The Wacker Neuson 5200025553 Hatz Engine is a genuine OEM powerplant designed for the RD7 Tandem Roller and RD7H series walk-behind asphalt and soil compaction rollers. Sourced directly from Wacker Neuson's authorized parts supply, this engine assembly carries the same specifications as the unit installed at the factory. Confirmed fitment spans multiple RD7 and RD7H configurations, making it the correct replacement when the original power unit requires replacement due to wear, damage, or failure.
Key Features
- Genuine OEM Hatz Power Unit — matched to the exact output and mounting specifications required by the RD7 and RD7H drivetrain, ensuring correct power delivery to the exciter and drum drive systems.
- Direct-Fit Replacement — engineered to drop into existing engine mounts and connect to OEM fuel, electrical, and drive interfaces without adaptation.
- Confirmed RD7 and RD7H Compatibility — verified across multiple RD7 Tandem Roller and RD7H model configurations for accurate parts ordering.
- Sustained Compaction Output — a properly functioning engine maintains consistent drum speed and centrifugal force, which directly determines compaction quality and pass efficiency on asphalt and soil surfaces.
- Fuel System Integrity — as the source of all operating power, correct engine specification is critical to safe fuel and exhaust management on the machine; an OEM-matched unit keeps these systems within designed operating parameters.
The engine is the primary power source for the RD7 series tandem roller, driving both the vibratory exciter system and the drum propulsion through the machine's hydraulic drive circuit. When the engine loses compression, develops fuel delivery faults, or fails entirely, the roller cannot generate the centrifugal force or travel speed needed to achieve target compaction density. Replacing the engine with a correct OEM-specification Hatz unit restores full machine output and ensures the hydraulic and exciter systems receive the power they were designed to operate on.
Part Details
| Part Number | 5200025553 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hatz Engine |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD7 Tandem Roller | RD7H | 5100017195, 5100017338, 5200015242, 5200015245 |
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.
