CAT C12.9 – Marine Engine 1000 mhp

CAT C12.9 1000 mhp – High-Performance Supercharged Diesel

Overcoming the lag associated with high-horsepower marine engines, the Caterpillar CAT C12.9 delivers a massive 1000 mhp using an innovative combination of a supercharger and turbocharger. This 12.9-liter engine is specifically engineered for the American high-speed motor yacht and sportfish market, providing instantaneous throttle response and superior hole-shots. For the USA captain, the C12.9 offers the ability to reach the offshore canyons faster, maintaining exceptional torque throughout the power band while meeting the rigorous demands of offshore fishing tournaments in US coastal waters.

Fully compliant with USA EPA Tier 3 standards, the C12.9 utilizes advanced electronic fuel injection to ensure clean, smoke-free operation and optimized fuel mapping. The engine is fully integrated with Cat® Connect technology, providing American yacht owners with high-fidelity data and remote monitoring capabilities for total situational awareness. Its robust construction and high-capacity cooling system are built to withstand the extreme thermal loads of high-speed cruising in the Gulf of Mexico or the Atlantic, providing a legendary level of reliability backed by the massive Caterpillar USA service network.

Core Technical Specifications

• Maximum Output: 1000 mhp (735 bkW) at 2300 RPM.
• Displacement: 787 cubic inches (12.9 Liters).
• Configuration: In-line 6-cylinder, 4-stroke diesel.
• Aspiration: Supercharged and Turbocharged (Aftercooled).
• Dry Weight: Approximately 3687 lbs (engine only).
• Fuel System: Electronic Common Rail injection.
• Electrical: 24V system standard.
• Compliance: EPA Tier 3 and IMO II certified.