Cummins

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Cummins QSX15

500 kW standby · Diesel · Liquid-cooled

500 kW diesel generator. Commercial and industrial power generation.

Standby power
500 kW
Voltage options
277/480V
Frequency / Phase
60 Hz · 3-phase
Engine
Cummins QSX15-G9
commercial-standby

Overview#

The Cummins QSX15 is a 500 kW diesel generator designed for commercial and industrial standby power applications.

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Estimate runtime for the Cummins QSX15

Adjust load percent and tank size to estimate runtime. Pre-filled with this model's spec where available.

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Estimated runtime

7.4 hours(0.3 days)

Fuel consumption ≈ 27.00 GPH at 75% load. Estimate based on industry-typical 1800 RPM standby curves (≈0.07 GPH/kW at full load). Actual consumption varies by engine, ambient temperature, fuel quality, and tuning.

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