The Wacker Neuson Yanmar Engine is a genuine OEM replacement engine designed for the RD7Ye walk-behind tandem roller series. Sourced directly through Wacker Neuson's authorized parts program, this engine carries the same specifications as the unit installed at the factory, ensuring a correct match for your machine. Confirmed fitment covers RD7Ye Tandem Roller configurations across multiple serial number ranges, making the right choice whether you're servicing a standard tandem roller or a walk-behind roller variant. When it's time to restore full power and compaction output to your RD7Ye, this is the genuine replacement to specify.
Key Features
- Genuine OEM Yanmar Powerplant — factory-authorized engine assembly built to the exact displacement, output rating, and emissions compliance required by the RD7Ye platform.
- Direct Engine Swap for RD7Ye Rollers — engineered to mount, connect, and align with existing engine bay interfaces on the RD7Ye, so your technician isn't fabricating or adapting anything during installation.
- Broad RD7Ye Coverage — verified across multiple RD7Ye Tandem Roller and Walk-Behind Roller configurations, including several distinct serial number ranges under the RD7Ye model family.
- Full Compaction Power Restored — a worn or seized engine robs the RD7Ye of the drum vibration and drive force needed to achieve proper asphalt and soil density; this replacement brings output back to spec so the machine performs as intended.
- Emissions and Fuel System Integrity — as a certified OEM Yanmar assembly, this engine meets the applicable emissions tier requirements for the RD7Ye, an important consideration for regulated jobsite environments and equipment compliance records.
The engine is the primary power source for the RD7Ye walk-behind tandem roller, driving both the vibratory drum system and the propulsion mechanism that moves the machine across the compaction surface. Without a properly functioning engine, the roller cannot generate the drum frequency or travel speed necessary to achieve target compaction density on asphalt or granular soil. A failing engine may present as loss of power under load, excessive vibration at idle, difficulty starting, or complete shutdown — any of which will bring compaction operations to a halt and can cause substandard results in the mat if the machine is run in a degraded state.
Part Details
| Part Number | 5100027439 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Yanmar Engine |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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.
