Wacker Neuson 5000064216 Key Start Switch

The Wacker Neuson Key Start Switch is a genuine OEM component designed for the RD11AEC and RD11V hydrostatic double drum vibratory tandem rollers. As a factory-sourced part, it matches the original specification exactly, ensuring correct function within the ignition and electrical start circuit of the machine. This switch is a direct replacement for machines where the original has worn, failed, or been damaged, and it installs into the same position as the factory-fitted unit.

Key Features

• Genuine OEM Ignition Integrity — Sourced directly from Wacker Neuson, this switch delivers the correct electrical contact ratings and switching sequence required for the RD11 series start circuit.
• Direct-Fit Replacement — Engineered to the same mounting configuration and connector interface as the original, allowing straightforward installation without modification to the wiring harness.
• Confirmed Fitment for RD11 Tandem Rollers — Verified for the RD11AEC and RD11V hydrostatic double drum vibratory rollers, giving you confidence before the part arrives on site.
• Consistent Start Performance — A properly functioning key start switch ensures clean, reliable ignition engagement every time the operator starts the machine — critical during high-cycle workdays on asphalt and compaction jobs.
• Electrical Safety Compliance — As a key component in the start circuit, using a genuine OEM switch ensures the ignition system operates within the designed electrical parameters, avoiding unintended start or fail-to-start conditions.

The key start switch controls the ignition and starter circuit, allowing the operator to power up and engage the engine with a keyed input. It acts as the primary on/off and start control in the machine's electrical system, routing current to the appropriate circuits depending on switch position. When this switch wears or fails internally, the machine may fail to start, experience intermittent ignition loss, or in some cases remain stuck in an energized state — making prompt replacement essential for safe and uninterrupted roller operation.

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.