The Wacker Neuson 5000079721 Shaft Seal is a genuine OEM sealing component designed for the RD12, RD16, and CB14B series tandem vibratory rollers. As a direct OEM replacement, this shaft seal is manufactured to the exact material and dimensional specifications required by Wacker Neuson, ensuring proper sealing performance in the demanding hydraulic and drivetrain environments these rollers operate in. Confirmed fitment spans a broad range of walk-behind and ride-on tandem roller configurations, including the RD12-90, RD12A-90, RD16-90, RD16-100, and CB14B-900 and CB14B-1000 models. Keeping this seal in good condition is essential to protecting bearings, shafts, and fluid systems from contamination and leakage.
Key Features
- Drop-In Shaft Interface Fit — Engineered to seat directly into the original bore and ride on the shaft journal without rework, maintaining the same cross-section and lip geometry as the factory-installed seal.
- Broad RD and CB Series Coverage — A single part number covers the RD12-90, RD12A-90, RD16-90, RD16-100, CB14B-900, and CB14B-1000 tandem roller families, simplifying sourcing across a mixed fleet.
- Protects Bearings and Drivetrain Components — A healthy shaft seal keeps hydraulic fluid in and contaminants out; a failed seal allows ingress of water, dirt, and debris that accelerates bearing wear and can damage shafts and housings.
- Fluid Containment Integrity — In hydraulic and vibratory drive systems, a compromised shaft seal can result in fluid loss that leads to system pressure drop and loss of compaction force — replacing a worn seal restores full system performance.
A shaft seal creates a dynamic barrier between a rotating shaft and its surrounding housing, preventing lubrication or hydraulic fluid from escaping while blocking outside contaminants from entering the assembly. In tandem vibratory rollers like the RD and CB series, these seals operate under continuous rotational load and vibration, making material quality and dimensional accuracy critical to service life. When a shaft seal fails, fluid leaks appear at the shaft exit point, bearing lubrication is compromised, and the roller may lose hydraulic drive efficiency — making timely replacement essential to maintaining full compaction output.
Part Details
| Part Number | 5000079721 |
|---|---|
| Old Part Number | 0079721 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft Seal |
Compatibility & Fitment
| Name | Models | Machine Number |
|---|---|---|
| Double Drum Vibratory Roller | RD880V | 5000006736 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| RD 16-100 | RD16-100 | 5000620402, 5000620798 |
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620320, 5000620058 |
| RD16-90 Vibratory Roller | RD16-90 | 5000620060, 5000620127, 5000620799 |
| Soil and Asphalt Compaction | CB14B-900 | 5200004071, 5200019030, 5200005252, 5200004074, 5200004073 |
| Soil and Asphalt Compaction | CB14B-1000 | 5200004688, 5200019031 |
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.
