The Wacker Neuson Gear Hub Motor is a genuine OEM component designed for the RD40-130 and RD45-140 series double drum rollers. As a direct OEM replacement, this part is manufactured to the exact specifications of the original, ensuring a correct fit within the drum drive system without guesswork or adaptation. Compatibility spans the full RD40-130 and RD45-140 model range, including standard, canopy, open-ROPS, and DPF-equipped variants. Confirm your model number against the fitment list before ordering to ensure this is the right part for your machine.
Key Features
- OEM-Matched Gear and Motor Tolerances — Manufactured to the original torque and gear mesh specifications, so drum drive output stays consistent and within design parameters.
- Drop-In Drive System Compatibility — Engineered to connect directly to the existing drum drive assembly on RD40-130 and RD45-140 series rollers, matching original mounting points and porting.
- Broad RD Series Fitment — Covers standard, canopy (c), open-ROPS (o), Tier 3 (.3), and DPF variants across both the RD40-130 and RD45-140 model families.
- Sustained Drum Propulsion Performance — A correctly functioning gear hub motor delivers smooth, controlled drum rotation for consistent compaction; a worn or failing unit causes uneven drive, drum slip, or complete propulsion loss.
- Genuine Wacker Neuson Part — Sourced directly through authorized Wacker Neuson supply channels, carrying the full OEM part number 5100065327 for verified traceability.
The gear hub motor is a hydraulic drive component mounted at the drum of the roller, responsible for converting hydraulic pressure from the machine's drive circuit into rotational force that propels the drum. It plays a central role in controlling travel speed, traction, and compaction consistency across the work surface. When the gear hub motor begins to wear or fail, operators typically notice loss of drive power to one or both drums, erratic travel behavior, or hydraulic fluid leaks at the hub — all of which compromise compaction quality and machine safety on the jobsite.
Part Details
| Part Number | 5100065327 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Gear Hub Motor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 | RD40-130 | 5100047382 |
| RD45-140 | RD45-140 | 5100047383 |
| RD40-130c | RD40-130c | 5100047384 |
| RD45-140c | RD45-140c | 5100047385 |
| RD40-130o | RD40-130o | 5100047386 |
| RD45-140o | RD45-140o | 5100047387 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
| RD40-130 DPF | RD40-130 DPF | 5100055777 |
| RD45-140 DPF | RD45-140 DPF | 5100055778 |
| RD40-130c DPF | RD40-130c DPF | 5100055779 |
| RD45-140c DPF | RD45-140c DPF | 5100055780 |
| RD40-130o DPF | RD40-130o DPF | 5100055781 |
| 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.