Item# E4579 – Caterpillar D399 1250HP, 1200RPM Marine Diesel Engine

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    Item# E4579 – Caterpillar D399 1250HP, 1200RPM Marine Diesel Engine

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    Pre-Owned Caterpillar D399 Marine Propulsion Engine!1250HP @ 1200RPM

    Approximately 15,000 hours

    Air Starter

    Hydra-Mechanical Governor

    Has been inspected and verified

    Please refer to product document “Brochure” for further detail!

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    Additional information

    Item Number

    E4579

    Rpm

    1200

    Fuel Type

    Enclosure Portable

    Manufacturer

    Serial Number Prefix

    91B

    Horsepower

    1250

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    Full Details

    Unleash 1,250 Horsepower of Legendary Caterpillar Marine Power

    When your marine operations demand proven reliability and raw power, nothing delivers like the iconic Caterpillar D399 Marine Propulsion Engine. This pre-owned powerhouse represents decades of Caterpillar engineering excellence, offering professional-grade performance that's built to conquer the most demanding maritime applications.

    Proven Performance You Can Trust

    This meticulously maintained D399 delivers an impressive 1,250 horsepower at 1,200 RPM, providing the robust thrust and reliable power output that commercial vessels, workboats, and offshore operations require. With approximately 15,000 operational hours, this engine sits in the sweet spot of its service life—fully broken in and performing at peak efficiency, yet with substantial operational life remaining when properly maintained.

    Professional-Grade Features Designed for Marine Excellence

    • Air Starting System: Ensures reliable cold starts in challenging marine environments, eliminating battery dependencies and providing consistent ignition even in extreme conditions
    • Hydra-Mechanical Governor: Delivers precise RPM control and load response, maintaining stable power delivery under varying operating conditions for optimal fuel efficiency and performance
    • Caterpillar D399 Heritage: Part of Cat's legendary 3500 series engine family, renowned worldwide for durability, parts availability, and service network support
    • Marine-Specific Configuration: Purpose-built for marine propulsion with corrosion-resistant components and marinized systems designed to withstand saltwater environments
    • Inspected and Verified: This engine has undergone comprehensive professional inspection, giving you confidence in its operational readiness and condition

    The Caterpillar Advantage in Marine Applications

    The D399 has earned its reputation as a workhorse in commercial marine operations worldwide. Its robust cast-iron construction, proven fuel injection system, and straightforward serviceability make it the intelligent choice for operators who understand that downtime costs money. With worldwide parts availability and extensive technician knowledge base, you're never far from expert support.

    Ideal Applications Include:

    • Commercial fishing vessels requiring dependable long-range capability
    • Offshore supply and crew boats demanding high-output performance
    • Tugboat operations where torque and reliability are non-negotiable
    • Charter and tour vessel repowers seeking proven longevity
    • Dredging and marine construction equipment requiring continuous-duty power
    • Auxiliary power generation for larger maritime operations

    Smart Investment, Substantial Savings

    Acquiring a pre-owned Caterpillar D399 in verified condition represents exceptional value compared to new engine pricing. You're getting Caterpillar's world-class engineering, proven performance track record, and global support network at a fraction of the replacement cost—allowing you to allocate more resources to your operation's growth and profitability.

    Complete Documentation Available

    We provide detailed brochure documentation containing comprehensive specifications, dimensional data, and configuration details to assist with your installation planning and fitment verification. Our team understands that professional marine operations require complete information for informed purchasing decisions.

    Ready for Your Next Maritime Challenge

    This Caterpillar D399 Marine Propulsion Engine is available now and ready to power your vessel to success. With its proven track record, professional inspection status, and legendary Caterpillar reliability, this engine represents an opportunity to upgrade or repower with confidence.

    Don't let this opportunity sail away. Contact Power Generation Enterprises today to discuss specifications, arrange inspection, or receive detailed documentation. Our marine power specialists are ready to answer your technical questions and facilitate seamless acquisition and delivery.

    Item #E4579 - When reliability, power, and proven performance matter, trust Caterpillar. Trust Power Generation Enterprises.

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