The Wacker Neuson Relief Valve is a genuine OEM component designed for the RT56-SC, RT56-SC2, RT82-SC, and RT82-SC2 series remote-controlled vibratory trench rollers. As a direct OEM replacement, this part is manufactured to the same specifications as the original, ensuring correct pressure regulation within the hydraulic system. Fitment spans both the SC and SC2 generations of the RT56 and RT82 trench roller families, including EU-spec variants. Keep part number on hand to avoid unplanned hydraulic service delays on active trench compaction work.
Key Features
- OEM-Specified Pressure Rating — Manufactured to the exact hydraulic pressure threshold required by the RT-series trench roller hydraulic circuit, so the system opens and relieves at precisely the correct point.
- Drop-In Hydraulic Fit — Engineered to the original port size, thread specification, and body dimensions, allowing direct installation without rework or adapters.
- Broad RT-Series Coverage — Confirmed for RT56-SC, RT56-SC2, RT82-SC, and RT82-SC2 vibratory trench rollers, including standard and EU-spec configurations across multiple machine numbers.
- Hydraulic System Protection — A properly functioning relief valve prevents pressure spikes that can damage pumps, motors, and hoses; a failed or stuck valve puts the entire hydraulic circuit at risk.
- Pressure-System Safety — In a remote-controlled trench roller, correct hydraulic pressure management is critical to safe drive and vibration operation; using a correctly rated OEM valve maintains system integrity.
A relief valve is the hydraulic system's primary pressure safety device. It monitors circuit pressure continuously and opens to divert flow back to the reservoir any time pressure exceeds the designed limit, protecting pumps, motors, cylinders, and hoses from overload. On a vibratory trench roller like the RT56-SC and RT82-SC series, where the hydraulic circuit simultaneously drives propulsion and powers the vibration drums, stable pressure management is essential for consistent compaction output. When a relief valve wears, sticks open, or fails to open at the correct pressure, the machine may exhibit sluggish travel, reduced drum vibration, overheating hydraulic fluid, or — in the case of a valve that won't open — sudden component failure under pressure spike conditions.
Part Details
| Part Number | 5000158532 |
|---|---|
| Old Part Number | 0158532 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Relief Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Trench Roller | RT56-SC2 | 5000620294, 5000620368 |
| Vibratory Trench Roller | RT82-SC2 | 5000620528, 5000620293, 5000620367, 5000620525, 5000620526, 5000620529, 5000620530, 5000620527 |
| Vibratory Trench Roller | RT56-SC2 EU | 5000620844 |
| Vibratory Trench Roller | RT82-SC2 EU | 5000620845 |
| Vibratory Trench Roller | RT82-SC | 5000009025, 5000620365, 5000620324, 5000620353, 5000620480, 5000620481, 5000620482 |
| Vibratory Trench Roller | RT56-SC | 5000009026, 5000620366 |
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.
