Item# E4291 – Caterpillar 3406 425HP, 1800RPM Industrial Diesel Engine

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    Item# E4291 – Caterpillar 3406 425HP, 1800RPM Industrial Diesel Engine

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    Pre-Owned Caterpillar 3406 Engine425HP @ 1800RPM

    Previously utilized with Air Compressor

    New front/rear main seals. Also, new gaskets and thermostat.

    Rebuild option available at additional cost upon request.

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    Additional information

    Item Number

    E4291

    Frequency

    60

    Rpm

    1800

    Fuel Type

    Manufacturer

    Serial Number Prefix

    92U

    Horsepower

    425

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    Legendary Caterpillar Performance Meets Proven Reliability

    When your industrial operation demands unwavering power and battlefield-tested durability, the Caterpillar 3406 diesel engine stands in a class of its own. This pre-owned 425HP powerhouse, rated at 1800RPM, delivers the legendary CAT engineering excellence that has powered industries worldwide for decades—now available at a fraction of the cost of new equipment.

    Proven Performance, Ready to Work

    This CAT 3406 comes from a carefully maintained air compressor application, meaning it was operated in controlled conditions with regular maintenance intervals. Unlike engines pulled from heavy-duty mobile equipment, this unit experienced steady, consistent operation—the ideal working environment for maximum component longevity.

    Freshly Serviced and Ready for Installation

    We understand that downtime costs money. That's why this engine has been thoroughly inspected and serviced with critical new components:

    • New Front and Rear Main Seals – Eliminating potential leak points and ensuring clean, reliable operation from day one
    • Fresh Gaskets Throughout – All critical gaskets replaced to prevent future maintenance headaches
    • New Thermostat – Optimal temperature regulation for peak efficiency and component protection
    • 425 Horsepower at 1800RPM – Substantial power output ideal for pumps, generators, compressors, and industrial drive applications

    The CAT 3406 Advantage

    The Caterpillar 3406 isn't just another diesel engine—it's an industry icon with a reputation built over millions of operating hours across every continent. Known for its robust inline-6 configuration, cast-iron construction, and exceptional parts availability, the 3406 offers:

    • Straightforward maintenance with readily available parts and service expertise
    • Proven fuel efficiency for reduced operating costs
    • Heavy-duty construction designed for 24/7 industrial applications
    • Excellent torque characteristics across the power band
    • Outstanding reliability that minimizes costly downtime

    Flexible Rebuild Options Available

    Need additional peace of mind? We offer professional rebuild services at competitive rates. Whether you want a cosmetic refresh, performance restoration, or a complete overhaul to like-new specifications, our experienced technicians can customize a rebuild package to match your requirements and budget. Contact us for a detailed rebuild quote tailored to your specific needs.

    Ideal Applications Include:

    • Stationary power generation systems
    • Industrial air compressor drives
    • Pump drive applications (irrigation, water treatment, oil & gas)
    • Marine auxiliary power
    • Mining and quarry equipment
    • Sawmill and wood processing operations
    • Manufacturing facility prime movers

    Smart Investment, Proven Value

    Why pay premium prices for new equipment when you can harness proven Caterpillar reliability at a fraction of the cost? This pre-owned 3406 offers exceptional value for operators who understand that smart equipment choices don't always mean buying new—they mean buying right.

    At Power Generation Enterprises, we specialize in quality pre-owned industrial power equipment. Every engine in our inventory is carefully evaluated to ensure it meets our strict standards for reliability and performance. We're not just selling equipment—we're helping you make intelligent investment decisions that improve your bottom line.

    Don't Let This Opportunity Pass

    Quality pre-owned CAT 3406 engines don't stay available long. Industrial operators worldwide recognize the value proposition these proven powerplants represent. With fresh seals, new gaskets, and the option for a complete professional rebuild, this engine is ready to deliver years of reliable service.

    Contact Power Generation Enterprises today for complete specifications, additional photos, shipping quotes, or to discuss rebuild options. Our knowledgeable team is ready to answer your technical questions and help you determine if this CAT 3406 is the right solution for your power requirements.

    Item #E4291 • Pre-Owned Caterpillar 3406 • 425HP @ 1800RPM • Previously Used with Air Compressor • Recently Serviced • Rebuild Services Available

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