The Wacker Neuson Backup Alarm Kit is a genuine OEM component designed for the RD27-100 and RD27-120 series hydrostatic vibratory rollers, including standard and traction control configurations. Sourced directly from Wacker Neuson, this kit delivers the correct audible warning output and electrical compatibility required for these machines. Whether you are restoring a failed alarm system or completing a scheduled safety inspection, part number ensures you are installing the manufacturer-specified assembly. Confirm your machine number against the fitment list to verify compatibility before ordering.
Key Features
- Correct Audible Output Rating — Genuine OEM construction ensures the alarm meets the original decibel and frequency specification for the RD27 roller platform, so the warning signal is heard at the required distance.
- Direct Plug-In Electrical Compatibility — Designed to connect directly to the existing wiring harness on RD27-100 and RD27-120 machines, eliminating the need for wiring modifications or adapter leads.
- Broad RD27 Series Coverage — Fits multiple build variants of the RD27-100 and RD27-120, including both standard hydrostatic vibratory roller configurations and traction control-equipped models.
- Sustained Alarm Performance — A functioning backup alarm activates reliably every time the machine reverses; a failed or degraded alarm creates blind-spot hazards for ground workers during compaction operations.
- Operator and Site Safety Compliance — Backup alarms are a recognized safety requirement on self-propelled compaction equipment operating near personnel; replacing a failed unit with the OEM-specified kit supports compliance with site safety standards.
A backup alarm is an audible warning device that sounds automatically when a ride-on roller is put into reverse. On tandem rollers like the RD27 series, where the operator's rearward sightlines can be limited during compaction passes, the alarm serves as a critical alert for ground workers and bystanders in the machine's path. When the alarm fails — whether due to electrical fault, physical damage, or component wear — the machine loses a primary layer of active personnel protection, which can create liability exposure and force the equipment off the job until the system is restored.
Part Details
| Part Number | 5000161770 |
|---|---|
| Old Part Number | 0161770 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Backup Alarm Kit |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620393, 5000620508, 5000620510, 5000620512, 5000620395, 5200009322, 5000620007, 5000620037 |
| Hydrostatic Vibratory Roller | RD27-120 | 5000620394, 5000620509, 5000620511, 5000620513, 5000620396, 5200009323, 5000009469, 5000620038 |
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.