4941503
Cd,multi-li systach/speed
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$11.95 $14.22

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Cummins 4941503 CD Multi-Line System Tachometer/Speedometer is a sophisticated instrument designed for commercial trucks. It provides essential data on engine speed and vehicle velocity, contributing to the efficient and safe operation of these vehicles. This device is integral to the monitoring and management of truck performance, offering drivers and fleet managers valuable insights into engine and vehicle status 1.

Basic Concepts

Tachometers and speedometers are fundamental instruments in any vehicle, measuring engine speed (RPM) and vehicle velocity, respectively. The Cummins 4941503 CD Multi-Line System enhances these basic functions by integrating advanced technology for more comprehensive data display. This system uses multiple lines to present various data points simultaneously, allowing for a more detailed and immediate understanding of the vehicle’s operational status 2.

Functionality

The Cummins 4941503 CD Multi-Line System Tachometer/Speedometer operates through a combination of sensors and electronic processing units. It gathers data from the engine and transmission, processing this information to display engine speed, vehicle speed, and other relevant metrics. The multi-line display capability allows for the simultaneous presentation of multiple data points, enhancing the driver’s situational awareness and decision-making capabilities 3.

Purpose and Role in Truck Operation

In the operation of a commercial truck, the 4941503 CD Multi-Line System Tachometer/Speedometer plays a significant role. It aids in monitoring engine performance by providing real-time data on engine speed, which is crucial for maintaining optimal engine operation. Additionally, it displays vehicle speed, helping drivers adhere to speed limits and operate within safe parameters. The system also contributes to the monitoring of other critical parameters, enhancing overall vehicle management.

Key Features

The Cummins 4941503 CD Multi-Line System Tachometer/Speedometer boasts several key features. Its multi-line display capability allows for the presentation of multiple data points at once, improving the driver’s access to information. The system is designed for accuracy, ensuring reliable data for both engine and vehicle monitoring. Durability is another notable feature, with the device built to withstand the rigors of commercial truck operation. Additionally, it integrates seamlessly with other vehicle systems, enhancing its functionality and utility.

Benefits

Using the Cummins 4941503 CD Multi-Line System Tachometer/Speedometer offers several benefits. It improves driver awareness by providing comprehensive and immediate data on engine and vehicle status. This enhanced awareness contributes to safer driving practices. The system also aids in better fuel efficiency monitoring, as drivers can adjust their driving habits based on real-time data. Furthermore, the device simplifies diagnostics, making it easier to identify and address potential issues.

Installation and Integration

Installing the Cummins 4941503 CD Multi-Line System Tachometer/Speedometer in a commercial truck requires careful consideration of compatibility with the specific truck model. The system is designed to integrate with existing vehicle systems, ensuring a seamless addition to the truck’s instrumentation. Proper installation is crucial for optimal performance and accurate data display.

Troubleshooting and Maintenance

For troubleshooting common issues with the Cummins 4941503 CD Multi-Line System Tachometer/Speedometer, it is advisable to consult the manufacturer’s guidelines. Regular maintenance, including checking connections and ensuring the device is free from dust and debris, is recommended to maintain optimal performance and longevity.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality and customer satisfaction, Cummins plays a significant role in the automotive and commercial vehicle industry. The company’s products, including the 4941503 CD Multi-Line System Tachometer/Speedometer, are designed with a focus on reliability, performance, and integration into various vehicle systems.

Compatibility with Cummins Engines

The 4941503 tachometer/speedometer is compatible with several Cummins engine models, including:

  • QSB5.9 CM850
  • QSB6.7 M CM2250
  • QSC8.3 CM850 (CM2850)
  • QSM11 CM570

These engines, while differing in specifications and applications, share a common requirement for precise monitoring of engine parameters. The 4941503 part is designed to meet this need across these models, ensuring that operators and maintenance personnel have access to critical data regardless of the engine in use.

