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C2.2
Caterpillar

CAT C2.2 Industrial Diesel Engine: Compact Power, Proven Performance
The CAT C2.2 is a versatile and highly efficient 4-cylinder, water-cooled diesel engine engineered to deliver outstanding power density and reliability for a vast range of small to mid-size equipment . Renowned for its ultra-compact design and superior fuel economy, this engine provides a robust power solution that balances impressive performance with lower total operating costs . Whether powering construction machinery, agricultural equipment, or industrial applications, the C2.2 is built to CAT's world-class manufacturing standards, ensuring quiet operation, durability, and a long productive life .
The C2.2 engine is designed for flexibility, making it the ideal power source across numerous industries. Its compact size and configurable ratings allow it to fit seamlessly into a wide array of machinery .
Primary equipment includes:
Construction & Earthmoving: Mini excavators, small wheel loaders, skid-steer loaders, rollers/compactors, trenchers, and light towers .
Agricultural & Landscaping: Compact tractors, harvesters, irrigation pumps, and turf maintenance equipment .
Material Handling: Forklifts, sweepers, and other logistics support equipment .
Industrial Power: Air compressors, mobile and stationary pumps, generators (such as the D25 genset), welders, and drilling rigs .
Specialized Applications: Aircraft ground support equipment and underground mining machinery .
The C2.2 engine integrates advanced technologies to meet modern demands for efficiency, power, and environmental compliance.
Advanced Fuel System: It utilizes an electronically controlled, high-pressure common rail fuel system for precise injection timing and optimal atomization . This technology ensures complete combustion, leading to excellent fuel efficiency and reduced emissions.
Flexible Aspiration Options: The engine platform is available in multiple configurations to suit different power needs: Naturally Aspirated (NA), Turbocharged (T), and Turbocharged-Aftercooled (TA) . Turbocharged models provide a significant boost in power and torque from a small displacement .
Emission Compliance Technology: Designed to meet stringent global regulations, including U.S. EPA Tier 4 Final and EU Stage V equivalents . This is achieved through advanced internal engine design and integrated aftertreatment systems like Diesel Oxidation Catalysts (DOC) and Diesel Particulate Filters (DPF), ensuring clean operation without compromising performance .
Design for Serviceability: Engineered with a "single-side service" concept, where routine maintenance points are accessible from one side of the engine. This design greatly simplifies servicing, reduces downtime, and lowers the total cost of ownership .
Robust Construction: Built with a high-strength cast-iron cylinder block, forged steel crankshaft, and durable componentry validated through rigorous testing, guaranteeing reliability in tough operating conditions .
The table below summarizes the key specifications for common configurations of the CAT C2.2 industrial diesel engine.

CAT C2.2 Industrial Diesel Engine: Compact Power, Proven Performance
The CAT C2.2 is a versatile and highly efficient 4-cylinder, water-cooled diesel engine engineered to deliver outstanding power density and reliability for a vast range of small to mid-size equipment . Renowned for its ultra-compact design and superior fuel economy, this engine provides a robust power solution that balances impressive performance with lower total operating costs . Whether powering construction machinery, agricultural equipment, or industrial applications, the C2.2 is built to CAT's world-class manufacturing standards, ensuring quiet operation, durability, and a long productive life .
The C2.2 engine is designed for flexibility, making it the ideal power source across numerous industries. Its compact size and configurable ratings allow it to fit seamlessly into a wide array of machinery .
Primary equipment includes:
Construction & Earthmoving: Mini excavators, small wheel loaders, skid-steer loaders, rollers/compactors, trenchers, and light towers .
Agricultural & Landscaping: Compact tractors, harvesters, irrigation pumps, and turf maintenance equipment .
Material Handling: Forklifts, sweepers, and other logistics support equipment .
Industrial Power: Air compressors, mobile and stationary pumps, generators (such as the D25 genset), welders, and drilling rigs .
Specialized Applications: Aircraft ground support equipment and underground mining machinery .
The C2.2 engine integrates advanced technologies to meet modern demands for efficiency, power, and environmental compliance.
Advanced Fuel System: It utilizes an electronically controlled, high-pressure common rail fuel system for precise injection timing and optimal atomization . This technology ensures complete combustion, leading to excellent fuel efficiency and reduced emissions.
Flexible Aspiration Options: The engine platform is available in multiple configurations to suit different power needs: Naturally Aspirated (NA), Turbocharged (T), and Turbocharged-Aftercooled (TA) . Turbocharged models provide a significant boost in power and torque from a small displacement .
Emission Compliance Technology: Designed to meet stringent global regulations, including U.S. EPA Tier 4 Final and EU Stage V equivalents . This is achieved through advanced internal engine design and integrated aftertreatment systems like Diesel Oxidation Catalysts (DOC) and Diesel Particulate Filters (DPF), ensuring clean operation without compromising performance .
Design for Serviceability: Engineered with a "single-side service" concept, where routine maintenance points are accessible from one side of the engine. This design greatly simplifies servicing, reduces downtime, and lowers the total cost of ownership .
Robust Construction: Built with a high-strength cast-iron cylinder block, forged steel crankshaft, and durable componentry validated through rigorous testing, guaranteeing reliability in tough operating conditions .
The table below summarizes the key specifications for common configurations of the CAT C2.2 industrial diesel engine.
