The Wacker Neuson is a genuine OEM Hex Nut 1/2-13 designed for use across a broad range of Wacker Neuson equipment, including HI-series indirect-fired air heaters, G-series mobile generators, and PDT/PDI-series diaphragm trash pumps. This standard 1/2-13 hex nut is a direct factory replacement, ensuring correct thread engagement and holding torque wherever it is specified in the assembly. Sourced directly from Wacker Neuson, this part carries the same quality and dimensional accuracy as the hardware installed at the factory. Cross-reference part number against your machine's parts diagram to confirm the correct installation point before ordering.
Key Features
- Genuine OEM Thread Integrity — Manufactured to the exact 1/2-13 UNC thread specification, delivering full thread engagement and torque retention in every application.
- Direct Hardware Replacement — Drops into any fastening point that calls for a 1/2-13 hex nut on your Wacker Neuson equipment, matching the original hardware without reworking the joint.
- Wide Fitment Coverage — Confirmed fit across HI260, HI750, and HI900 indirect air heaters, G150 through G320 mobile generators, and PDT2/PDT3/PDI2/PDI3 diaphragm trash pumps.
- Consistent Clamping Load — Correct grade and dimensional specification means joints stay properly torqued, preventing loosening from vibration on pump, heater, and generator applications.
- Fastener-Critical Safety — On fuel system, air heater, and generator assemblies, using a correctly specified fastener is essential to maintaining secure connections and preventing service hazards.
A hex nut is a threaded fastener used to clamp two or more components together when paired with a bolt or stud of the matching thread size. The 1/2-13 designation refers to a half-inch nominal diameter with 13 threads per inch, a common heavy-duty fastener standard used throughout construction equipment assemblies. When a hex nut stretches, strips, or is replaced with an incorrect grade or thread pitch, the clamped joint can work loose under vibration, leading to misaligned components, fluid or air leaks, and potential equipment damage. Using the correct OEM-specified nut ensures the joint holds its design clamping load throughout the service life of the machine.
Part Details
| Part Number | 5000025619 |
|---|---|
| Old Part Number | 0025619 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hex Nut 1/2-13 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI260 HEATER,OIL WITH TANK | HI260 | 5200018503, 5200018504 |
| 50mm/2in Diaphragm Trash Pump | PDT2A | 5000007610, 5000007611 |
| 75mm/3in Diaphragm Trash Pump | PDT3A | 5000007614, 5000007615, 5000007616 |
| 50mm/2in Inline Diaphragm Tras h Pump | PDI2A | 5000007624, 5000007625 |
| 75mm/3in Inline Diaphragm Tras h Pump | PDI3A | 5000007628, 5000007629, 5000009407 |
| 50mm/2in Diaphragm Trash Pump | PDT2 | 5000009494, 5000007633 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000007619 |
| G180-GENERATOR, SKID, CUSTOM, DEERE T3 | G180 | 5000620660, 5200001322, 5200006903, 5000620658, 5000620659, 5200003161, 5000620886, 5000620884, 5200007861, 5000620885, 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, 5000620661, 5200003162, 5200025556, 5100025834 |
| Mobile Generator | G150 | 5200001321, 5200007860, 5200025554, 5100026980, 5100026981, 5100026982, 5100029212 |
| G230 Generator, Custom T4i | G230 | 5000620883, 5000620881, 5000620882, 5200007862, 5200010141, 5200010142, 5200010143, 5100015614, 5100045190, 5100045596, 5100045597, 5100049846, 5100049847 |
| G320 Generator, Standard T4i | G320 | 5000620275, 5200008718, 5200010219, 5200010260, 5200010144, 5200010145, 5200010146, 5100045191, 5100045601, 5100045602, 5200008717, 5100018533, 5100049848, 5100049849, 5200010261 |
| HI750 DGM HEATER-INDIRECT | HI750GM | 5000620859, 5000620930 |
| Mobile Indirect Fired Air Heat er, Diesel | HI750D | 5000620856, 5000620923, 5000620924 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HPG100A | HPG100A | 5000009507 |
| HP50A | HP50A | 5000009508 |
| HI750G HEATER-INDIRECT | HI750G | 5000620857, 5000620928, 5000620929 |
| Factory-Installed Options | Factory-Installed Options | 5200004152 |
| Vibratory Truss Screed, Power Section | HP100A | 5000009506 |
| HPG50A | HPG50A | 5000009509 |
| HE25 | HE25 | 5000130382 |
| HE100 | HE100 | 5000130384 |
| HE50 | HE50 | 5000130383 |
| CRT46KHN | CRT46KHN | 5000007515 |
| CRT46KHO | CRT46KHO | 5000007641 |
| 915mm/36in Ride-On Trowel, ove rlapping | CRT36ASO | 5000007512 |
| 915mm/36in Ride-On Trowel, non #NAME? | CRT36ASN | 5000007513 |
| CRT46ASO | CRT46ASO | 5000007514 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 5200014166 |
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
| 50mm/2in Diaphragm Trash Pump | PDT2B | 5000007612, 5000007613 |
| Vibratory Truss Screed, Power Section | HP100 | 5000008291 |
| Vibratory Truss Screed, Power Section | HP50 | 5000008292 |
| Vibratory Truss Screed, Power Section | HPG100 | 5000008293 |
| Vibratory Truss Screed, Power Section | HPG50 | 5000008294 |
| 75mm/3in Diaphragm Trash Pump | PDI3 | 5000009491, 5000009492 |
| HI 900D Heater-Indirect | HI900D | 5200014158, 5200014159, 5200014160 |
| Skid Indirect Air Heaters Natu ral Gas | HI900G | 5200014161 |
| HI 900G Heater-Indirect,3x16 | HI900 G | 5200014163, 5200014164 |
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.
