The Caterpillar XQ300 Portable Generator Set – Tier 3 – 300 kW is a high‑performance, trailer‑mounted diesel power solution engineered for heavy‑duty temporary and backup applications. Designed for contractor and industrial use, the XQ300 delivers 300 kW (375 kVA) standby power with 275 kW prime‑rating output, making it ideal for large construction sites, data centers, hospitals, and events requiring reliable 50/60 Hz electrical support.
Powered by a Caterpillar C9 diesel engine, the XQ300 runs efficiently at 1800 RPM with a wide voltage range from 208 V to 600 V, supporting three‑phase configurations and common building voltages such as 277/480 V and 240/120 V. It features Tier‑3 emissions‑compliant technology, rear‑mounted radiator cooling, and an integrated sound‑attenuated enclosure for low‑noise operation in populated or urban environments.
The generator is mounted on a rugged, skid‑style or trailer‑mounted frame with a large fuel tank (often around 400 gallons), enabling extended runtime—up to roughly 23–28 hours at full or ¾ load—without refueling. It also includes standard controls with an integrated circuit breaker, battery disconnect, and trailer‑ready towing hardware, ensuring safe, easy deployment and relocation across job sites.
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