The Wacker Neuson Ext Retaining Ring 70Mmx2.5Mm is a genuine OEM component designed for RD-series tandem vibratory rollers and RT-series vibratory trench rollers. As an authorized Wacker Neuson part, is manufactured to the exact dimensions and material grade required for proper retention of rotating and sliding shaft assemblies in these machines. This ring fits a broad range of models including the RD12A-90, RD12-90, RD16-90, RD16-100, RT560, and RT820 series, covering both standard and hydrostatic configurations.
Key Features
- OEM-Spec Ring Geometry — Manufactured at the precise 70mm diameter and 2.5mm groove width required for correct seating and secure axial retention without deformation under load.
- Direct Drop-In Replacement — Snaps into the existing external groove on the shaft without machining or fitting adjustments, restoring the original clamping action immediately.
- Broad Roller Compatibility — Fits RD12, RD12A, RD16 tandem vibratory rollers and RT560, RT820, RT820HT vibratory trench rollers across multiple serial number ranges.
- Prevents Component Migration — A correctly seated external retaining ring locks bearings, gears, and other shaft-mounted components in their designed axial position, preventing premature wear on adjacent parts.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson, ensuring the temper, spring-back rating, and surface finish match what came off the production line.
An external retaining ring is a precision-formed circlip that fits into a machined groove on the outside of a shaft or pin, creating a positive stop that prevents mounted components — such as bearings, pulleys, or drum drive elements — from sliding axially out of position. On vibratory rollers and trench rollers, these rings operate in high-vibration environments where any axial play can rapidly accelerate wear on the surrounding assembly. When a retaining ring becomes worn, corroded, or dislodged, the components it retains can shift, causing misalignment, accelerated bearing failure, or loss of drive function — making timely replacement essential to keeping the drum and drivetrain operating correctly.
Part Details
| Part Number | 5002004853 |
|---|---|
| Old Part Number | 2004853 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Ext Retaining Ring 70Mmx2.5Mm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD16-90 Vibratory Roller | RD16-90 | 5000620060, 5000620127, 5000620799 |
| RD 16-100 | RD16-100 | 5000620402, 5000620798 |
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
| Vibratory Trench Roller | RT560 | 5000009001, 5000009000, 5000007643, 5000007642 |
| Vibratory Trench Roller | RT820 | 5000009003, 5000009002, 5000007644, 5000007652 |
| Vibratory Trench Roller | RT820HT | 5000007645, 5000008047 |
| Double Drum Vibratory Roller | RD880V | 5000006736 |
| Drum | Drum | 5100057581 |
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.
