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Key Specs
The C18 diesel generator sets have been developed for your mission critical, standby and prime applications. Producing reliable power from 500 to 600 ekW at 60 Hz, meeting ISO 8528-5 transient response requirements and built to accept 100 % rated load in one step. Our C18 generator sets range from low fuel consumption systems to EPA Stationary Emergency (Tier 2) certified.
Requires less space for installation
| Maximum Rating | 600 ekW 600 ekW |
| Minimum Rating | 500 ekW 500 ekW |
| Emissions/Fuel Strategy | Low Fuel Consumption Low Fuel Consumption |
| Voltage | 220 to 380 Volts 220 to 380 Volts |
| Frequency | 60 Hz 60 Hz |
| Speed | 1800 rpm 1800 rpm |
| Duty Cycle | Standby, Prime Standby, Prime |
| Engine Model | C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel |
| Bore | 5.71 in 145 mm |
| Stroke | 7.2 in 183 mm |
| Displacement | 1106.4 in³ 18.1 l |
| Compression Ratio | 14.5:1 14.5:1 |
| Aspiration | Air to Air Aftercooled Air to Air Aftercooled |
| Fuel System | Electronic unit injection Electronic unit injection |
| Governor Type | Adem™A4 Adem™A4 |
| Length - Maximum | 218.5 in 5550 mm |
| Width - Maximum | 80.9 in 2056 mm |
| Height - Maximum | 107.8 in 107.8 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.
