2007 Cummins DQFAC 900kW Diesel Generator Set

This 2007 Cummins DQFAC diesel generator set is a large-frame industrial power system designed for commercial and heavy-duty standby power applications. The unit is rated at 900 kW standby and 1,125 kVA at 60 Hz, operating at 1,800 RPM and currently configured for 277/480V, three-phase power. With approximately 728 operating hours, this generator offers a low-hour Cummins package for facilities requiring dependable large-capacity standby power.

The generator is powered by a Cummins QST30-G5 turbocharged and aftercooled diesel engine, Engine S/N 37228164. The 30.0-liter engine is rated at 1,490 HP for standby operation and is EPA Tier 2 stationary emergency certified. The reconnectable generator end supports multiple voltage configurations, providing flexibility for a range of installation requirements.

System controls are provided through a Cummins PowerCommand 3201 digital control panel, offering generator monitoring, system diagnostics, alarm indication, and protective shutdown functions. Electrical output is protected by a Square D Masterpact NW30H main circuit breaker equipped with a Micrologic 5.0P trip unit.

This unit is configured as an open-skid generator set, making it suitable for permanent indoor installations, custom enclosure projects, export applications, and specialized power-system builds. Equipment includes dual dry-type air cleaners, a 4,990-watt 240/480V jacket water heater, a 24V DC electric-start system, a full radiator-cooling system, and dual insulated turbo and exhaust outlets.

Built around Cummins’ proven QST30 platform, this DQFAC is well suited for manufacturing facilities, data centers, utilities, commercial buildings, and other large industrial sites requiring reliable 900 kW standby power.