4094069
Camshaft
Cummins®

The Cummins 4094069 Camshaft is a vital component in the operation of commercial trucks, specifically designed to enhance engine performance and reliability. This camshaft is integral to the efficient functioning of the engine, ensuring that the timing of valve operations is precisely controlled.

Basic Concepts of Camshafts

A camshaft is a shaft with a series of cams or lobes that rotate to actuate the intake and exhaust valves of an internal combustion engine. It operates in conjunction with other engine components, such as the crankshaft, to ensure that the valves open and close at the correct times during each cylinder’s intake and exhaust strokes. This precise timing is crucial for the engine’s overall performance and efficiency ¹.

Purpose of the 4094069 Camshaft

The 4094069 Camshaft plays a specific role in the operation of a truck engine by controlling the timing of the valve operation. It ensures that the intake and exhaust valves open and close in sync with the piston’s movement, optimizing the air-fuel mixture’s intake and the exhaust gases’ expulsion. This precise control contributes to the engine’s efficiency, performance, and durability ².

Key Features

The 4094069 Camshaft is characterized by its robust design and the use of high-quality materials, which enhance its performance and durability. Its design includes carefully crafted lobes that provide optimal valve lift and duration, contributing to improved engine efficiency. The materials used in its construction are chosen for their ability to withstand the high stresses and temperatures encountered in heavy-duty applications ³.

Benefits

The 4094069 Camshaft offers several benefits, including improved engine efficiency, enhanced performance, and reliability in heavy-duty applications. By ensuring precise valve timing, it contributes to more efficient combustion, which can lead to increased horsepower, torque, and fuel efficiency. Its robust construction also ensures longevity and reliability under demanding operating conditions.

Installation Considerations

Proper installation of the 4094069 Camshaft is crucial for ensuring its optimal performance and longevity. It is important to verify compatibility with specific engine models and to follow any preparatory steps recommended by the manufacturer. This may include inspecting and cleaning the engine compartment, ensuring that all mating surfaces are free of debris, and following the correct torque specifications for any fasteners.

Maintenance and Troubleshooting

Routine maintenance practices are essential for ensuring the longevity and optimal performance of the 4094069 Camshaft. This includes regular inspections for wear or damage, ensuring that all related components, such as valve springs and lifters, are in good condition. Common troubleshooting tips include checking for proper valve clearance and ensuring that the camshaft is properly lubricated.

Performance Enhancements

The 4094069 Camshaft contributes to overall engine performance by providing precise valve timing, which can lead to increased horsepower, torque, and fuel efficiency. Its design and materials are chosen to withstand the rigors of heavy-duty applications, ensuring that it can deliver enhanced performance over an extended period.

Durability and Longevity

The durability and expected lifespan of the 4094069 Camshaft under typical operating conditions are influenced by several factors, including the quality of materials used, the precision of its design, and the conditions under which it operates. Regular maintenance and proper installation can help ensure its longevity, making it a reliable component in heavy-duty truck engines.

Cummins Overview

Cummins Inc. is a renowned manufacturer with a long-standing reputation in the industry for producing high-quality automotive components. Founded in 1919, Cummins has built a legacy of innovation, quality, and reliability. The company’s commitment to excellence is evident in its wide range of products, including engines, filtration systems, and aftermarket parts, all designed to meet the demanding needs of commercial and industrial applications.

Cummins Camshaft 4094069 Compatibility

The Cummins camshaft part number 4094069 is designed to fit a variety of Cummins engines, ensuring precise timing and performance across different models. This camshaft is compatible with the following engines:

• 6B5.9
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B140
• ISB5.9 CM2880 B149
• QSB5.9 CM2880 B115

For the ISB5.9 CM2880 series, the camshaft part number 4094069 is suitable for the B110, B140, and B149 variants. These engines are known for their robust performance and reliability in various applications, from industrial to heavy-duty transportation.

Similarly, the QSB5.9 CM2880 B115 engine also benefits from the precise engineering of the 4094069 camshaft, ensuring optimal valve timing and engine efficiency. This compatibility extends to the 6B5.9 engine, where the camshaft plays a crucial role in maintaining the engine’s performance characteristics.

By ensuring that the camshaft part number 4094069 fits these engines, Cummins maintains a high standard of interchangeability and reliability, allowing for easier maintenance and repair across different engine models.

Role of Part 4094069 Camshaft in Engine Systems

The camshaft, specifically part 4094069, is integral to the operation of several key engine components. Its primary function is to control the timing of the valve operation, ensuring that the intake and exhaust valves open and close at the precise moments necessary for optimal engine performance.

Interaction with Connecting Rod and Piston

The camshaft’s role is closely tied to the operation of the connecting rod and piston assembly. As the camshaft rotates, it actuates the valves through a series of cams and lifters. This action is synchronized with the movement of the pistons. When the intake valve opens, the piston moves downward on the intake stroke, drawing in the air-fuel mixture. Conversely, when the exhaust valve opens, the piston moves upward on the exhaust stroke, expelling the spent gases. The precise timing orchestrated by the camshaft ensures that these movements are harmonious, maximizing engine efficiency and power output.

Coordination with Injector

In fuel-injected engines, the camshaft also plays a part in coordinating with the injector. The opening and closing of the intake valve must be perfectly timed with the fuel injection event. Part 4094069 ensures that the intake valve is open when the injector delivers the fuel, allowing for optimal air-fuel mixture and combustion. This synchronization is essential for achieving the desired performance and fuel economy.

Impact on Overall Performance

The camshaft’s design and timing significantly influence the engine’s overall performance. A well-designed camshaft, such as part 4094069, can enhance power, torque, and efficiency. It achieves this by optimizing the duration and lift of the valve events, which directly affects how much air and fuel enter the combustion chamber and how effectively the exhaust gases are expelled.

Conclusion

In summary, the 4094069 camshaft is a pivotal component that ensures the smooth and efficient operation of the connecting rod and piston, injector, and ultimately, the engine’s performance. Its precise control over valve timing is essential for the coordinated function of these components, leading to enhanced engine operation.