CAT 3406B Turbo Diesel

14.6 L Inline-6 Powerhouse

Output: 350 HP | Rated Speed: 1,800 RPM

Configuration: Turbocharged 14.6 L inline-6 with a 6.5″ stroke

The Caterpillar 3406B is legendary for its sheer pulling power and rock-solid reliability. Originally engineered for commercial marine duty, this turbo diesel has proven equally unstoppable in tractors, combines, harvesters, construction equipment, and industrial power units. Farmers and fleet managers alike trust the 3406B’s simple, overbuilt design for long service intervals and low operating costs—even in the harshest conditions.

Need 3406B Engines or Parts Fast?

Boots & Hanks Truck Parts stocks complete CAT 3406B take-outs, reman long blocks, turbochargers, injectors, ECMs, and full overhaul kits—all compression-tested and ready for same-day worldwide shipping.

Call 800-738-7802 or browse our live inventory at BootsAndHanksTruckParts.com to power your equipment with proven Caterpillar durability.