2025 Cummins DQCB 750kW Diesel Generator Set

This new 2025 Cummins DQCB diesel generator set is a high-capacity standby power solution designed for commercial, municipal, and mission-critical emergency applications. Rated at 750 kW standby at 60 Hz, the unit operates at 1,800 RPM and produces 277/480V three-phase power. It is powered by the robust Cummins QSK23-G7 diesel engine, delivering reliable performance for stationary emergency service.

The generator is equipped with a permanent magnet generator (PMG) excitation system and a Cummins PowerCommand 2.3 digital control panel, providing advanced monitoring, protection, and system diagnostics. Electrical output is delivered through a 1,200-amp, 100%-rated Square D PowerPact main line circuit breaker. The alternator is configured as a 4-wire, non-reconnectable design.

This package is housed in a factory Level 2 sound-attenuated enclosure and mounted on a 1,500-gallon UL-142 double-wall sub-base fuel tank, supporting extended runtime and outdoor installation. Cooling is handled by a high-ambient radiator rated for 50°C (122°F) operation. Additional features include a coolant heater and a 10-amp battery charger (ships loose).

This unit is offered new with zero hours and includes a Cummins 2-year / 1,000-hour factory warranty. The package is UL 2200 listed and EPA Tier 2 certified for stationary emergency use.

Built on Cummins’ proven large-frame diesel platform, this DQCB generator set is a dependable, ready-to-deploy solution for facilities requiring modern, code-compliant 750 kW standby power.