The Wacker Neuson Hex Jam Nut 1/2-20 is a genuine OEM fastener designed for WB16A series Power Buggies and CRT series ride-on concrete trowels. Sourced directly from Wacker Neuson, this nut matches the original hardware specifications used on the production line, ensuring a correct and secure installation. Part covers an extensive range of WB16A Power Buggy variants as well as CRT46KHN, CRT46KHO, CRT36ASO, CRT36ASN, and CRT46ASO ride-on trowels, making it a high-utility hardware item for fleets running multiple Wacker Neuson machines.
Key Features
- OEM Thread Accuracy — Manufactured to the exact 1/2-20 fine-thread specification used on Wacker Neuson assemblies, so the nut seats and torques correctly without risk of cross-threading or fastener mismatch.
- Direct Hardware Replacement — Drops into the same fastener position as the original, maintaining correct clamping load and hardware stack-up across all covered models.
- Broad Wacker Neuson Fitment — Confirmed fit across WB16A Power Buggy variants and CRT36/CRT46 ride-on trowel series, including electric, gasoline, and combination-drive configurations.
- Jam Nut Locking Function — The low-profile hex jam nut design provides a secondary locking layer against loosening under vibration — critical on concrete trowels and Power Buggies that operate under continuous cyclic load.
- Genuine Wacker Neuson OEM Part — Backed by Wacker Neuson's OEM supply chain, so you receive the same hardware grade used in original assembly, not a generic hardware-store substitute.
A hex jam nut is a thin, low-profile nut threaded onto a bolt or stud alongside a standard nut to create a locking pair — the two nuts are torqued against each other, preventing either from backing off under vibration or dynamic load. On machines like concrete ride-on trowels and Power Buggies, where mechanical vibration is constant during operation, a missing or damaged jam nut can allow critical fastener assemblies to loosen gradually, leading to play in components, accelerated wear, or hardware failure. Replacing a worn or lost jam nut with the correct OEM part ensures the fastener stack maintains its designed clamping force throughout the service interval.
Part Details
| Part Number | 5000025627 |
|---|---|
| Old Part Number | 0025627 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hex Jam Nut 1/2-20 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Power Buggy | WB16A | 5000008021 |
| Power Buggy | WB16AF | 5000008288 |
| CRT46KHN | CRT46KHN | 5000007515 |
| CRT46KHO | CRT46KHO | 5000007641 |
| Power Buggy | WB16AS | 5000009043 |
| 915mm/36in Ride-On Trowel, ove rlapping | CRT36ASO | 5000007512 |
| 915mm/36in Ride-On Trowel, non #NAME? | CRT36ASN | 5000007513 |
| CRT46ASO | CRT46ASO | 5000007514 |
| Power Buggy | WB16AFS | 5000009048 |
| Power Buggy | WB16AD | 5000008022 |
| Power Buggy | WB16ADF | 5000008289 |
| Power Buggy | WB16AE | 5000009042 |
| Power Buggy | WB16ADE | 5000009044 |
| Power Buggy | WB16ADS | 5000009045 |
| Power Buggy | WB16AEF | 5000009046 |
| Power Buggy | WB16AES | 5000009047 |
| Power Buggy | WB16ADEF | 5000009049 |
| Power Buggy | WB16ADES | 5000009050 |
| Power Buggy | WB16ADFS | 5000009051 |
| Power Buggy | WB16AEFS | 5000009052 |
| Power Buggy | WB16ADEFS | 5000009053 |
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.
