The Cat 6.6 Engine is a powerful, efficient, and durable solution designed for a wide range of demanding applications. Built with world-class manufacturing processes and proven core engine designs, the Cat 6.6 delivers reliable performance, quiet operation, and long service life.
Performance and Efficiency of the Cat 6.6 Engine
The Cat 6.6 engine boasts high performance capabilities. Select ratings feature a turbocharger with a smart wastegate, enabling rapid response, increased power output, and higher torque. This engine is optimized for fuel efficiency, matching the operating cycles of diverse equipment and applications, leading to lower operating costs.
Fuel and Oil Requirements for Cat 6.6
Cat 6.6 engines adhere to stringent emission standards, including Tier 4 Interim or Tier 4 Final, and Stage IIIB or Stage IV. These engines require Ultra Low Sulfur Diesel (ULSD) fuel with a maximum of 15 ppm sulfur, along with specific oil formulations to support the advanced technology. Cat engines are also designed to accommodate B20 biofuel. Consult your local Cat dealer for detailed information on fuel and oil recommendations.
Versatility and Application Range of the Cat 6.6
The Cat 6.6 engine is highly versatile, suitable for a broad spectrum of applications. Factory configurable ratings and options cater to industries such as agriculture, material handling, construction, mining, aircraft ground support, and various other industrial uses.
Compact Design and Installation Flexibility
Engineered for compact spaces, the Cat 6.6 is ideal for equipment with narrow engine compartments. Multiple installation options minimize the total package size, providing flexibility for diverse equipment designs.
Maintenance and Serviceability of the Cat 6.6 Engine
The Cat 6.6 is designed for ease of maintenance and simplified servicing routines. Features like hydraulic tappets, multi-vee belts, “no ash service” aftertreatment, and 500-hour oil change intervals contribute to low maintenance costs. Many service items are accessible from either side of the engine for convenient servicing. The S·O·SSM program, available from Cat dealers, helps determine optimal oil change intervals for peak performance.
Quality and Support for the Cat 6.6
Cat engines are manufactured to rigorous quality standards, ensuring customer satisfaction. A global Cat dealer network provides world-class product support, including scheduled maintenance, S·O·SSM sample analysis, Customer Support Agreements (CSA), Caterpillar Extended Service Coverage (ESC), and a superior dealer service network extended through the Cat Industrial Service Distributor (ISD) program.
Emissions and Aftertreatment for Cat 6.6
The Cat 6.6 engine meets or exceeds U.S. EPA Tier 4 Interim Equivalent and EU Stage IIIB Equivalent emission standards. Aftertreatment features include passive regeneration, which is transparent to the operator, and a service-free DPF for the emissions life of the engine. A wide range of inlets and outlets, along with remote off- and on-engine installation options, provides flexibility for various applications.
The Cat 6.6 engine provides a robust and reliable power solution for various demanding applications, combining power, efficiency, and ease of maintenance. Its versatility, compact design, and comprehensive support network make it a valuable asset for a wide range of industries.
