The Multiquip 4HK1XYGD-03A Engine DCA125USI Repower is a genuine OEM repower assembly designed for the DCA125USI ultra-silent diesel generator. Sourced directly from Multiquip, this repower kit delivers the exact engine configuration required to restore full rated output on DCA125USI units. If your generator has reached the end of its engine service life, this is the correct OEM-specified solution — built to match the original installation parameters of the DCA125USI platform.
Key Features
- Genuine OEM Engine Assembly — Supplied by Multiquip as the factory-authorized repower for the DCA125USI, ensuring the replacement engine meets the same output and emissions specs as the original unit.
- Purpose-Built for DCA125USI — Engineered specifically for the DCA125USI ultra-silent generator series; mounts and connects using the existing engine bay configuration without adaptation.
- Full Power Restoration — Brings a worn or failed DCA125USI back to its rated generator output capacity, keeping critical power supply equipment operational on demanding jobsites.
- Emissions and Compliance Ready — As a genuine OEM repower, this engine assembly is configured to meet the regulatory and emissions requirements applicable to the DCA125USI platform.
- Long-Term Service Value — Repowering with the correct OEM engine extends the working life of the generator frame and electrical components, maximizing the return on your existing equipment investment.
The engine is the core power source of the DCA125USI ultra-silent diesel generator, driving the alternator to produce the rated electrical output the unit is designed to deliver. Over time, high operating hours, inadequate maintenance, or component wear can degrade engine performance — reducing power output, increasing fuel consumption, or causing the unit to shut down entirely. Installing the Multiquip 4HK1XYGD-03A repower assembly replaces the spent engine with a matched OEM unit, restoring the generator to full working condition and protecting the surrounding electrical systems from the strain of running on a degraded power source.
Need help confirming this is the right repower for your DCA125USI generator? Contact the DHS Equipment parts team for fitment support before you order.
Part Details
| Part Number | 4HK1XYGD-03A |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Engine DCA125USI Repower |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA125USI |
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.