The Wacker Neuson Temperature Switch is a genuine OEM component designed for the RD24-100, RD27-120, RD40-130, and RD45-140 series tandem rollers. As a direct factory-sourced part, the meets the exact specifications Wacker Neuson built into these machines, ensuring consistent thermal protection performance. This switch fits an extensive range of RD series variants including C, O, and US configurations across multiple production generations, making it the correct choice for operators maintaining a wide fleet of Wacker Neuson tandem rollers.
Key Features
- Genuine OEM Thermal Accuracy — Manufactured to Wacker Neuson's original switching threshold specifications, so the engine responds to temperature exactly as engineered — no guesswork on trip points.
- Drop-In Replacement — Matches the original mounting configuration and electrical connector of the factory-installed switch, allowing straightforward installation without adapter fittings.
- Broad RD Series Compatibility — Confirmed fitment across RD24-100, RD27-120, RD40-130, and RD45-140 tandem rollers, including standard, C, O, and US variants spanning multiple build series.
- Protects Engine and Drivetrain Investment — A correctly functioning temperature switch triggers shutdown or warning before heat damage occurs; a failed switch leaves the engine running unprotected into damaging temperature ranges.
- Critical Electrical Safety Function — As a protective switching component in the engine monitoring circuit, using a genuine OEM part ensures the correct operating response under real-world thermal load conditions.
A temperature switch monitors engine or hydraulic oil temperature and triggers a warning signal or automatic shutdown when a preset threshold is exceeded. On compaction equipment like Wacker Neuson tandem rollers, this protection is essential — sustained high-load operation can push temperatures beyond safe limits quickly, and the switch acts as the last line of defense against thermal damage to the engine or drive system. When the switch fails, either the machine shuts down prematurely due to a false reading, or it continues to run past safe temperature limits, risking serious and costly internal damage.
Part Details
| Part Number | 5100012808 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Temperature Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD24-100 Tandem Roller | RD24-100 | 5100011385, 5100047374 |
| RD27-120 Tandem Roller | RD27-120 | 5100011386 |
| RD24-100 C Tandem Rollers | RD24-100 C | 5100011387 |
| RD27-120 C Tandem Roller | RD27-120 C | 5100011388 |
| RD24-100 O Tandem Roller | RD24-100 O | 5100011389 |
| RD27-120 O Tandem Roller | RD27-120 O | 5100011390 |
| RD40-130 Tandem Roller | RD40-130 | 5100011391 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392 |
| RD40-130 C Tandem Roller | RD40-130 C | 5100011393 |
| RD45-140 C Tandem Roller | RD45-140 C | 5100011394 |
| RD40-130 O | RD40-130 O | 5100011395 |
| RD45-140 O Tandem Roller | RD45-140 O | 5100011396 |
| RD24-100 Tandem Roller | RD24-100 US | 5100021755 |
| RD28-120 Tandem Roller | RD28-120 US | 5100021756 |
| RD24-100 C Tandem Roller | RD24-100C US | 5100021757 |
| RD28-120 C Tandem Roller | RD28-120C US | 5100021758 |
| RD24-100 O Tandem Roller | RD24-100O US | 5100021759 |
| RD28-120 O Tandem Roller | RD28-120O US | 5100021800 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| RD24-100c.3 | RD24-100c.3 | 5100047370 |
| RD27-120c | RD27-120c.3 | 5100047371 |
| RD24-100o.3 | RD24-100o.3 | 5100047372 |
| RD27-120o | RD27-120o.3 | 5100047373 |
| RD28-120 | RD28-120 | 5100047375 |
| RD24-100c | RD24-100c | 5100047376 |
| RD28-120c | RD28-120c | 5100047377 |
| RD24-100o | RD24-100o | 5100047378 |
| RD28-120o | RD28-120o | 5100047379 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
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.
