The Wacker Neuson is a genuine OEM Fitting Valve 3/16 Dapco 12663 designed for the RT and RTL and RTK series remote-controlled vibratory trench rollers. Sourced directly from Wacker Neuson, this part meets the original design specification for the hydraulic or fluid circuit it serves on the machine. Confirmed fitment spans a wide range of SC2 and SC3 generation trench rollers, including the RT56-SC, RT82-SC, RT82-SC2, RTx-SC2, RTLx-SC3, RTL82-SC3, RTKx-SC3, and RTK82-SC3. Cross-reference your machine's serial number against the fitment list before ordering to ensure the is correct for your configuration.
Key Features
- Genuine OEM Construction: — Manufactured to the original Wacker Neuson specification, ensuring the correct thread form, body dimensions, and valve function for the hydraulic or fluid circuit on your trench roller.
- Direct-Fit Replacement: — Installs into the same port and connection point as the original fitting, with no reworking of lines or fittings required at the connection interface.
- Broad Trench Roller Compatibility: — Fits RT56-SC, RT82-SC, RT82-SC2, RTx-SC2, RTLx-SC3, RTL82-SC3, RTKx-SC3, and RTK82-SC3 models across both SC2 and SC3 generations, including Compatec-equipped variants.
- Leak-Free Fluid Circuit Integrity: — A correctly seated fitting valve maintains system pressure and prevents fluid loss that would otherwise degrade hydraulic response and drum drive performance on the trench roller.
- Hydraulic System Safety: — A failed or leaking fitting valve in a remote-controlled trench roller can result in loss of drum drive or steering control; replacing a compromised valve restores safe, predictable machine operation.
A fitting valve is a small but critical component within a machine's hydraulic or fluid circuit. It controls or directs flow at a specific junction point, and the 3/16 designation indicates the line or port size it is engineered to match. When a fitting valve fails — through thread damage, internal valve wear, or seal deterioration — the circuit it serves can lose pressure, leak fluid, or fail to actuate the downstream component entirely. On a remote-controlled vibratory trench roller like the RT or RTL series, where precise hydraulic control governs drum vibration, drive, and articulation, even a minor fitting failure can compromise compaction output or machine responsiveness. Replacing a worn or damaged fitting valve with the correct OEM part restores circuit integrity and keeps the machine performing to its rated specification.
Part Details
| Part Number | 5000157189 |
|---|---|
| Old Part Number | 0157189 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fitting Valve 3/16 Dapco 12663 |
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 |
| 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 |
| Trench Roller | RTx-SC2 EU | 5100028378, 5200008540, 5100052330 |
| RTx-SC2 TRENCH ROLLER | RTx-SC2 | 5200008538, 5200008539, 5200018044, 5200018329 |
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.
