CAT 3406E Diesel Engine

525 HP Marine & Heavy-Duty Workhorse

Power Output: 525 HP | Rated Speed: 1,800 RPM

Key Advantage: Wide operating range with exceptional torque rise—ideal for transmissions with fewer gears

The Caterpillar 3406E turbodiesel is engineered for serious heavy-duty performance. Its broad power band and high torque make it perfect for large yachts, cruise ships, and freight-transport vessels, whether installed as a single prime mover or in multi-engine configurations for massive propulsion or auxiliary power.

Your Source for CAT 3406E Engines & Parts

Boots & Hanks Truck Parts stocks compression-tested CAT 3406E takeout engines, reman long blocks, turbochargers, injectors, ECMs, and complete overhaul kits—all ready for same-day crating and worldwide shipment. Power your marine or industrial fleet with proven Caterpillar reliability.

Call 800-738-7802 or browse our live inventory at BootsAndHanksTruckParts.com to secure your 3406E today.