4349748
Crankshaft Counter Weight
Cummins®

The Cummins 4349748 Crankshaft Counterweight is a component designed to enhance the operation of heavy-duty truck engines. Its role is to contribute to the balance and efficiency of the crankshaft, which is vital for the smooth and reliable performance of the engine.

Basic Concepts of Crankshaft Counterweights

Crankshaft counterweights are components attached to the crankshaft to balance the rotating assembly within an engine. They play a role in counteracting the forces generated by the pistons and connecting rods, which helps maintain the crankshaft’s balance and reduces vibrations. This balance is crucial for the engine’s longevity and performance, as it minimizes wear on engine components and ensures smooth operation ¹.

Purpose of the 4349748 Crankshaft Counterweight

The 4349748 Crankshaft Counterweight is specifically designed to balance the crankshaft in Cummins engines. By offsetting the weight of the crankshaft journals and connecting rod journals, it reduces the centrifugal forces that can cause vibrations. This balance contributes to a more stable engine operation, which can lead to improved fuel efficiency and reduced stress on engine components ².

Key Features

The 4349748 Crankshaft Counterweight features a design that is tailored to fit Cummins engines precisely. It is constructed from high-quality materials that can withstand the rigors of heavy-duty truck operation. The counterweight’s design includes specific dimensions and weight that are critical for achieving the desired balance in the engine. Additionally, it may incorporate features such as precise machining and surface treatments to enhance its durability and performance ³.

Benefits of Using the 4349748 Crankshaft Counterweight

Using the 4349748 Crankshaft Counterweight can lead to several benefits. It contributes to improved engine balance, which can result in reduced vibrations and a smoother running engine. This can lead to less wear and tear on engine components, potentially extending the engine’s lifespan. Additionally, a well-balanced engine may operate more efficiently, which can translate to better fuel economy and overall performance.

Installation and Compatibility

Proper installation of the 4349748 Crankshaft Counterweight is important to ensure it functions as intended. It should be installed according to the manufacturer’s guidelines to ensure compatibility with Cummins engines. Attention to detail during installation can help prevent issues such as improper balancing or damage to the crankshaft.

Maintenance and Troubleshooting

Regular maintenance of the 4349748 Crankshaft Counterweight involves inspecting it for signs of wear or damage. It is important to check for any imbalance during routine engine maintenance, as this can indicate a problem with the counterweight. Troubleshooting may involve assessing the counterweight’s condition and ensuring it is securely attached to the crankshaft.

Common Failure Modes

Crankshaft counterweights can experience failure due to various reasons, including material fatigue, improper installation, or excessive engine vibrations. Symptoms of counterweight failure may include increased engine vibrations, unusual noises, or a decrease in engine performance. Identifying these symptoms early can help prevent more severe engine damage.

Impact on Engine Performance

The 4349748 Crankshaft Counterweight plays a role in engine performance by contributing to the smoothness and efficiency of the crankshaft’s rotation. A well-balanced crankshaft can lead to more consistent engine operation, which may improve fuel efficiency and reduce the likelihood of mechanical failures. Over time, this can contribute to the engine’s longevity and reliability.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history of innovation and quality, Cummins has established a strong reputation in the heavy-duty truck industry. The company’s product range includes engines, filtration systems, and other components that are designed to meet the demanding requirements of commercial vehicles.

Crankshaft Counterweight 4349748 Compatibility with Cummins Engines

The Crankshaft Counterweight part number 4349748, manufactured by Cummins, is designed to fit seamlessly with specific models of Cummins engines. This part is integral to the engine’s operation, balancing the crankshaft and reducing vibrations.

QSK95 CM2350 K111 and QSK95 CM2350 K113

The Crankshaft Counterweight 4349748 is specifically engineered to fit the QSK95 CM2350 K111 and QSK95 CM2350 K113 engines. These engines are part of Cummins’ QSK series, known for their robust performance and reliability in various industrial applications. The counterweight is designed to match the precise specifications of these engines, ensuring optimal performance and longevity.

The compatibility of the 4349748 counterweight with these engines is due to its precise engineering and high-quality materials. Cummins ensures that each component, including the crankshaft counterweight, meets stringent standards to maintain the engine’s efficiency and durability. This part is crucial for maintaining the balance of the crankshaft, which is essential for smooth engine operation and reducing wear and tear on other engine components.

By using the 4349748 Crankshaft Counterweight in the QSK95 CM2350 K111 and QSK95 CM2350 K113 engines, operators can expect enhanced engine performance, reduced vibrations, and improved overall reliability. This compatibility highlights Cummins’ commitment to providing high-quality, precision-engineered components that meet the demands of their industrial engines.

Conclusion

The 4349748 Crankshaft Counterweight is a critical component in the operation of Cummins engines, particularly the QSK95 CM2350 K111 and QSK95 CM2350 K113 models. Its precise engineering and high-quality materials ensure optimal performance and longevity of the engine. By maintaining the balance of the crankshaft, this part contributes to reduced vibrations, improved fuel efficiency, and overall engine reliability. Proper installation, regular maintenance, and timely troubleshooting are essential to maximize the benefits of this Cummins part.