3176773
Rocker Lever Shaft
Cummins®

The Rocker Lever Shaft 3176773, manufactured by Cummins, is a component integral to the operation of commercial trucks. Cummins, a well-established name in the engine manufacturing industry, produces this part to ensure the efficient and reliable performance of truck engines. The Rocker Lever Shaft 3176773 is designed to enhance the functionality of the engine by facilitating the interaction between the camshaft and the valves.

Basic Concepts of Rocker Lever Shafts

A Rocker Lever Shaft is a mechanical component found in internal combustion engines. Its primary function is to transfer motion from the camshaft to the valves. This transfer is achieved through a series of levers and pivot points that amplify the camshaft’s motion, ensuring that the valves open and close at the correct times and with the appropriate force. The Rocker Lever Shaft interacts with other engine components such as the camshaft, pushrods, and valves to maintain the engine’s operational rhythm ¹.

Purpose of the 3176773 Rocker Lever Shaft

This Cummins part plays a specific role in the operation of a truck engine by connecting the camshaft’s motion to the valves. As the camshaft rotates, it pushes against the rocker lever, which then pivots and opens the valve. This precise timing and force application are crucial for the engine’s combustion process. The 3176773 model is engineered to handle the demanding conditions of commercial truck engines, ensuring consistent valve operation under various load and speed conditions ².

Key Features

The 3176773 Rocker Lever Shaft is characterized by its robust design and high-quality materials. It is constructed from durable alloys that resist wear and corrosion, ensuring longevity even in harsh operating environments. The shaft’s design includes precise machining and balanced pivot points to minimize friction and ensure smooth operation. These features contribute to the shaft’s performance and durability, making it a reliable component in commercial truck engines.

Benefits

This part offers several advantages that contribute to engine efficiency, reliability, and longevity. Its precise design ensures accurate valve timing, which is vital for optimal engine performance. The durable materials used in its construction enhance its resistance to wear and tear, reducing the need for frequent replacements. Additionally, the shaft’s smooth operation helps maintain consistent engine performance, contributing to overall vehicle reliability.

Installation Process

Installing the 3176773 Rocker Lever Shaft requires careful attention to detail to ensure proper function and longevity. The process involves removing the old shaft, inspecting the engine components for wear or damage, and then installing the new shaft. It is recommended to use the appropriate tools to avoid damaging the shaft or other engine parts. Following the manufacturer’s guidelines for torque specifications and alignment is crucial to ensure the shaft operates correctly within the engine.

Common Issues and Troubleshooting

Typical problems associated with Rocker Lever Shafts include wear, misalignment, and noise. These issues can often be diagnosed through visual inspection and listening for unusual sounds during engine operation. Wear can be addressed by replacing the shaft or the affected components, while misalignment may require adjustments or replacements of related parts. Regular maintenance and inspections can help identify and resolve these issues before they lead to more significant engine problems.

Maintenance Tips

To ensure the longevity and optimal performance of the 3176773 Rocker Lever Shaft, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, ensuring proper alignment and torque, and addressing any issues promptly. Keeping the engine clean and well-lubricated also contributes to the shaft’s longevity. Following the manufacturer’s maintenance schedule and guidelines will help maintain the shaft’s performance and extend its service life.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation for quality, reliability, and innovation in the commercial truck industry. The company’s product range includes a variety of engines and components designed to meet the demanding requirements of commercial vehicles, ensuring efficient and reliable performance.

Compatibility of Rocker Lever Shaft Part 3176773 with Cummins Engines

The Rocker Lever Shaft part number 3176773, manufactured by Cummins, is designed to fit seamlessly with several engine models. This part is integral to the engine’s valve train system, ensuring smooth and reliable operation.

K19 Series

The K19 series engines, including the K19 CM2350 K105, K19 CM2350 K114, and K19 CM2350 K144G, are compatible with the Rocker Lever Shaft part 3176773. These engines are known for their robust design and efficiency, making them suitable for various applications. The part’s fitment ensures that the rocker arms operate smoothly, maintaining the engine’s performance and longevity.

QSK19 Series

The QSK19 series engines, specifically the QSK19 CM2350 K144G and QSK19 CM850 MCRS, also utilize the Rocker Lever Shaft part 3176773. These engines are designed for heavy-duty applications, providing high power output and durability. The compatibility of this part with the QSK19 series ensures that the valve train components function correctly, contributing to the engine’s overall reliability and efficiency.

Grouping by Application

The compatibility of the Rocker Lever Shaft part 3176773 across different engine models highlights its versatility and importance in maintaining the engine’s performance. Whether used in the K19 series or the QSK19 series, this part plays a crucial role in the engine’s operation, ensuring that the rocker arms are properly actuated and the valve train functions smoothly.

Role of Part 3176773 Rocker Lever Shaft in Engine Systems

The 3176773 Rocker Lever Shaft is an integral component in the operation of various engine systems, particularly within the context of base parts, kits, and overhaul kits. This shaft is designed to work in conjunction with the rocker lever assembly, which includes the rocker levers and the rocker top-level assembly lever.

When integrated into the base parts, the 3176773 Rocker Lever Shaft facilitates the transfer of motion from the camshaft to the valves. This transfer is essential for the precise opening and closing of the valves, which in turn regulates the airflow into and out of the combustion chambers.

In a kit or an overhaul kit, the inclusion of the 3176773 Rocker Lever Shaft ensures that the rocker lever assembly functions optimally. The shaft’s role is to provide a stable and reliable pivot point for the rocker levers. As the camshaft lobes push against the rockers, the shaft allows the rockers to pivot, thereby amplifying the motion to open the valves wider and faster than the camshaft’s direct action could achieve.

The interaction between the 3176773 Rocker Lever Shaft and the rocker top-level assembly lever is particularly noteworthy. The shaft’s design must accommodate the specific geometry and operational requirements of the top-level assembly lever to maintain the integrity of the valve train’s motion. This ensures that the valve events are timed correctly in relation to the piston’s position, which is vital for engine performance and efficiency.

Overall, the 3176773 Rocker Lever Shaft is a key element in the orchestration of the valve train’s components, contributing to the engine’s overall functionality and performance.

Conclusion

The 3176773 Rocker Lever Shaft is a critical component in the operation of commercial truck engines, ensuring efficient and reliable performance. Its robust design, precise machining, and durable materials contribute to its longevity and effectiveness in various engine systems. Regular maintenance and proper installation are essential to maximize the benefits of this Cummins part, ensuring optimal engine performance and longevity.