The Wacker Neuson 5100028191 Pump/Motor Adapter is a genuine OEM component designed for the RD7, RD7A, and RD7Ye walk-behind tandem roller series. As a direct OEM replacement, this adapter is sourced from Wacker Neuson and built to the same specifications as the original part fitted at the factory. Confirm your machine number against the fitment list to ensure this is the correct adapter for your roller before ordering.
Key Features
- Genuine OEM Precision Interface: — Manufactured to exact OEM tolerances, ensuring the mating surfaces between the pump and motor align correctly — critical for maintaining hydraulic circuit integrity in the drive system.
- Direct Replacement for RD7 Series Rollers: — Fits the RD7, RD7A, and RD7Ye tandem rollers across multiple machine configurations, installing in place of the original adapter with no rework to surrounding components.
- Hydraulic System Stability: — A correctly fitted pump/motor adapter maintains proper alignment and sealing at the hydraulic interface, supporting consistent drum drive performance and preventing pressure loss or fluid bypass.
- Walk-Behind Tandem Roller Compatibility: — Covers multiple RD7-series build variants including dedicated Walk-Behind Roller configurations, making this a versatile service part across the RD7 product family.
- Verified Wacker Neuson Part Number: — Supplied under part number 5100028191, allowing straightforward cross-reference against your machine's parts manual for confident identification.
The pump/motor adapter serves as the mechanical interface between the hydraulic pump and the drive motor in the roller's propulsion system. It keeps both components in precise alignment so torque and hydraulic pressure are transferred efficiently without stress on the pump or motor shafts. When this adapter is worn, cracked, or misaligned, it can cause vibration, hydraulic leaks at the junction, or uneven drum drive — all of which directly affect compaction consistency and machine control on the worksite.
Part Details
| Part Number | 5100028191 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pump/Motor Adapter |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD7 Tandem Roller | RD7A | 5100017196, 5200015243, 5200015246 |
| RD7Ye Tandem Roller | RD7Ye | 5100027116, 5100027117, 5100038032, 5100048340 |
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.
