104087
Tachometer Drive Shaft
Cummins®

Introduction

The Cummins 104087 Tachometer Drive Shaft is a component designed for use in commercial trucks. It serves a specific function within the vehicle’s tachometer system, contributing to the monitoring and display of engine speed. This part is significant for ensuring that drivers and fleet managers have accurate information about engine performance, which is vital for maintaining operational efficiency and safety ¹.

Basic Concepts of Tachometer Drive Shafts

A Tachometer Drive Shaft is a mechanical component that transmits rotational motion from the engine to the tachometer. This shaft plays a role in the tachometer system by converting the engine’s rotational speed into an electrical signal, which is then displayed on the tachometer. Accurate monitoring of engine speed is important for various aspects of vehicle operation, including performance assessment, fuel efficiency, and maintenance scheduling ².

Purpose and Role in Truck Operation

The Cummins 104087 Tachometer Drive Shaft is engineered to interface directly with the truck’s engine and tachometer. Its role is to provide a precise measurement of the engine’s rotational speed, which is displayed on the vehicle’s dashboard. This information allows drivers to make informed decisions regarding gear changes, load management, and overall driving strategy, contributing to efficient and safe truck operation.

Key Features

The Cummins 104087 Tachometer Drive Shaft is characterized by several key features that enhance its performance and durability. These include a robust material composition designed to withstand the harsh conditions of commercial truck environments, precision engineering for accurate speed readings, and a design that ensures compatibility with Cummins engines. These features collectively contribute to the shaft’s reliability and longevity.

Benefits of Using Cummins 104087 Tachometer Drive Shaft

Utilizing the Cummins 104087 Tachometer Drive Shaft offers several advantages. It provides improved accuracy in engine speed readings, which is important for optimal truck performance. Its durable construction ensures long-term reliability, reducing the need for frequent replacements. Additionally, the precise engineering of this component contributes to overall vehicle efficiency and safety ³.

Installation Process

Installing the Cummins 104087 Tachometer Drive Shaft requires careful attention to detail. The process involves disconnecting the old drive shaft, aligning the new shaft with the engine and tachometer, and securing it in place. Tools such as wrenches and screwdrivers may be required, and safety precautions, including disconnecting the battery and wearing protective gear, should be observed throughout the installation.

Troubleshooting Common Issues

Common issues with the Cummins 104087 Tachometer Drive Shaft may include inaccurate speed readings or mechanical failures. Troubleshooting steps can involve checking the alignment and connection of the shaft, inspecting for wear or damage, and ensuring that the tachometer is functioning correctly. Addressing these issues promptly can help maintain the accuracy and reliability of engine speed readings.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 104087 Tachometer Drive Shaft, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the shaft and its connections to remove dirt and debris, and ensuring that all connections are secure. Adhering to these maintenance practices can help prevent issues and ensure accurate engine speed readings.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and focus on technological advancement make it a preferred choice for commercial vehicle operators worldwide.

Role of Part 104087 Tachometer Drive Shaft in Engine Systems

The Tachometer Drive Shaft, part number 104087, is an integral component in various engine systems, facilitating the accurate measurement and display of engine speed. Its role is particularly significant in systems involving the tachometer, which relies on the drive shaft to transmit rotational speed data from the engine to the tachometer.

In systems equipped with an Auto Fuel Pump & Drive, the Tachometer Drive Shaft aids in monitoring engine performance, ensuring that the fuel pump operates efficiently in response to engine demands. This is especially relevant in setups where the Fuel Pump & Calibration is critical for maintaining optimal fuel delivery.

When integrated with a Fuel Pump & Calibration Code, the drive shaft ensures that the tachometer readings are consistent with the calibrated settings, allowing for precise adjustments and maintenance of the fuel system. Similarly, in systems using a Fuel Pump @ Cal Code or Fuel Pump and Cal Code, the drive shaft’s accurate transmission of engine speed data is essential for the calibration process.

In scenarios involving a Fuel Pump Dummy Option or Fuel Pump Hardware, the Tachometer Drive Shaft provides necessary feedback on engine speed, which can be used for diagnostic purposes or to fine-tune the fuel pump’s performance.

For engines utilizing an Over-Speed Drive Shaft or Over-Speed Stop Drive, the Tachometer Drive Shaft plays a role in preventing engine over-speeding by providing real-time data to the over-speed protection system.

In conjunction with a Pressure-Time Fuel Pump, the drive shaft ensures that the pump’s operation is synchronized with the engine’s speed, enhancing fuel delivery precision.

When paired with a Lever Throttle Kit or Lloyds Spares, the Tachometer Drive Shaft contributes to the overall engine management system by providing accurate speed data, which is vital for throttle response and engine control.

Conclusion

In summary, the Tachometer Drive Shaft, part 104087, is a key component in various engine systems, ensuring that tachometer readings are accurate and reliable. This, in turn, supports the efficient operation and maintenance of fuel pumps, calibration systems, and other engine components.