001062, 5200001063, 5200006878, 5200001317, 5200001060, 5200001061, 5200014322, 5000009259, 5200014319, 5200014320, 5200014323, 5200017829, 5200022589, 5100042434, 5200017830, 5100042430, 5100042435, 5000620710, 5100045494, 5000620964, 5000620965, 5000620966, 5100042431, 5100042433, 5100045085, 5100045493, 5100042432, 5000009463, 5000009477, 5100025812, 5100026954, 5100029210, 5100026955, 5100026956 |
| Mobile Generator, Custom | G25 | 5000620346, 5000620344, 5000620345, 5000620642, 5000009466, 5000620004, 5000620640, 5000620709, 5000620641, 5000009368, 5200005557, 5200003991, 5000620931, 5200001316, 5200014461, 5000009258, 5200014460, 5200014462, 5000621005, 5000620706, 5100022834, 5000009462, 5000009476, 5100042507, 5100042510, 5100042512, 5100042509, 5100025836, 5100042508 |
| Mobile Generator | G85 | 5000009459, 5000620003, 5000009369, 5000009310, 5000009305, 5000009465 |
| Mobile Generator (Cold Weather ) | G120 | 5000620291, 5000620290, 5000620292 |
| Skid-mounted Mobile Generator | G160 | 5000009306, 5000620069, 5000620070 |
| 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 |
| G230 Generator, Custom T4i | G230 | 5000620883, 5000620881, 5000620882, 5200007862, 5200010141, 5200010142, 5200010143, 5100015614, 5100045190, 5100045596, 5100045597, 5100049846, 5100049847 |
| Mobile Generator (custom) | G125 | 5000620067, 5000620068, 5000009261 |
| HI750 DGM HEATER-INDIRECT | HI750GM | 5000620859, 5000620930 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| G150 Generator,Hertz,T4 Final | G150 Generator,Hertz,T4 Final | 5100015616 |
| HI750G HEATER-INDIRECT | HI750G | 5000620857 |
| Factory-Installed Options | Factory-Installed Options | 5200004152 |
| MGT1E Trailer, Electric, 3500LB Axle, 2" Ball Hitch | MGT1E | 5000009300, 5000620333 |
| MGT1 Mobile Generator Trailer, No Brake, 3500LB Axle, 2" Ball Hitch | MGT1 | 5000009298, 5000620332 |
| MGT2E Mobile Generator Trailer, Electric, 6000LB Axle | MGT2E | 5000009302 |
| MGT2ED Trailer, Electric, Dual Axle, 3500LB Each | MGT2ED | 5000009304, 5000620749 |
| MGT1S Mobile Generator Trailer, Surge, Pintle Hitch | MGT1S | 5000009299, 5200006715 |
| MGT2S Mobile Generator Trailer, Surge, 6000LB Axle | MGT2S | 5000009301 |
| G14 Generator, Standard T4 | G14 | 5000620689 |
| Mobile Indirect Fired Air Heat er, Diesel w/Genset | CUB700GM | 5000620759 |
| Mobile Generator Dual Axle Tra iler, Electric Brake | MGT3E | 5000008241 |
| MGT2SD Trailer, Surge, Dual Axle, 3500LB Each | MGT2SD | 5000009303, 5000620748, 5000620932, 5200001325 |
| Mobile Indirect Fired Air Heat er, Diesel | CUB700M | 5000620758 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 5200014166 |
| Mobile Generator Dual Axle Tra iler, Surge Brakes | MGT3S | 5000008240 |
| MGT4S Trailer, Surge, Dual Axle, 6000LB Each | MGT4S | 5000620315, 5200001327 |
| MGT4E Trailer, Electric, Dual Axle, 6000LB Each | MGT4E | 5000620316 |
| Mobile Air Heater Trailer, sin gle axle | Trailer-CUB700M | 5000620682 |
| Mobile Air Heater Trailer, dou ble axle | Trailer-CUB700GM | 5000620683 |
| MGT1S Trailer, Surge, Pintle Hitch | MGT 1S | 5200001324 |
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.