Description

The Caterpillar C7.1 Marine Diesel Engine is a robust and efficient propulsion and auxiliary engine designed specifically for the maritime industry. It is engineered to provide superior power output, reliability, and fuel efficiency, making it ideal for a range of marine applications, from recreational vessels to commercial and industrial maritime operations.

Key Features and Specifications:

1. Power Output:
   • Rated Power: 500 horsepower (HP) at 2,300 RPM (revolutions per minute).
   • This power output ensures excellent performance for vessels requiring moderate to high power, making it suitable for small to medium-sized boats and vessels.
2. Displacement and Configuration:
   • Engine Configuration: 6-cylinder in-line engine.
   • Displacement: 7.1 liters (431 cubic inches).
   • The C7.1 engine’s displacement provides the perfect balance between power and fuel efficiency.
3. Turbocharging and Intercooling:
   • The engine utilizes a turbocharger and intercooler to boost the air intake and optimize combustion. This improves engine efficiency, reduces emissions, and enhances overall performance.
4. Fuel System:
   • Equipped with a common rail fuel system, which provides precise fuel injection control, ensuring smoother operation, enhanced fuel efficiency, and reduced exhaust emissions.
5. Emissions Compliance:
   • The C7.1 engine is compliant with IMO (International Maritime Organization) Tier III emissions standards, as well as U.S. EPA (Environmental Protection Agency) Tier 3 emissions standards, making it environmentally friendly for modern marine operations.
6. Cooling System:
   • A robust cooling system ensures the engine operates at optimal temperatures, preventing overheating and ensuring longevity even in the most demanding marine environments.
7. Electronic Engine Control:
   • The Cat Electronic Control Module (ECM) provides real-time monitoring and control over engine parameters such as fuel consumption, load, speed, and exhaust temperatures. This allows for optimized performance and reduced maintenance requirements.
8. Size and Weight:
   • Length: Approximately 1,070 mm (42 inches).
   • Width: Approximately 780 mm (31 inches).
   • Height: Approximately 1,010 mm (40 inches).
   • Dry Weight: 860 kg (1,895 lbs).
   • The compact size and relatively low weight of the C7.1 make it suitable for integration into various vessel designs without compromising available space.
9. Transmission Compatibility:
   • The engine is designed for compatibility with a variety of marine transmissions, providing flexibility in its application, whether for propulsion or auxiliary use.
10. Durability and Maintenance:
    • Caterpillar engines are renowned for their durability and reliability, and the C7.1 is no exception. It is built to withstand the harsh marine environment, with corrosion-resistant components and heavy-duty materials.
    • Maintenance is made easier by features such as a user-friendly control panel and access points for routine checks, ensuring less downtime for servicing.
11. Fuel Type:
    • The C7.1 engine operates on diesel fuel, which is widely available and provides higher energy density compared to gasoline, making it ideal for long-range operations.
12. Applications:
    • The C7.1 Marine Diesel Engine is designed for use in a variety of marine applications, including:
      • Fishing boats
      • Yachts and pleasure craft
      • Commercial workboats
      • Tugs and other auxiliary vessels

Benefits:

• Fuel Efficiency: The C7.1’s advanced fuel system and turbocharging technology offer superior fuel efficiency, reducing operating costs over time.
• Reliability: Caterpillar’s reputation for quality means that this engine is built to last, even in demanding marine conditions.
• Performance: Delivering 500 HP at 2,300 RPM ensures strong, consistent power for vessel propulsion or auxiliary functions.
• Reduced Emissions: Compliance with stringent emission standards makes this engine a responsible choice for environmentally-conscious operators.
• Ease of Maintenance: Designed with ease of serviceability in mind, it reduces downtime and prolongs the engine’s operational life.

In conclusion, the Caterpillar C7.1 Marine Diesel Engine (500 HP) is a highly versatile, durable, and efficient option for a wide range of marine vessels, providing reliable performance, fuel efficiency, and compliance with modern emission standards.