4308056
Variable Timing Supply Tube
Cummins®

The 4308056 Variable Timing Supply Tube, a component manufactured by Cummins, plays a significant role in the operation of heavy-duty truck engines equipped with variable valve timing systems. Understanding its functionality is essential for appreciating its contribution to engine performance and efficiency.

Basic Concepts of Variable Timing Supply Tubes

Variable valve timing systems in diesel engines adjust valve timing to optimize performance across different operating conditions. Supply tubes, like the 4308056, facilitate the flow of oil to the variable timing mechanisms, which is crucial for the actuation of components that adjust valve timing, thereby contributing to improved engine efficiency, power output, and emissions control ¹.

Purpose and Function of the 4308056 Variable Timing Supply Tube

Designed to manage the flow of oil to the variable timing mechanisms within Cummins engines, the 4308056 ensures a consistent and regulated supply of oil. This supports the precise operation of these mechanisms, allowing the engine to adjust valve timing dynamically and enhancing overall engine performance and efficiency ².

Key Features

Constructed with durability and performance in mind, the 4308056 is made from high-quality materials that resist wear and corrosion, ensuring long-term reliability. It features secure connection types that prevent leaks and maintain the integrity of the oil supply system. Unique design elements, such as reinforced sections and precise engineering, further enhance its performance and durability under demanding conditions ³.

Benefits of Using the 4308056 Variable Timing Supply Tube

Incorporating the 4308056 into Cummins engines offers several advantages, including improved engine efficiency by ensuring optimal operation of the variable timing system. This can lead to enhanced engine performance, including better power output and fuel economy. Additionally, it may contribute to reducing emissions, aligning with environmental regulations and standards.

Installation and Compatibility

Proper installation of the 4308056 is vital for its effective operation. Installation procedures should follow manufacturer guidelines to ensure compatibility and functionality. It is important to verify compatibility with specific engine models and to make any necessary modifications for a seamless integration into the engine’s oil supply system.

Maintenance and Troubleshooting

Routine maintenance of the 4308056 is recommended to ensure its longevity and reliable operation. This includes regular inspections for signs of wear, corrosion, or leaks. Common issues may include oil leaks or restricted flow, which can be diagnosed through systematic checks of the tube and its connections. Troubleshooting tips involve addressing any identified issues promptly to prevent further complications and maintain engine performance.

Cummins: A Brief Overview

Cummins Inc. is a global leader in the design, manufacture, and distribution of diesel and natural gas engines. With a rich history of innovation and quality, Cummins has established a strong reputation in the diesel engine industry. The company’s commitment to advancing engine technology is evident in its wide range of products, including components like the 4308056, which embody Cummins’ dedication to enhancing engine performance and efficiency.

Role of the 4308056 Variable Timing Supply Tube in Engine Systems

The Variable Timing Supply Tube, identified by part number 4308056, is integral to the orchestration of precise engine timing. It facilitates the delivery of pressurized fluid, typically oil, to the Variable Valve Timing (VVT) system. The VVT system adjusts the timing of valve operation in response to engine load and speed, optimizing performance and efficiency.

When integrated with the injector, the Variable Timing Supply Tube ensures that the VVT actuator receives a consistent supply of oil, which is essential for the actuator’s hydraulic operation. The injector’s role is to deliver fuel into the combustion chamber, and the precise timing of this delivery is influenced by the VVT system. The Variable Timing Supply Tube thus indirectly supports the injector by maintaining the optimal timing for fuel delivery.

Furthermore, the Variable Timing Supply Tube works in conjunction with the camshaft and crankshaft sensors. These sensors monitor the position and speed of the camshaft and crankshaft, respectively, providing data to the engine control unit (ECU). The ECU uses this data to determine the ideal valve timing, which is then executed by the VVT system, with the Variable Timing Supply Tube ensuring the necessary oil pressure is available.

The ECU itself relies on the consistent operation of the VVT system to make real-time adjustments to engine timing. The Variable Timing Supply Tube is therefore a silent enabler of the ECU’s ability to fine-tune engine performance under varying conditions.

Conclusion

The 4308056 Variable Timing Supply Tube is a key component in the complex interplay of engine systems, ensuring that the VVT system operates smoothly and efficiently. This, in turn, supports the performance of components like the injector, camshaft, crankshaft sensors, and ECU, contributing to overall engine performance and efficiency.