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3406
Caterpillar
The Caterpillar 3406 stands as a benchmark for reliability, durability, and performance in the heavy-duty diesel engine industry. Designed to conquer the most demanding applications, from long-haul trucking to rugged construction and power generation, this inline 6-cylinder engine has earned a legendary reputation for its robust construction and long service life.
As the series evolved from the initial 3406A to the electronically controlled 3406E, it incorporated significant technological advancements while maintaining its core strength, culminating in what is often regarded as one of the finest engines of its era.
The 3406 series is a versatile power source trusted across multiple industries for heavy machinery, including:
On-Highway Trucks: An industry mainstay for Class 8 trucks, providing dependable power for long-distance transportation.
Construction & Earthmoving Equipment: Powers heavy machinery such as excavators, loaders, bulldozers, compactors, and pavers.
Mining: A proven choice for mining trucks and large excavators that require immense torque and 24/7 reliability.
Power Generation: Serves as a dependable prime mover for generator sets (gensets), with models delivering from 275 kVA to 400 kVA of reliable electrical power.
Marine & Industrial: Used for marine propulsion and auxiliary power, as well as in various industrial applications like pumps and compressors.
The 3406's reputation is built on a foundation of robust engineering and, in later models, advanced electronic control.
Evolution of Performance: The series progressed from mechanical fuel injection (3406A/B) to a sophisticated electronic control system in the 3406E. The flagship 3406E model features full electronic management and Electronic Unit Injection (EUI) for precise fuel delivery, optimizing performance, fuel efficiency, and emissions.
Robust Mechanical Design: Known for its incredibly durable construction, the engine utilizes high-strength materials. Its design incorporates features like a high-strength compacted graphite iron (CGI) block and advanced cooling system engineering to handle extreme loads and extend service intervals.
Turbocharged Power: Most variants are turbocharged and intercooled, providing exceptional power density and the high torque output necessary for heavy equipment.
Intelligent Control (3406E): The 3406E's electronic system offers superior diagnostics, monitoring, and control capabilities, enhancing overall operational efficiency and ease of maintenance.
The following table outlines key specifications for the electronically controlled 3406E, the pinnacle of the series:
The Caterpillar 3406 stands as a benchmark for reliability, durability, and performance in the heavy-duty diesel engine industry. Designed to conquer the most demanding applications, from long-haul trucking to rugged construction and power generation, this inline 6-cylinder engine has earned a legendary reputation for its robust construction and long service life.
As the series evolved from the initial 3406A to the electronically controlled 3406E, it incorporated significant technological advancements while maintaining its core strength, culminating in what is often regarded as one of the finest engines of its era.
The 3406 series is a versatile power source trusted across multiple industries for heavy machinery, including:
On-Highway Trucks: An industry mainstay for Class 8 trucks, providing dependable power for long-distance transportation.
Construction & Earthmoving Equipment: Powers heavy machinery such as excavators, loaders, bulldozers, compactors, and pavers.
Mining: A proven choice for mining trucks and large excavators that require immense torque and 24/7 reliability.
Power Generation: Serves as a dependable prime mover for generator sets (gensets), with models delivering from 275 kVA to 400 kVA of reliable electrical power.
Marine & Industrial: Used for marine propulsion and auxiliary power, as well as in various industrial applications like pumps and compressors.
The 3406's reputation is built on a foundation of robust engineering and, in later models, advanced electronic control.
Evolution of Performance: The series progressed from mechanical fuel injection (3406A/B) to a sophisticated electronic control system in the 3406E. The flagship 3406E model features full electronic management and Electronic Unit Injection (EUI) for precise fuel delivery, optimizing performance, fuel efficiency, and emissions.
Robust Mechanical Design: Known for its incredibly durable construction, the engine utilizes high-strength materials. Its design incorporates features like a high-strength compacted graphite iron (CGI) block and advanced cooling system engineering to handle extreme loads and extend service intervals.
Turbocharged Power: Most variants are turbocharged and intercooled, providing exceptional power density and the high torque output necessary for heavy equipment.
Intelligent Control (3406E): The 3406E's electronic system offers superior diagnostics, monitoring, and control capabilities, enhancing overall operational efficiency and ease of maintenance.
The following table outlines key specifications for the electronically controlled 3406E, the pinnacle of the series: