The Wacker Neuson Relief Valve is a genuine OEM component designed for the RT and RTx / RTL / RTK series remote-controlled vibratory trench rollers, including the RT56-SC, RT56-SC2, RT82-SC, RT82-SC2, RTx-SC2, RTL82-SC3, RTLx-SC3, RTK82-SC3, and RTKx-SC3 models. Sourced directly from Wacker Neuson, this part meets the exact pressure ratings and dimensional tolerances specified for the hydraulic system in these machines. It is a direct-fit replacement that installs in the same position and orientation as the original, with no improvised adaptation needed. Whether you are servicing a single-generation SC unit or a current-generation SC3 machine, part number is the correct OEM relief valve for the application.
Key Features
- OEM-Calibrated Pressure Rating — Manufactured to the exact hydraulic pressure relief specification required by the RT / RTx / RTL / RTK trench roller hydraulic circuit, ensuring the system operates within its designed pressure envelope.
- Drop-In Hydraulic Fitment — Matches the original port thread size, body dimensions, and seating geometry for a straightforward installation into the existing hydraulic manifold or circuit.
- Broad Series Compatibility — Confirmed for RT56-SC / SC2, RT82-SC / SC2, RTx-SC2, RTL82-SC3, RTLx-SC3, RTK82-SC3, and RTKx-SC3 vibratory trench rollers across multiple machine configurations.
- Protects the Hydraulic System — A properly functioning relief valve prevents pressure spikes from damaging pumps, motors, and cylinders; a failed or out-of-spec valve can result in sluggish drum drive response or catastrophic component failure.
- Safety-Critical Hydraulic Component — As a pressure-limiting device within the drive and vibration circuit, correct relief pressure is essential for safe, controlled machine operation in trench and cohesive-soil compaction environments.
A hydraulic relief valve acts as a pressure safety valve within the machine's hydraulic circuit. When system pressure exceeds the designed threshold — during a sudden load change, a stall, or a direction reversal — the relief valve opens to divert excess fluid back to the hydraulic tank, protecting pumps, motors, and hoses from overpressure damage. On remote-controlled trench rollers like the RT and RTL series, the hydraulic system powers both the drum drive and the vibration mechanism, so a worn or stuck relief valve can cause erratic drum speed, loss of compaction force, or uncontrolled pressure buildup that shortens the life of expensive downstream components.
Part Details
| Part Number | 5000159546 |
|---|---|
| Old Part Number | 0159546 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Relief Valve |
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 |
| RTx-SC2 TRENCH ROLLER | RTx-SC2 | 5200008538, 5200008539, 5200018044, 5200018329 |
| Trench Roller | RTx-SC2 EU | 5200008540 |
| RTL82-SC3, White/Blue | RTL82-SC3 | 5200022541, 5200019235, 5200019236, 5200019237, 5200019238, 5200019239, 5200019232, 5200019233, 5200019234 |
| Trench Roller | RTLx-SC3 | 5200019252, 5200019253, 5200019254, 5200019250, 5200019251 |
| RTK82-SC3 | RTK82-SC3 | 5200019255, 5200019256, 5200019257 |
| RTKx-SC3 TRENCH ROLLER,GRN | RTKx-SC3 | 5200019258, 5200019259 |
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.