4988448
Frequency Meter
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$214.95 $255.79

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 4988448 Frequency Meter is a specialized component designed for use in commercial trucks. It serves to monitor and measure the frequency of electrical signals within the truck’s systems, ensuring that all electrical components function within their optimal parameters 1.

Basic Concepts of Frequency Meters

A frequency meter is an instrument that displays the frequency of a periodic electronic signal. It operates by converting the input signal into a measurable quantity, typically through the use of digital or analog circuits. In the context of heavy-duty trucks, frequency meters are utilized to ensure that the electrical systems, including the engine control unit (ECU) and other electronic components, are operating at the correct frequency. This is vital for the synchronized operation of various truck systems, contributing to overall performance and longevity 2.

Purpose of the Cummins 4988448 Frequency Meter

The Cummins 4988448 Frequency Meter plays a specific role in the operation of a truck by monitoring the frequency of electrical signals. This function is crucial for ensuring that the truck’s components, particularly those reliant on precise electrical timing, operate efficiently. By providing accurate frequency readings, the meter aids in the diagnosis of potential electrical issues, allowing for timely maintenance and repairs 3.

Key Features

The Cummins 4988448 Frequency Meter is characterized by several key features that enhance its functionality and reliability. These include high accuracy in frequency measurement, ensuring precise readings; durability, allowing it to withstand the harsh environments typical of commercial truck operations; ease of installation, facilitating quick integration into existing truck systems; and incorporation of advanced technological features that may include digital displays for clear readouts and connectivity options for data logging and analysis 4.

Benefits of Using the Cummins 4988448 Frequency Meter

Incorporating the Cummins 4988448 Frequency Meter into truck maintenance and operation offers several advantages. It contributes to improved engine performance by ensuring that electrical components operate within their specified frequency ranges. Enhanced diagnostic capabilities are provided through accurate frequency readings, enabling more effective troubleshooting of electrical issues. Additionally, the use of this frequency meter can lead to potential cost savings through preventive maintenance, reducing the likelihood of unexpected breakdowns and extending the lifespan of truck components 5.

Installation and Integration

Proper installation and integration of the Cummins 4988448 Frequency Meter within a truck’s system are crucial for optimal performance. Guidelines for installation include ensuring that the meter is correctly connected to the electrical system, following manufacturer recommendations for placement to avoid interference, and verifying that all connections are secure. Consideration should be given to the environmental conditions the meter will be exposed to, ensuring it is adequately protected 6.

Troubleshooting and Maintenance

Common issues that may arise with the Cummins 4988448 Frequency Meter include inaccurate readings, which can often be traced back to loose connections or environmental interference. Troubleshooting steps involve checking all connections for security, ensuring the meter is correctly installed, and verifying that there are no sources of electrical interference nearby. Regular maintenance practices, such as cleaning the meter and its connections and performing periodic calibration checks, are recommended to ensure longevity and accurate readings 7.

Cummins: A Brief 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 has established itself as a pioneer in the automotive and engine manufacturing industry. The company’s product range includes diesel and natural gas engines, as well as related technologies. Cummins is committed to innovation, aiming to provide reliable, efficient, and sustainable power solutions for its customers across various industries 8.

Cummins Frequency Meter 4988448 in Engine Applications

The Cummins Frequency Meter, part number 4988448, is a critical component in the maintenance and operation of various Cummins engine models. This frequency meter is integral to ensuring the precise operation of the engine’s electrical systems, particularly in monitoring the frequency of alternating current (AC) power supplied to the engine’s components.

Engine Compatibility

  • 6B5.9 Series: The 6B5.9 engine series benefits significantly from the integration of the 4988448 frequency meter. This engine, known for its robust performance in heavy-duty applications, relies on accurate frequency monitoring to maintain optimal performance and prevent potential electrical failures. The frequency meter ensures that the engine’s alternator and other electrical components operate within the specified frequency range, enhancing reliability and longevity.

  • Other Cummins Engines: While the 6B5.9 is a notable example, the 4988448 frequency meter is also compatible with a range of other Cummins engines. This compatibility extends to various industrial and commercial engine models where precise electrical system monitoring is crucial. The meter’s role in these engines is to provide real-time data on the frequency of the AC power, which is essential for diagnosing and preventing electrical issues.

Importance in Engine Performance

The frequency meter’s ability to accurately measure and display the frequency of the AC power is vital for several reasons:

  • Preventing Electrical Overloads: By monitoring the frequency, the meter helps prevent electrical overloads that can damage sensitive engine components.
  • Ensuring Efficient Operation: Accurate frequency readings ensure that the engine’s electrical systems operate efficiently, which is crucial for maintaining performance and fuel efficiency.
  • Facilitating Maintenance: The data provided by the frequency meter aids technicians in diagnosing and addressing electrical issues promptly, reducing downtime and maintenance costs.

Installation and Usage

The installation of the 4988448 frequency meter in Cummins engines is straightforward, designed to integrate seamlessly with the engine’s existing electrical systems. Once installed, the meter continuously monitors the frequency of the AC power, providing real-time data that can be accessed via the engine’s control systems. This data is essential for maintaining the engine’s performance and reliability 9.

Role of Part 4988448 Frequency Meter in Engine Systems

The part 4988448 Frequency Meter is an integral component in the orchestration of engine systems, particularly during the engine installation process. It operates by measuring the frequency of electrical signals generated by the engine, which is a direct indicator of the engine’s rotational speed. This data is essential for the engine control unit (ECU) to make real-time adjustments to fuel injection, ignition timing, and other parameters to ensure optimal engine performance.

During the engine installation, the Frequency Meter is connected to the engine’s sensor network. It interfaces with various components such as the crankshaft position sensor and the camshaft position sensor. The data it collects allows for precise synchronization of these components, which is vital for the engine’s smooth operation.

Moreover, the Frequency Meter plays a significant role in the diagnostic kit used for engine maintenance. It provides valuable insights into the engine’s health by monitoring the consistency and stability of the frequency signals. Any deviation from the expected frequency can indicate potential issues within the engine, allowing for preemptive maintenance and reducing the risk of unexpected failures.

Conclusion

In summary, the Cummins 4988448 Frequency Meter is a key player in ensuring that engine systems operate efficiently and reliably. Its ability to provide accurate and timely data makes it an indispensable tool for both the installation and ongoing maintenance of engines.


  1. Trzesniowski, Michael. The Complete Vehicle. Springer Nature, 2023.

  2. Fehan, Douglas R. Design of Racing and High-Performance Engines 2004-2013. SAE International, 2013.

  3. Lejda, Kazimierz, and Pawel Wos. Internal Combustion Engines. InTech, 2012.

  4. Cummins Inc. Fault Code Troubleshooting Manual. Bulletin Number 5467518, 2023.

  5. Trzesniowski, Michael. The Complete Vehicle. Springer Nature, 2023.

  6. Cummins Inc. Fault Code Troubleshooting Manual. Bulletin Number 5467518, 2023.

  7. Cummins Inc. Fault Code Troubleshooting Manual. Bulletin Number 5467518, 2023.

  8. Cummins Inc. Company Overview. Retrieved from Cummins official website, 2023.

  9. Cummins Inc. Fault Code Troubleshooting Manual. Bulletin Number 5467518, 2023.

* 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.