This official specification manual details the Caterpillar D100-6S Diesel Generator Set, rated at 100 kW standby power at 1800 RPM. It includes full technical data on the Caterpillar C4.4 engine, control systems (EMCP 4.2), fuel and cooling systems, enclosure design, automatic voltage regulation, sound attenuation features, and optional configurations. Designed for critical power applications, the manual serves as a comprehensive guide for installation, configuration, testing, and maintenance of this industrial-grade generator system.