The Wacker Neuson Governor Weight Holder Pin is a genuine OEM component designed for the RD11AEC and RD11A hydrostatic double drum vibratory rollers. As a direct factory replacement, this pin is produced to the exact tolerances required for proper governor assembly function in these tandem roller models. Sourcing the correct OEM pin ensures the governor mechanism operates as engineered, maintaining consistent engine speed control under variable load conditions.
Key Features
- Exact OEM Tolerancing: — Machined to factory dimensional specs, ensuring the governor weight holder seats and pivots correctly without play or binding.
- Direct Replacement: — Drops into the existing governor assembly on RD11AEC and RD11A rollers, aligning with factory mounting points for a straightforward swap.
- Tandem Roller Fitment: — Confirmed for the RD11AEC and RD11A hydrostatic double drum vibratory roller series.
- Engine Speed Stability: — A correctly functioning governor pin maintains consistent RPM regulation; a worn or missing pin can cause erratic engine speed and loss of compaction performance.
- Genuine Wacker Neuson OEM Part: — Sourced directly through the Wacker Neuson parts network, with part number 5000151771 verified against the original equipment bill of materials.
The governor weight holder pin is a small but critical component within the mechanical governor assembly of the engine. It serves as the pivot or retention point for the governor weights, which swing outward under centrifugal force as engine RPM rises, signaling the governor to reduce fuel delivery and stabilize speed. If this pin wears, bends, or fails, the weights lose their proper pivot action, causing the governor to respond erratically — resulting in engine surging, RPM instability, or an inability to maintain target drum vibration frequencies. On a vibratory tandem roller like the RD11A and RD11AEC, stable engine speed is directly tied to consistent compaction output, making this pin an important part to inspect and replace during any governor service.
Part Details
| Part Number | 5000151771 |
|---|---|
| Old Part Number | 0151771 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Weight Holder Pin |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
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.