Generac

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Generac SD250

250 kW standby · Diesel · Liquid-cooled

250 kW diesel generator. Commercial and industrial power generation.

Standby power
250 kW
Voltage options
277/480V
Frequency / Phase
60 Hz · 3-phase
Engine
Iveco 8.7L
commercial-standby

Overview#

The Generac SD250 is a 250 kW diesel generator designed for commercial and industrial standby power applications.

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

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Estimated runtime

14.8 hours(0.6 days)

Fuel consumption ≈ 13.50 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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