The Wacker Neuson Perkins EPA Engine is a genuine OEM power unit designed for the RD27-100 and RD27-120 Hydrostatic Vibratory Rollers. Sourced directly from Wacker Neuson, this engine carries the Perkins EPA designation, confirming it meets current emissions compliance requirements for commercial equipment operation. The is a direct-fit replacement that slots into the RD27 tandem roller platform without adaptation, keeping your machine performing to its original specification. Whether you are rebuilding after hard use or replacing a failed unit, this is the correct OEM engine for these machines.
Key Features
- Genuine OEM Perkins Engine: — Manufactured to the same emissions and performance specification as the original unit — not a remanufactured substitute or cross-brand equivalent.
- EPA-Compliant Powerplant: — Carries full EPA certification, keeping your RD27 roller legal for operation on regulated worksites and public projects where emissions compliance is enforced.
- Direct Fit for RD27 Tandem Rollers: — Engineered specifically for the RD27-100 and RD27-120 Hydrostatic Vibratory Roller platforms, matching original mounting points, cooling connections, and drive interfaces.
- Full Hydrostatic Drive Compatibility: — Correctly matched to the RD27's hydrostatic transmission system, ensuring proper power delivery to the drum drive circuits under compaction load.
- Verified Part Number Fit: — Part number 5200009909 is confirmed against both the RD27-100 (S/N prefix 5200009322) and RD27-120 (S/N prefix 5200009323) machine configurations.
The engine is the primary power source for every function on the RD27 tandem roller — driving the hydrostatic transmission that propels the machine, powering the vibration system in both drums, and supplying auxiliary hydraulic flow for steering and operational controls. A worn or failing engine causes loss of compaction output, erratic drum vibration, and reduced travel speed, all of which directly compromise asphalt compaction quality and pass efficiency. Replacing the engine with the correct OEM Perkins EPA unit restores full rated power and ensures the hydrostatic system receives the hydraulic flow and pressure it was designed to operate with.
Part Details
| Part Number | 5200009909 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Perkins EPA Engine |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5200009322 |
| Hydrostatic Vibratory Roller | RD27-120 | 5200009323 |
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.
