The Wacker Neuson Relief Valve is a genuine OEM component designed for the RTLx-SC3, RTKx-SC3, RTL82-SC3, and RTK82-SC3 series trench rollers, including Compatec-equipped variants. As a direct OEM replacement, this part is sourced and manufactured to the same specifications as the original, ensuring proper hydraulic system integration without guesswork. It is compatible across an extensive range of SC3 and SC2 EU series machines, covering smooth drum and trench roller configurations in multiple color variants. Verify your model number against the fitment list before ordering to confirm this is the correct valve for your machine.
Key Features
- OEM-Rated Pressure Tolerance: — Manufactured to the precise cracking and relief pressure thresholds required for correct hydraulic circuit protection in SC3 series trench rollers.
- Direct Hydraulic Line Replacement: — Installs into the existing hydraulic circuit port without modification, matching original thread form and seat geometry for a secure, leak-free connection.
- Broad SC3 and SC2 EU Series Coverage: — Fits RTLx-SC3, RTKx-SC3, RTL82-SC3, and RTK82-SC3 trench rollers, including standard and Compatec-equipped builds across multiple serial number ranges.
- Hydraulic System Integrity: — A properly functioning relief valve prevents hydraulic overpressure from damaging pumps, motors, and lines; a failed valve can cause erratic roller drive behavior or system damage under load.
- Overpressure Safety Compliance: — This valve is a critical hydraulic safety component; using a correctly rated OEM relief valve ensures the system vents at the intended pressure threshold, protecting the operator and the machine.
- Genuine Wacker Neuson Part: — Supplied under part number 5100016778, this is an authentic Wacker Neuson component backed by the brand's OEM quality standards.
A relief valve is a hydraulic safety and control component that regulates pressure within a hydraulic circuit by opening to divert fluid flow when system pressure exceeds a set threshold, then closing again once pressure returns to a safe level. In trench rollers like the SC3 series, the hydraulic system drives the drum and steering functions, making the relief valve essential to consistent, controlled compaction performance. When a relief valve fails — whether it sticks open, sticks closed, or vents at the wrong pressure — the result can range from sluggish or unresponsive drive to uncontrolled pressure spikes that damage expensive hydraulic components downstream.
Part Details
| Part Number | 5100016778 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Relief Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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, 5100052330 |
| 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.
