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Key Specs
The DE400S GC diesel generator sets have been developed for your standby applications. Producing reliable power of 400 ekW at 60 Hz, our C9.3 diesel-powered DE400S GC generator set is designed to ISO 8528-5 transient response requirements
Cat Connect option ensures your generator set is always ready to start and perform as expected
| Maximum Rating | 400 ekW 400 ekW |
| Minimum Rating | 400 ekW 400 ekW |
| Emissions/Fuel Strategy | Low Fuel, R96/EUIIIa Low Fuel, R96/EUIIIa |
| Voltage | 220 to 480 Volts 220 to 480 Volts |
| Frequency | 60 Hz 60 Hz |
| Speed | 1800 rpm 1800 rpm |
| Duty Cycle | Standby Standby |
| Engine Model | C9.3B ATAAC, I-6, 4-Stroke Water-Cooled Diesel C9.3B ATAAC, I-6, 4-Stroke Water-Cooled Diesel |
| Bore | 4.53 in 115 mm |
| Stroke | 5.87 in 149 mm |
| Displacement | 567.5 in³ 9.3 l |
| Compression Ratio | 16.5:1 16.5:1 |
| Aspiration | Air to Air Aftercooled Air to Air Aftercooled |
| Fuel System | Direct Injection Direct Injection |
| Governor Type | Adem™A4 Adem™A4 |
| Length - Maximum | 186.7 in 4743 mm |
| Width - Maximum | 79.3 in 2014 mm |
| Height - Maximum | 84 in 2133 mm |
Use the comparison tool to compare detailed specs of Cat and competitor models.
Compare All ModelsBuild and customize your own generator set to perfectly fit your needs.
Learn MoreCalculate what generator size you need by using our commercial and industrial generator sizing calculator, SpecSizer.
Learn MoreCaterpillar product brochures and other informational documents are available for your growing business.
