2025 Cummins C500N6B 500kW Natural Gas Generator Set (Sold)

This new 2025 Cummins C500N6B natural gas generator set is a modern, high-capacity standby power solution designed for commercial, municipal, and mission-critical emergency applications. The unit is rated 500 kW standby at 60 Hz, operating at 1,800 RPM, and produces 277/480V, three-phase power with a 12-lead reconnectable alternator, allowing flexible voltage configurations.

The generator is powered by a heavy-duty Cummins GTA 28E spark-ignited natural gas engine (Engine S/N: 99801532) and is equipped with a Cummins PowerCommand 3.3 digital control panel with full system monitoring, diagnostics, and paralleling capability. Electrical output is delivered through a factory-installed 800-amp main circuit breaker.

This package is housed in a Level 2 sound-attenuated galvaneal enclosure rated for 100 MPH wind loads, making it well-suited for outdoor stationary installation. The generator is EPA-certified for stationary emergency use and is offered with a Cummins 2-year / 1,000-hour limited factory warranty.

Built on Cummins’ current natural gas platform, this C500N6B is an excellent choice for hospitals, data centers, municipal facilities, and commercial buildings requiring a modern, code-compliant 500 kW natural gas standby generator.