Integration and Functionality

The integration of the 4941503 tachometer/speedometer with the listed Cummins engines involves a straightforward installation process. The part is engineered to connect with the engine’s electronic control unit (ECU) and other relevant sensors, allowing it to display real-time data such as engine speed, coolant temperature, and fuel consumption.

For the QSB5.9 CM850 and QSB6.7 M CM2250, the tachometer/speedometer provides essential insights into engine performance, helping to maintain efficiency and prevent potential issues. Similarly, for the QSC8.3 CM850 (CM2850) and QSM11 CM570, the part ensures that operators have a comprehensive view of the engine’s operational status, facilitating timely interventions and reducing downtime.

Reliability and Performance

The 4941503 tachometer/speedometer is built to withstand the demanding conditions of engine operation. Its robust design and high-quality materials ensure longevity and reliability, making it a trusted component for both commercial and industrial applications. The part’s compatibility with multiple engine models underscores its versatility and the breadth of its utility in the Cummins engine ecosystem.

Role of Part 4941503 CD Multi-Line System Tachometer/Speedometer in Engine Systems

The part 4941503 CD Multi-Line System Tachometer/Speedometer is an integral component within the engine instrument panel, providing essential data to both the engineer and the operator. This system is designed to display real-time engine performance metrics, including rotational speed (RPM) and vehicle speed, which are vital for monitoring and maintaining optimal engine operation.

Integration with Engine Instrument Panel

When installed within the engine instrument panel, the tachometer/speedometer offers a comprehensive view of the engine’s current state. The tachometer measures the RPM of the engine, allowing for precise control during various operational phases. This information is particularly important during startup, load changes, and shutdown procedures, ensuring that the engine operates within safe parameters.

The speedometer component, on the other hand, provides data on the vehicle’s speed, which is essential for navigation and performance assessment. This dual-function display allows for a more integrated approach to engine management, reducing the need for multiple instruments and streamlining the data presentation.

Enhanced Monitoring Capabilities

The multi-line system capability of part 4941503 allows for the simultaneous display of multiple data points, enhancing the monitoring process. Engineers can quickly assess engine performance and make informed decisions based on the displayed metrics. This feature is particularly beneficial in complex engine systems where multiple variables need to be considered concurrently.

Improved Diagnostic Efficiency

In diagnostic scenarios, the tachometer/speedometer plays a significant role. By providing immediate feedback on engine RPM and vehicle speed, it aids in the rapid identification of performance issues. Engineers can correlate changes in these metrics with other system behaviors, facilitating a more efficient troubleshooting process.

Support for Maintenance Scheduling

Regular monitoring of engine RPM and vehicle speed through part 4941503 assists in maintaining scheduled maintenance routines. By tracking these metrics over time, engineers can predict potential issues before they escalate, allowing for proactive maintenance and reducing the likelihood of unexpected downtime.

Contribution to Overall System Efficiency

The integration of part 4941503 within the engine instrument panel contributes to the overall efficiency of the engine system. By providing accurate and timely data, it supports better decision-making, enhances operational safety, and promotes a more responsive maintenance strategy. This, in turn, leads to improved engine performance and longevity.

Conclusion

The Cummins 4941503 CD Multi-Line System Tachometer/Speedometer is a vital component in the operation and maintenance of commercial trucks. Its advanced features, compatibility with various Cummins engines, and integration capabilities make it an indispensable tool for ensuring optimal engine performance and vehicle safety. The system’s ability to provide real-time data on engine and vehicle status enhances driver awareness, supports efficient maintenance practices, and contributes to overall system efficiency.


  1. Hilgers, Michael. Electrical Systems and Mechatronics, Second Edition. Springer Vieweg, 2023.

  2. Bonneau, Dominique, Aurelian Fatu, and Dominique Souchet. Internal Combustion Engine Bearings Lubrication in Hydrodynamic Bearings. Wiley-ISTE, 2014.

  3. Brown Jr, Andrew. Technologies and Approaches to Reducing the Fuel Consumption of Medium and Heavy-Duty Vehicles. National Academy of Sciences, 2010.

* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.