The Wacker Neuson Thermostat is a genuine OEM thermostat designed for the RC50, RC50P, RC70, RC70P, and RC70VO single-drum soil compactors. As a factory-sourced component, it meets the original design specifications that Wacker Neuson engineers built into the RC series cooling system. This thermostat fits both standard and padfoot drum variants across the RC50 and RC70 families, including US-market configurations, making it the correct choice when your machine shows cooling irregularities or is due for scheduled maintenance.
Key Features
- OEM-Spec Coolant Flow Regulation — Sourced directly from Wacker Neuson, this thermostat opens and closes at the precise temperature calibration required for the RC series engine cooling circuit — not a generic approximation.
- Direct-Fit Replacement — Engineered to drop into the existing thermostat housing on RC50 and RC70 series machines with the same port sizing and sealing interface as the original component.
- Broad RC Series Coverage — Confirmed fitment across the RC50, RC50P, RC70, RC70P, and RC70VO single-drum soil compactors, including US-market variants, under multiple machine serial ranges.
- Protects Engine from Thermal Stress — A correctly functioning thermostat keeps the engine operating within its designed temperature window; a failed or stuck thermostat can cause chronic overheating or under-temperature running, accelerating wear on internal engine components.
- Cooling System Integrity — Using the correct OEM thermostat helps maintain proper coolant circulation timing, which is especially critical during sustained heavy-load compaction passes where engine heat build-up is highest.
The thermostat is a temperature-sensitive valve in the engine's cooling circuit. When the engine is cold, it stays closed to allow the coolant to warm up quickly and reach efficient operating temperature. Once that threshold is reached, the thermostat opens to route coolant through the radiator and shed excess heat. On large-area soil compactors like the RC50 and RC70 series — machines that run for extended periods under heavy load — a failed thermostat can allow the engine to overheat without warning, or conversely, run too cool and build up fuel contamination in the oil. Replacing a worn or stuck thermostat restores proper thermal management and protects the engine investment in your compactor.
Part Details
| Part Number | 5100023988 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Thermostat |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Single drum soil compactor RC50 | RC50 | 5100021295, 5100047388 |
| Single drum soil compactor RC50P | RC50P | 5100021296 |
| Single drum soil compactor RC70 | RC70 | 5100021297, 5100047410 |
| Single drum soil compactor RC70P | RC70P | 5100021298 |
| Single drum soil compactor RC70VO | RC70VO | 5100021299 |
| RC50 Single Drum Soil Compactor | RC50 US | 5100027575, 5100047413 |
| RC50p Single Drum Soil Compactor | RC50p US | 5100027576, 5100047414 |
| RC70 Single Drum Soil Compactor | RC70 US | 5100027577, 5100047415 |
| Vibration Roller | RC70 VO US | 5100027578 |
| RC70p Single Drum Soil Compactor | RC70p US | 5100027579, 5100047416 |
| RC50p | RC50p | 5100047389 |
| RC70p | RC70p | 5100047411 |
| RC70vo | RC70vo | 5100047412 |
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.
