The Wacker Neuson 5200013845 Isuzu Engine is a genuine OEM power unit designed for the G50 Generator Tier 4 Final series, covering Standard, Cold Weather, Extended Run, Custom, URI HVAC, Hertz, and 600V Mobile configurations. As a direct OEM replacement sourced through Wacker Neuson's authorized parts program, the 5200013845 is built to the same specification as the original unit installed at the factory. This engine is the correct replacement across the full G50 T4F lineup, making it the go-to solution whether you're servicing a standard rental unit or a specialized HVAC or cold-weather configuration. Confirm your machine number against the fitment list before ordering to ensure an exact match for your specific G50 variant.
Key Features
- Genuine OEM Isuzu Powerplant — sourced directly from Wacker Neuson as a certified OEM assembly, meeting the same emissions compliance and output ratings as the original engine in your G50 generator.
- Tier 4 Final Emissions Certified — built to meet EPA and CARB Tier 4 Final standards, keeping your G50 generator compliant for use on regulated jobsites and in emission-controlled zones.
- Broad G50 Series Coverage — compatible with Standard, Cold Weather, Extended Run, Custom, URI HVAC, Hertz T4, and 600V Mobile variants of the G50 Generator, including both 5200- and 5100-prefixed machine numbers.
- Full Power Output Restored — a failed or worn engine results in lost generator capacity or complete shutdown; installing the correct 5200013845 unit restores full rated electrical output for your equipment and connected loads.
- Critical Fuel System and Electrical Integration — as the prime mover for the G50's alternator, correct engine specification is essential for maintaining stable voltage and frequency output; an incorrect engine fitment can compromise generator performance and connected equipment safety.
The Isuzu engine in the G50 generator serves as the mechanical prime mover — it burns diesel fuel to produce the rotational force that drives the alternator and generates electrical power. Without a properly functioning engine, the generator produces no output, leaving job sites without power for tools, lighting, or climate equipment. Over time, engine components wear or fail due to extended run hours, lack of maintenance, or fuel system issues; replacing the complete engine assembly with a genuine OEM unit like the 5200013845 restores the machine to its original operating condition and ensures correct integration with the G50's fuel, cooling, and electrical systems.
Part Details
| Part Number | 5200013845 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Isuzu Engine |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G50 Generator, Custom T4F | G50 | 5200014322, 5200014319, 5200014323, 5200014320, 5200022589, 5200017829, 5200017830, 5100042434, 5100042435, 5100042430, 5100045494, 5100042431, 5100045085, 5100045493, 5100042433, 5100042432 |
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
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