The Wacker Neuson Diesel Engine 1d42 E-Start is a genuine OEM power unit designed for the RD7Heh, RD7Hehf, and RD7Hehfb series double drum rollers. Sourced directly from Wacker Neuson, this engine assembly carries the exact specifications required to restore full operational output to your machine. Genuine OEM designation means every component within the assembly — from the fuel system to the electric start mechanism — matches the original build standard. Confirm your model number against the fitment list before ordering to ensure a direct, correct replacement.
Key Features
- Genuine OEM Power Output — Engineered to deliver the same horsepower, torque curve, and fuel combustion characteristics as the original 1d42 unit, so compaction performance is fully restored.
- Electric Start Integration — Includes the factory-configured e-start system, meaning the starter motor, ignition interface, and wiring connections are pre-matched to the RD7H roller electrical architecture.
- Verified Series Fitment — Confirmed for RD7Heh, RD7Hehf, and RD7Hehfb double drum rollers; cross-reference your model and machine number before purchase.
- Complete Assembly Replacement — Supplied as a full engine unit, eliminating the need to source and match individual internal components when replacing a failed or damaged powerplant.
- Fuel System Safety Compliance — As a genuine OEM diesel engine assembly, it meets the original emissions and fuel system integrity standards specified for these machines, an important consideration for job site compliance.
The 1d42 is a compact single-cylinder diesel engine that serves as the primary power source for the RD7H series double drum rollers, driving the vibration and propulsion systems that enable effective soil and asphalt compaction. When this engine runs correctly, the roller delivers consistent drum frequency and travel speed; when the engine degrades or fails, compaction output drops, the machine may stall under load, and the electric start system can become unreliable. Replacing the complete engine assembly with a genuine OEM unit like the Wacker Neuson 5100006350 ensures all internal tolerances, fuel delivery components, and electrical interfaces are restored to the original specification rather than adapted from a partial repair.
Part Details
| Part Number | 5100006350 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Diesel Engine 1d42 E-Start |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD7Heh | RD7Heh | 5100006334 |
| RD7Hehf | RD7Hehf | 5100006339 |
| RD7Hehfb | RD7Hehfb | 5100006344 |
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.
Wacker Neuson