The Wacker Neuson is a genuine OEM Seat Switch designed for a broad range of RD12 series tandem rollers and CRT series ride-on concrete trowels. Sourced directly from Wacker Neuson, this switch carries the same specifications as the original component installed at the factory. Confirmed fitment spans the RD12-90 and RD12A-90 tandem rollers, CRT36 and CRT48 ride-on trowel families, and select CB14B compaction equipment, making the one of the most widely applicable operator presence switches in the Wacker Neuson lineup. When your seat switch fails, replacing it promptly with the correct OEM part ensures the machine's safety interlock system functions exactly as designed.
Key Features
- OEM-Matched Switching Specification — Built to the exact electrical rating and actuation force of the original, ensuring the interlock circuit opens and closes at the correct threshold every time.
- Direct Plug-In Replacement — Matches the original connector type and mounting position, allowing straightforward installation without adapters or wiring modifications on compatible models.
- Broad Verified Fitment — Covers RD12-90 and RD12A-90 tandem rollers, CRT36-24A, CRT36-25, CRT36-26A, CRT48-31V, CRT48-33K, CRT48-34V, CRT48-37V, CRT48-57K, CRT60-66K, CRT60-74L, and CRT60-74LX ride-on trowels, plus CB14B compaction rollers.
- Operator Presence Interlock Integrity — A functioning seat switch is what allows the machine to start and run; a worn or faulty switch can cause intermittent shutdowns, failure to start, or — critically — allow operation without an operator seated, creating a serious safety hazard.
- Critical Safety Component — As a core element of the operator presence control system, correct function of this switch is essential for regulatory compliance and safe machine operation on any worksite.
The seat switch is an operator presence sensor mounted beneath or integrated into the operator seat. When the operator sits down, the switch closes and signals the machine's control system that it is safe to engage drive and working functions. If the operator leaves the seat, the switch opens and the machine shuts down or disengages, preventing unattended operation. A failed or stuck seat switch can result in a machine that refuses to start, shuts off unexpectedly mid-operation, or — if stuck in the closed position — bypasses the interlock entirely, removing a key layer of operator protection.
Part Details
| Part Number | 5000164603 |
|---|---|
| Old Part Number | 0164603 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seat Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
| CRT48-35L Trowel | CRT48-35L | 5000620113, 5000620806 |
| CRT48-35V | CRT48-35V | 5000620112 |
| CRT48-35V | CRT48-35V EU | 5000620807 |
| 915mm/36in Ride-on Trowel | CRT36-25 | 5000620115, 5000620295, 5000620803, 5000620804 |
| 1220mm/48in Ride-on Trowel | CRT48-34V | 5000620805, 5000620075, 5200004935 |
| 1220mm/48in Ride-on Trowel | CRT48-31V | 5000620476 |
| 915mm/36in Ride-On Trowel | CRT36-24A | 5000620080, 5000620299, 5000620801, 5000620802 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-31V-H | 5000009086 |
| 1220mm/48in Low Speed Ride-On Trowel | CRT48-25K-L | 5000009084 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-23K-H | 5000009083 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-24A-H | 5000009232 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-25K-H | 5000009085 |
| Ride-on Trowel | CRT48-31V-E | 5000009481 |
| Ride-on Trowel | CRT48-31V-ES-E | 5000009482 |
| Ride-on Trowel | CRT36-24A-E | 5000009483 |
| CRT36-26A Trowel w/Wheel Kit | CRT36-26A | 5000621000, 5000620999, 5000621001, 5000621002 |
| 1220mm/48in Ride-on Trowel, El ectronic Steering | CRT48-31V-ES | 5000009216 |
| CRT48-33K | CRT48-33K | 5200002353 |
| CRT48-33K Trowel, Dual-Fuel | CRT48-33K DF | 5200007686, 5200007687 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-25K-H | 5000620027 |
| CRT60-66K | CRT60-66K | 5000620921, 5000620922 |
| CRT48-33K | CRT48-33k | 5200002354 |
| CRTv 36-26A Trowel, w/Wheel Kit | CRTv36-26A | 5200008544, 5200008545, 5200008546 |
| CRT48-37V Trowel | CRT48-37V | 5100024209 |
| CRT48-57K Trowel | CRT48-57K-MS | 5100018892 |
| CRT60-74LX | CRT60-74LX | 5100038000 |
| CRT48-37V | CRT48-37V EU | 5100024290 |
| CRT60-74L | CRT60-74L | 5200012300 |
| Soil and Asphalt Compaction | CB14B-900 | 5200004074, 5200019030 |
| Soil and Asphalt Compaction | CB14B-1000 | 5200004688, 5200019031 |
| Electrical System/Controls | Electrical System/Controls | 5100045147 |
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.
