The Wacker Neuson Plug 9/16-18UNF is a genuine OEM component designed for the RT, RTL, RTK, RTx, RD, and RS series vibratory rollers. As a direct OEM replacement, this plug is manufactured to Wacker Neuson's exacting specifications, ensuring a proper seal and dependable service life in demanding compaction applications. Confirmed fitment spans a wide range of remote-controlled trench rollers and tandem rollers including RT56-SC, RT82-SC, RT82-SC2, RTLx-SC3, RTKx-SC3, RTx-SC2, RD11A, RD880V, RS800A, and RSS800A models. When you need a verified, drop-in replacement, part number is the correct choice.
Key Features
- Genuine OEM Thread Integrity — Manufactured to the exact 9/16-18 UNF thread specification, ensuring a secure, leak-free seat in the original port without risk of cross-threading or improper seating.
- Direct-Fit Installation — Threads directly into the existing port on compatible Wacker Neuson rollers with no modification to the machine or surrounding hardware.
- Broad Roller Family Coverage — Verified for RT56-SC, RT82-SC, RT82-SC2, RTLx-SC3, RTKx-SC3, RTx-SC2, RD11 series, RD880V, RS800A, RSS800A, and RS800H models, among others.
- Fluid System Protection — A correctly seated plug prevents hydraulic or fluid loss at the port, maintaining system pressure and protecting downstream components from contamination or cavitation damage.
- Pressure-Rated Sealing — The UNF fine-thread profile provides superior clamping force and vibration resistance compared to coarse-thread alternatives, critical on high-cycle vibratory equipment.
A threaded plug serves as a sealed closure for an unused or service port within the machine's hydraulic or fluid circuit. On vibratory rollers, these ports are subjected to continuous vibration and hydraulic pressure cycling, making thread quality and dimensional accuracy essential to maintaining a leak-free system. A worn, damaged, or incorrect plug can cause fluid loss, pressure drop, or contamination ingress — leading to hydraulic system degradation and unplanned service intervals.
Part Details
| Part Number | 5000078269 |
|---|---|
| Old Part Number | 0078269 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug 9/16-18UNF |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Trench Roller | RT82-SC2 | 5000620530, 5000620293, 5000620367, 5000620525, 5000620528, 5000620529, 5000620526, 5000620527 |
| Vibratory Trench Roller | RT82-SC2 EU | 5000620845, 5200003107 |
| Vibratory Trench Roller | RT56-SC2 | 5000620294, 5000620368 |
| Vibratory Trench Roller | RT56-SC2 EU | 5000620844 |
| Single Drum Vibratory Roller | RS800A | 5000006581, 5000630011 |
| Single Drum Vibratory Roller | RSS800A | 5000006582, 5000630012 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
| Vibratory Trench Roller | RT82-SC | 5000009025, 5000620365, 5000620324, 5000620353, 5000620480, 5000620481, 5000620482 |
| Vibratory Trench Roller | RT56-SC | 5000009026, 5000620366 |
| RTLx-SC3 TRENCH ROLLER,GRN | RTLx-SC3 | 5200019251, 5200019250, 5200019254, 5200019252, 5100018515, 5100018516, 5200019253, 5100038346, 5100045091, 5100052332, 5100052269 |
| RTL82-SC3 ROLLER,SMOOTH DRUM | RTL82-SC3 | 5200019234, 5200019238, 5200019232, 5200019233, 5200019235, 5200019236, 5200019237, 5200019239, 5200022541 |
| RTKx-SC3 Trench Roller | RTK82-SC3 | 5200019257, 5200019256, 5200019255 |
| RTKx-SC3 TRENCH ROLLER,GRN | RTKx-SC3 | 5200019258, 5200019259, 5100018517, 5100018518, 5100034371, 5100037397, 5100039613, 5100052333, 5100052334, 5100052335, 5100052336, 5100052337 |
| Vibratory Trench Roller | RT560 | 5000009001, 5000009000, 5000007643, 5000007642 |
| Vibratory Trench Roller | RT820 | 5000009003, 5000009002, 5000007644, 5000007652 |
| Trench Roller | RTx-SC2 EU | 5100028378, 5200008540, 5100052330 |
| RTx-SC2 TRENCH ROLLER | RTx-SC2 | 5200008538, 5200008539, 5200018044, 5200018329 |
| Single Drum Vibratory Roller | RS800H | 5000006583 |
| Single Drum Vibratory Roller ( without engine) | RS800 | 5000006585 |
| Vibratory Trench Roller | RT820HT | 5000007645, 5000008047 |
| Single Drum Vibratory Roller | RS800V | 5000007187 |
| Double Drum Vibratory Roller | RD880V | 5000006736 |
| Trench Roller | HTC15 | 5100065571 |
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.