The Clarke JW6H series is a UL/FM listed diesel engine driver line for mid-to-large capacity fire pump applications, covering the UFAA and UFAD model ranges. It delivers horsepower from 311 HP up to 422 HP across 1760, 2100, and 2350 RPM ratings, built on a rugged 6-cylinder in-line 4-stroke platform for dependable, code-compliant fire protection performance.
Access the full product brochure for JW6H SERIES — specifications, installation guidelines, and compliance details in one document.
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