The Wacker Neuson Unbalance Shaft is a genuine OEM component designed for the RD45-140 series tandem rollers, including RD45-140, RD45-140c, and RD45-140o variants across standard,.3, and DPF configurations. As a direct-from-manufacturer part, it is produced to the same specifications as the original, ensuring a correct drop-in fit within the drum assembly. This shaft is compatible across a broad range of RD45-140 machines, making it the right choice whether you are servicing an older unit or a newer DPF-equipped model. Confirm your model number before ordering to ensure accurate fitment.
Key Features
- OEM-Matched Eccentricity — Manufactured to the exact offset specification of the original, ensuring the drum generates the correct compaction force without vibration imbalance.
- Direct Drum Assembly Replacement — Engineered to seat and align within the drum housing exactly as the factory-installed shaft, requiring no rework to bearing bores or mounting points.
- Broad RD45-140 Series Coverage — Fits RD45-140, RD45-140c, and RD45-140o models across standard, .3-generation, and DPF-equipped variants — one part number spans the full series lineup.
- Consistent Compaction Output — A correctly functioning unbalance shaft delivers steady, repeatable drum vibration; a worn or damaged shaft causes uneven compaction and irregular surface finish.
- Genuine Wacker Neuson Part — Sourced directly through the authorized Wacker Neuson parts supply chain, carrying the full part number 5100059523 for verified identification and traceability.
The unbalance shaft is the rotating eccentric component inside a vibratory roller drum that generates the oscillating force used to compact soil, asphalt, and granular material. As the shaft spins, its offset mass creates a centrifugal force that causes the drum to vibrate at a controlled frequency and amplitude, driving compaction energy into the surface below. When the unbalance shaft wears, cracks, or develops bearing damage, vibration output drops or becomes erratic, resulting in poor compaction density, surface irregularities, and added stress on surrounding drum components.
Part Details
| Part Number | 5100059523 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Unbalance Shaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD45-140 | RD45-140 | 5100047383 |
| RD45-140c | RD45-140c | 5100047385 |
| RD45-140o | RD45-140o | 5100047387 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
| RD45-140 DPF | RD45-140 DPF | 5100055778 |
| RD45-140c DPF | RD45-140c DPF | 5100055780 |
| RD45-140o DPF | RD45-140o DPF | 5100055782 |
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.
