Wacker Neuson 5000161881 Horn Switch

The Wacker Neuson Horn Switch is a genuine OEM component designed for the RD27-100 and RD27-120 Hydrostatic Vibratory Rollers. As a direct factory replacement, this switch restores proper horn operation to your tandem roller, sourced and specified by Wacker Neuson to match the original part exactly. Confirmed fitment covers multiple machine configurations across the RD27-100 and RD27-120 series, making this the correct choice when replacing a failed or damaged horn switch on these rollers.

Key Features

• Genuine OEM Electrical Specification — Manufactured to Wacker Neuson's original circuit and contact ratings, ensuring the switch actuates and signals at the correct voltage and current for the RD27 series horn circuit.
• Drop-In Connector Compatibility — Matches the original mounting footprint and wiring connector of the RD27-100 and RD27-120, allowing a straightforward swap without splicing or adapter wiring.
• RD27 Series Coverage — Fits multiple build configurations of the RD27-100 and RD27-120 Hydrostatic Vibratory Rollers, covering a broad range of machines within this tandem roller family.
• Restored Operator Signaling — A functioning horn switch gives the operator reliable audible warning capability on the jobsite; a failed switch leaves the horn inoperable, creating a communication gap in busy or congested work areas.
• Worksite Safety Compliance — Horn function is an active safety feature on ride-on compaction equipment; restoring it with the correct OEM switch ensures the machine meets its original operational safety specification.

The horn switch is the operator-activated control that completes the electrical circuit to sound the machine's horn. On tandem rollers like the RD27 series, the horn serves as a critical audible warning device for alerting ground crews and nearby workers during compaction passes and maneuvering. When the switch wears out or fails — common symptoms include a horn that does not sound at all or one that activates intermittently — the machine loses its primary means of operator-to-crew communication, which can create unsafe working conditions on active paving and compaction sites.

Part Details

Compatibility & Fitment

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.