The Wacker Neuson Unbalance Shaft is a genuine OEM component designed for the RD28-120 series tandem rollers, including the RD28-120, RD28-120c, RD28-120o, and their DPF variants. As a direct factory replacement, this part is manufactured to the exact specifications required by your machine and drops in without guesswork or modification. Sourcing the genuine Wacker Neuson ensures the vibration system performs exactly as the machine was engineered to operate. Verify your model number against the fitment list below before ordering to confirm compatibility.
Key Features
- Genuine OEM Vibration Accuracy — Manufactured by Wacker Neuson to the precise mass and balance tolerances needed for correct vibratory output — no compromise on compaction performance.
- Direct Bolt-In Replacement — Matches the original shaft geometry and mounting configuration, fitting straight into the drum assembly of compatible RD28-120 series machines.
- Broad RD28-120 Series Coverage — Fits the RD28-120, RD28-120c, RD28-120o, and all corresponding DPF-equipped variants, covering both earlier and later production models.
- Sustained Compaction Force — A correctly balanced unbalance shaft delivers consistent centrifugal force to the drum; a worn or failed shaft reduces compaction energy and produces uneven surface results.
- Backed by Wacker Neuson OEM Quality — Sourced directly through the Wacker Neuson parts supply chain, this component meets the same standards as the shaft installed at the factory.
The unbalance shaft is the core component of a vibratory drum roller's compaction system. It is an eccentric weighted shaft that spins at high speed inside the drum, generating the centrifugal force that causes the drum to vibrate against the ground surface. This vibration is what allows the roller to compact soil, asphalt, or aggregate efficiently — without it, the machine functions only as a static dead-weight roller. When the unbalance shaft wears, cracks, or fails, vibration amplitude drops or becomes irregular, leading to poor compaction results, increased pass counts, and potential damage to surrounding drivetrain components.
Part Details
| Part Number | 5100053015 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Unbalance Shaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD28-120 Tandem Roller | RD28-120 US | 5100021756 |
| RD28-120 C Tandem Roller | RD28-120C US | 5100021758 |
| RD28-120 O Tandem Roller | RD28-120O US | 5100021800 |
| RD28-120 | RD28-120 | 5100047375 |
| RD28-120c | RD28-120c | 5100047377 |
| RD28-120o | RD28-120o | 5100047379 |
| RD28-120 DPF | RD28-120 DPF | 5100047390 |
| RD28-120c DPF | RD28-120c DPF | 5100047392 |
| RD28-120o DPF | RD28-120o DPF | 5100047394 |
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.
