The Wacker Neuson Radiator Cap Seal is a genuine OEM component designed for the RT56-SC, RT82-SC, RTLx-SC3, RTKx-SC3, and RTx-SC2 series remote-controlled vibratory trench rollers. As a direct OEM replacement, this seal is produced to the same specifications as the original part, ensuring a correct, leak-free fit on the radiator cap assembly. It is compatible across a wide range of SC2 and SC3 generation trench roller configurations, including smooth drum, padfoot, and Compatec-equipped variants. Always cross-reference your machine's model and serial number before ordering to confirm fitment.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's original material and compression specifications, ensuring the radiator cap seats and seals correctly against coolant system pressure.
- Drop-In Radiator Cap Fitment — Designed to seat directly on the radiator cap assembly without modification, maintaining the correct pressure rating for the cooling system.
- Broad RT-Series Compatibility — Fits RT56-SC, RT82-SC, RTLx-SC3, RTKx-SC3, and RTx-SC2 trench rollers across SC2 and SC3 generations, including EU-spec and Compatec configurations.
- Coolant System Protection — A correctly functioning radiator cap seal maintains the closed-loop pressure in the cooling system; a worn or cracked seal allows coolant loss and can lead to engine overheating in demanding trench compaction conditions.
- Fuel and Fluid Safety Compliance — Maintaining an intact radiator seal is critical to preventing uncontrolled coolant release, which poses burn risk to operators and can cause sudden machine shutdown mid-operation.
The radiator cap seal forms the pressure-retaining barrier between the radiator cap and the filler neck of the cooling system. It allows the system to build and hold the calibrated pressure needed to raise the coolant's boiling point, keeping the engine operating safely at high loads. When this seal degrades, cracks, or loses its compression, the cap can no longer hold pressure — coolant escapes, the engine overheats, and the machine may shut down unexpectedly. Replacing a worn seal promptly is one of the lowest-cost preventive steps in cooling system maintenance.
Part Details
| Part Number | 5000150228 |
|---|---|
| Old Part Number | 0150228 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Radiator Cap Seal |
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 |
| 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.