The Wacker Neuson Cap Nut is a genuine OEM Cap Nut designed for the RD12A-90 Tandem Roller series and the GPS9700A. As a factory-sourced component, it is manufactured to the same specifications as the original part fitted at production, ensuring a direct, hassle-free installation on compatible machines. This Cap Nut is confirmed to fit multiple RD12A-90 configurations, including the standard Tandem Roller and the Foldable ROPS variant, as well as the GPS9700A.
Key Features
- Genuine OEM Thread Integrity — Sourced directly from Wacker Neuson, this Cap Nut meets the exact thread form and torque specification required to seat and hold correctly without risk of cross-threading or backing out under vibration.
- Drop-In Installation — Matches the original fastener profile precisely, so it installs in the same position and orientation as the factory part with no reworking of surrounding hardware.
- Broad RD12A-90 Coverage — Compatible across multiple RD12A-90 configurations, including the standard Tandem Roller, the Double Drum Green variant, and the Foldable ROPS build, as well as the GPS9700A.
- Vibration-Resistant Retention — On compaction equipment that operates under continuous high-frequency vibration, a correctly spec'd Cap Nut maintains clamping load and protects the fastener end from impact damage and corrosion.
- Verified Wacker Neuson Part Number — Part number 5000214866 is the authoritative Wacker Neuson reference for this application, giving you confidence you are ordering the right component first time.
A Cap Nut — sometimes called an acorn nut — is a closed-end fastener that threads onto a bolt or stud to secure an assembly while simultaneously covering and protecting the exposed thread end from damage, dirt, and moisture. On compaction rollers like the RD12A-90, fasteners are subjected to sustained vibration and environmental exposure, making the protective cap profile important for long-term joint integrity. When a Cap Nut becomes damaged, stripped, or corroded, it can compromise the clamping force of the joint it secures, potentially allowing components to shift or loosen during operation.
Part Details
| Part Number | 5000214866 |
|---|---|
| Old Part Number | 0214866 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cap Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
| GPS9700A | GPS9700A | 5100042221 |
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.
