The Caterpillar C4.4 is an inline 4-cylinder diesel engine designed for robust performance in demanding industrial applications. With a displacement of 4.4 liters, this water-cooled engine typically delivers a power range from 94 to 168 horsepower and torque from 380 to 650 Nm, making it suitable for construction, agriculture, material handling, and power generation equipment. Known for its common rail electronic fuel injection system and adherence to varying emission standards, the C4.4 engine is engineered for reliability and efficiency in challenging work environments. This comprehensive Parts Manual, written in English, provides detailed information for C4.4 industrial engines, serial numbers 4461-up. It serves as an essential resource for identifying and ordering correct replacement parts, ensuring the continued optimal performance and longevity of your equipment. The manual covers critical engine specifications, fluid capacities, and includes diagrams to assist owners and technicians in maintenance and repair procedures.