4003299
Tachometer Gauge
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$379.95 $452.14

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 4003299 Tachometer Gauge is a specialized instrument designed for use in commercial trucks. It provides drivers with real-time information about the engine’s rotational speed, measured in revolutions per minute (RPM). This gauge plays a significant role in the operation of commercial trucks by allowing drivers to monitor engine performance and maintain optimal operating conditions.

Basic Concepts of Tachometer Gauges

A tachometer gauge is an instrument that measures and displays the rotational speed of an engine’s crankshaft. It operates by detecting the frequency of electrical pulses generated by the engine’s ignition system or other sensors. This measurement is crucial for vehicle operation as it allows drivers to gauge engine performance and adjust their driving habits accordingly. Accurate engine speed readings help in preventing over-revving, which can lead to engine damage, and ensure that the engine operates within its designed parameters 1.

Purpose of the Cummins 4003299 Tachometer Gauge

The Cummins 4003299 Tachometer Gauge serves to assist drivers in monitoring the engine’s performance. By providing a clear and accurate display of engine RPM, it enables drivers to make informed decisions about gear shifting, load management, and overall engine usage. This monitoring helps in maintaining optimal engine conditions, enhancing fuel efficiency, and prolonging the engine’s lifespan.

Key Features

The Cummins 4003299 Tachometer Gauge is characterized by its robust design and high build quality. It features a durable housing that can withstand the harsh conditions often encountered in commercial trucking. The gauge is equipped with a clear, easy-to-read display that provides precise RPM readings. Additionally, it may include unique characteristics such as backlighting for visibility in low-light conditions and a compact design that allows for easy integration into various truck dashboards.

Benefits

Utilizing the Cummins 4003299 Tachometer Gauge offers several advantages. It enhances engine monitoring capabilities, allowing for better management of engine performance. Drivers benefit from increased awareness of engine conditions, which can lead to more efficient driving practices. Furthermore, the gauge contributes to potential increases in fuel efficiency and the longevity of the engine by enabling drivers to operate the vehicle within optimal RPM ranges 2.

Installation and Integration

Proper installation of the Cummins 4003299 Tachometer Gauge involves securing it to the truck’s dashboard and connecting it to the engine’s electrical system. This process may require wiring adjustments to ensure compatibility with the truck’s existing systems. It is important to follow manufacturer guidelines to ensure accurate readings and reliable operation.

Troubleshooting and Maintenance

Common issues with the Cummins 4003299 Tachometer Gauge may include inaccurate readings or display malfunctions. Troubleshooting steps may involve checking electrical connections, ensuring the gauge is properly calibrated, and inspecting for any physical damage. Regular maintenance, such as cleaning the gauge and checking for loose connections, can help ensure its correct operation over time.

Safety Considerations

Accurate tachometer readings are vital for safe truck operation. A malfunctioning tachometer gauge can lead to incorrect engine speed readings, potentially resulting in engine damage or unsafe driving conditions. It is important to address any issues with the gauge promptly and ensure it is maintained in good working condition to mitigate these risks.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance truck components, Cummins has established a strong reputation among commercial truck operators. The company’s dedication to excellence is evident in its product line, including the Cummins 4003299 Tachometer Gauge, which embodies Cummins’ standards for durability, accuracy, and functionality.

Tachometer Gauge 4003299 Compatibility with Cummins Engines

The Tachometer Gauge 4003299, manufactured by Cummins, is designed to seamlessly integrate with a variety of Cummins engines, ensuring precise monitoring of engine speed. This tachometer gauge is engineered to provide reliable and accurate readings, which is crucial for maintaining optimal engine performance and preventing potential damage.

Compatibility with Specific Engine Models

  • 4B3.9, 6B5.9, 6C8.3 Engines: The Tachometer Gauge 4003299 is specifically designed to fit the 4B3.9, 6B5.9, and 6C8.3 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The tachometer ensures that operators can monitor the engine’s RPMs effectively, allowing for timely adjustments and maintenance.

  • K19, K38, K50 Engines: Similarly, the 4003299 tachometer gauge is compatible with the K19, K38, and K50 engines. These engines are also part of Cummins’ lineup, offering a range of power outputs suitable for various industrial and commercial applications. The gauge’s compatibility with these engines ensures that users can maintain precise control over engine operations, enhancing overall efficiency and longevity.

Installation and Usage

When installing the Tachometer Gauge 4003299, it is essential to follow the manufacturer’s guidelines to ensure proper fitment and functionality. The gauge should be securely mounted in a location where it is easily visible to the operator, typically on the dashboard or control panel. This placement allows for quick and easy monitoring of engine speed, which is critical for both performance and safety.

Importance of Accurate Tachometer Readings

Accurate tachometer readings are vital for several reasons:

  • Preventing Over-Revving: Monitoring engine speed helps prevent over-revving, which can lead to engine damage.
  • Optimizing Performance: Ensuring the engine operates within its optimal RPM range can improve fuel efficiency and performance.
  • Maintenance Alerts: Unusual fluctuations in RPM can indicate potential issues, allowing for proactive maintenance and repairs.

By providing precise and reliable engine speed data, the Tachometer Gauge 4003299 is an indispensable tool for operators of Cummins engines, ensuring that these powerful machines run smoothly and efficiently.

Role of Part 4003299 Tachometer Gauge in Engine Systems

The 4003299 Tachometer Gauge is an integral component within the engine instrument panel, providing essential data to both engineers and mechanics. This gauge is responsible for measuring the rotational speed of the engine’s crankshaft, commonly referred to as RPM (Revolutions Per Minute).

When integrated into the engine instrument panel, the tachometer gauge offers real-time feedback on engine performance. It allows for monitoring of the engine’s operational status, enabling timely adjustments and ensuring optimal performance. The gauge is connected to the engine’s ignition system, where it receives signals corresponding to the firing of each cylinder. These signals are then translated into RPM readings, which are displayed on the gauge.

In the broader context of the instrument panel, the 4003299 Tachometer Gauge works in conjunction with other gauges and indicators. For instance, it complements the speedometer, fuel gauge, and temperature gauge, providing a comprehensive overview of the engine’s condition. This synergy ensures that all critical parameters are monitored, facilitating proactive maintenance and enhancing the overall reliability of the engine system.

The data provided by the tachometer gauge is particularly valuable during diagnostics. By observing RPM fluctuations, engineers and mechanics can identify potential issues such as misfires, imbalanced engine components, or inefficiencies in the fuel delivery system. This information is instrumental in performing precise tuning and calibration, ultimately leading to improved engine performance and longevity 3.

Conclusion

The Cummins 4003299 Tachometer Gauge is a vital component for commercial truck operators, providing essential real-time data on engine performance. Its robust design, accurate readings, and compatibility with various Cummins engines make it an indispensable tool for maintaining optimal engine conditions, enhancing fuel efficiency, and prolonging engine lifespan. Proper installation, regular maintenance, and prompt troubleshooting are crucial for ensuring the gauge’s reliable operation and contributing to safe and efficient truck operation.


  1. Daniel Williams, Generalized Vehicle Dynamics, SAE International, 2022.

  2. John C Dixon, Tyres Suspension and Handling Second Edition, SAE International, 1996.

  3. Mohamed ElSayed PE, Fundamentals of Integrated Vehicle Realization, SAE International, 2017.

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SPECIFICATIONS

Package Dimensions
7.8 x 7.8 x 4.63 in
Weight
0.07 lbs
* 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.