4916798
Speed Indicator Ring
Cummins®

The Cummins 4916798 Speed Indicator Ring is a critical component for commercial trucks, designed to enhance engine system performance and efficiency. This article explores its function, benefits, and compatibility with Cummins engines, providing valuable insights for technicians and fleet managers.

Function and Operation

This Cummins part operates by interacting with the truck’s engine system to monitor rotational speed. Positioned on the flywheel or a rotating component, it generates signals transmitted to the vehicle’s electronic control unit (ECU). This enables the ECU to collect precise data on engine speed, essential for various engine management functions ¹.

Purpose of the Speed Indicator Ring

The primary role of the Speed Indicator Ring is to monitor and indicate the rotational speed of the engine. This information is vital for performance monitoring and diagnostics. By providing accurate speed data, the ring ensures the engine operates within its designed parameters, contributing to efficient fuel consumption, emission control, and overall engine health ².

Key Features

Characterized by its robust design and high-quality materials, the 4916798 ensures durability and reliability under demanding conditions. Technological advancements in its design enhance its accuracy and efficiency in transmitting speed data, supporting engine performance and diagnostics ³.

Benefits

Incorporating the Speed Indicator Ring into a truck’s engine system offers several advantages. It enables precise monitoring and adjustment of engine operations, enhancing performance. Enhanced diagnostic capabilities allow for early detection of potential issues, facilitating timely maintenance and reducing the risk of engine failure. Additionally, the ring supports increased operational efficiency by ensuring optimal engine operation under various conditions.

Installation and Integration

Proper installation and integration of the Speed Indicator Ring within the truck’s engine system are vital for its effective operation. Best practices include ensuring a secure fit on the flywheel or designated component, verifying the alignment of the ring with the sensor, and testing the system to confirm accurate speed readings. Attention to these details during installation helps prevent issues and ensures the ring functions as intended.

Troubleshooting and Maintenance

Identifying common issues related to the Speed Indicator Ring involves monitoring for inaccurate speed readings or engine performance anomalies. Diagnostic procedures may include checking the alignment and condition of the ring, inspecting the sensor for damage or debris, and verifying the integrity of the electrical connections. Regular maintenance practices, such as cleaning the ring and sensor and inspecting for wear, contribute to its longevity and reliable operation.

Cummins 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 is committed to innovation and sustainability in the automotive industry. Its extensive product portfolio includes a wide range of components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles.

Cummins Engine Compatibility with Speed Indicator Ring Part 4916798

The Speed Indicator Ring part 4916798, manufactured by Cummins, is designed to be compatible with a range of Cummins engines. This part is integral to the operation of the engine’s tachometer, ensuring accurate speed readings for the operator.

Compatible Engines

• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM2350 K144G
• QSK19 CM850 MCRS

Grouping by Series

The engines listed can be grouped based on their series and model numbers:

• QSK19 CM2350 Series

  • QSK19 CM2350 K105
  • QSK19 CM2350 K114
  • QSK19 CM2350 K144G

• QSK19 CM850 Series

  • QSK19 CM850 MCRS

QSK19 CM2350 Series

The QSK19 CM2350 series engines, including the K105, K114, and K144G variants, are high-performance diesel engines designed for various applications such as marine, construction, and power generation. The Speed Indicator Ring part 4916798 is engineered to fit seamlessly within these engines, ensuring precise and reliable speed indication.

QSK19 CM850 Series

The QSK19 CM850 MCRS engine is another variant in the Cummins lineup, known for its robust performance and efficiency. The Speed Indicator Ring part 4916798 is also compatible with this engine, providing the same level of accuracy and reliability in speed readings as seen in the QSK19 CM2350 series.

Installation and Usage

When installing the Speed Indicator Ring part 4916798, it is crucial to follow the manufacturer’s guidelines to ensure proper fit and function. This part is designed to interface with the engine’s tachometer system, providing real-time data on engine speed, which is vital for both performance monitoring and maintenance purposes.

Maintenance Considerations

Regular maintenance of the Speed Indicator Ring is essential to ensure continued accuracy and reliability. Cummins recommends periodic inspection and replacement of the ring if any wear or damage is detected. Proper maintenance will help prolong the lifespan of the part and ensure the engine operates at optimal efficiency.

Conclusion

The Cummins 4916798 Speed Indicator Ring plays a significant role in the monitoring and regulation of engine performance. Its compatibility with various Cummins engines ensures accurate speed indication and overall performance. Understanding its function, benefits, and maintenance requirements is essential for technicians and fleet managers to maintain optimal engine performance and efficiency.