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The Caterpillar 3406E is a 6-cylinder, 14.6-liter diesel engine widely used in heavy-duty trucks, industrial equipment, and marine applications. Known for its reliability, durability, and power, the 3406E was one of CAT’s most popular engines before being succeeded by the C15.
$9000.00 Refundable Core Charge
Caterpillar 3406E Engine
- Displacement: 14.6 liters (893 cubic inches)
- Configuration: Inline-6, four-stroke diesel
- Horsepower: Ranges from 450 to 550 HP (varies by model and tuning)
- Torque: Up to 1,850 lb-ft
- Fuel System: Electronic Unit Injection (EUI) for improved fuel efficiency and performance
- Cooling System: Water-cooled
- Turbocharged & Aftercooled: Delivers higher power and efficiency
- Compression Ratio: Typically 15.8:1
- Dry Weight: ~2,990 lbs (1,356 kg)