The Wacker Neuson Seat Switch RD16 is a genuine OEM component designed for RD16 and RD27 series ride-on tandem rollers, including the RD16-90, RD16-100, RD27-100, and RD27-120 models. As a direct OEM replacement, part is manufactured to the exact electrical and mechanical specifications of the original, ensuring correct integration with the machine's operator presence and safety interlock system. This seat switch fits across multiple RD16 and RD27 configurations, including Hydrostatic Vibratory Roller, Tandem Roller, and Pro T4F variants, making it a versatile replacement for a wide range of units in this product family.
Key Features
- OEM Electrical Specification: — Manufactured to the exact switching threshold and contact rating of the original, ensuring the seat presence circuit operates as intended.
- Direct Plug-In Replacement: — Matches the original connector, bracket, and mounting interface on RD16 and RD27 series rollers for a straightforward swap during scheduled service or breakdown repair.
- Broad RD-Series Compatibility: — Confirmed fitment across RD16-90, RD16-100, RD27-100, and RD27-120 machines, including Hydrostatic, Pro, Basic, and T4F-tier configurations.
- Operator Presence System Integrity: — A correctly functioning seat switch enables the roller's drive and compaction systems to engage only when an operator is seated, keeping the interlock logic working as designed.
- Critical Safety Circuit Component: — The seat switch is a core element of the operator presence control system; a failed or intermittent switch can cause unexpected machine shutdown or prevent the roller from operating, making prompt replacement essential.
The seat switch is a pressure-activated electrical switch mounted beneath the operator's seat. When the operator is seated, the switch closes a circuit that signals the machine's control system that an operator is present, allowing drive, vibration, and other working functions to engage. When the switch fails or wears out, the machine may shut down unexpectedly mid-operation, refuse to engage its working functions, or — in the case of a switch that fails in the closed position — allow machine movement without an operator present, which creates a serious safety concern. Regular inspection and timely replacement of the seat switch keeps the operator presence system functioning as it was engineered to.
Part Details
| Part Number | 5000164779 |
|---|---|
| Old Part Number | 0164779 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seat Switch RD16 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD16-90 Vibratory Roller | RD16-90 | 5000620060, 5000620127, 5000620799 |
| RD 16-100 | RD16-100 | 5000620402, 5000620798 |
| Hydrostatic Vibratory Roller | RD27-100 | 5200005878, 5200023554, 5200005876, 5200021387 |
| Hydrostatic Vibratory Roller | RD27-120 | 5200005879, 5200014922, 5200023555, 5200024441, 5200005877, 5200021389 |
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.
