3008759
Governor Tube
Cummins®

Introduction

The Governor Tube 3008759 by Cummins is a critical component in the operation of heavy-duty trucks, ensuring efficient and reliable engine performance under various load conditions. This part is essential for maintaining the balance between fuel delivery and engine speed, contributing to the vehicle’s overall performance and longevity.

Basic Concepts of Governor Tubes

A governor tube is a vital component within the engine’s fuel system, regulating engine speed and performance. It works in conjunction with other parts of the fuel injection system to modulate the amount of fuel delivered to the engine based on the load and demand. By controlling the fuel supply, the governor tube helps maintain a consistent engine speed, which is essential for the efficient operation of heavy-duty trucks ¹.

Purpose of the 3008759 Governor Tube

The 3008759 Governor Tube is designed to maintain consistent engine speed under varying load conditions. It achieves this by adjusting the fuel delivery to the engine in response to changes in load or demand. This ensures that the engine operates within its optimal performance range, enhancing both efficiency and reliability.

Key Features

The 3008759 Governor Tube is characterized by its precision engineering and robust construction. It is made from high-quality materials that ensure durability and reliability in demanding applications. The design of the tube includes features that enhance its performance, such as precise calibration and robust construction, which contribute to its effectiveness in regulating engine speed and fuel delivery.

Benefits

The advantages provided by the 3008759 Governor Tube include improved fuel efficiency, enhanced engine performance, and increased reliability. By ensuring that the engine operates within its optimal range, this component helps to maximize fuel efficiency and reduce wear on the engine. Additionally, its precise regulation of fuel delivery contributes to smoother operation and increased reliability in heavy-duty applications ².

Installation and Compatibility

Proper installation of the 3008759 Governor Tube is crucial for ensuring optimal performance and compatibility with Cummins engines. It is important to follow the manufacturer’s guidelines for installation, including any specific requirements or considerations to ensure that the tube functions correctly within the engine’s fuel system.

Troubleshooting and Maintenance

Identifying common issues related to the 3008759 Governor Tube can be achieved through regular inspection and diagnostic procedures. Maintenance practices, such as cleaning and inspecting the tube for wear or damage, can help ensure its longevity and reliable operation. Addressing issues promptly can prevent more significant problems and contribute to the overall efficiency and reliability of the engine.

Cummins Overview

Cummins Inc. is a leader in the heavy-duty truck industry, known for its commitment to quality and innovation. The company offers a wide range of products, including engines, filtration, emissions, and power generation technologies. Cummins’ reputation for producing reliable and high-performance components is built on a history of excellence and a dedication to advancing the technology of the industries it serves.

Governor Tube Compatibility with Cummins Engines

The Governor Tube part number 3008759, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral to the engine’s operation, as it plays a crucial role in regulating engine speed and maintaining performance.

K-Series Engines

• K19
• K38
• K50

The Governor Tube 3008759 is compatible with the K-Series engines, including the K19, K38, and K50. These engines are known for their durability and efficiency, often used in heavy-duty applications.

KTA19GC

The KTA19GC engine also accommodates the Governor Tube 3008759. This engine is part of the KTA series, which is designed for industrial and marine applications, providing robust performance and reliability.

N-Series Engines

• N14 MECHANICAL

The Governor Tube 3008759 fits the N14 MECHANICAL engine. This engine is a staple in the medium-duty segment, known for its balance of power and efficiency.

NH/NT Series Engines

• NH/NT 855

The Governor Tube 3008759 is also suitable for the NH/NT 855 engines. These engines are part of the NH/NT series, which is designed for a range of applications, from construction to agricultural use, offering versatility and performance.

V-Series Engines

• V28

The Governor Tube 3008759 is compatible with the V28 engine. This engine is part of the V-Series, which is known for its high power output and reliability, often used in demanding applications.

Role of Part 3008759 Governor Tube in Engine Systems

The 3008759 Governor Tube is an essential component in various engine systems, working in conjunction with several other parts to ensure optimal engine performance.

In systems involving the coupling and fuel pump, the Governor Tube plays a significant role in regulating the fuel supply. It interfaces with the fuel pump and governor assembly, allowing for precise control over fuel delivery to the engine. This regulation is vital for maintaining consistent engine speed and power output.

The Governor Tube is also integral to the operation of the electronic governor systems. In these setups, it communicates with the electronic control unit to adjust the fuel flow based on the engine’s load and speed requirements. This interaction ensures that the engine operates efficiently under varying conditions.

In systems with the Woodward 2301 Governor and Woodward 2301A Governor, the Governor Tube is part of a mechanical linkage that controls the fuel rack position. This control is essential for the governor to maintain the desired engine speed, especially in applications where electronic controls are not used.

The lubricating oil tube mounting also benefits from the presence of the Governor Tube. Proper lubrication is necessary for the smooth operation of the governor mechanism, and the Governor Tube helps in directing the oil flow to the critical moving parts within the governor assembly.

Lastly, in the W/W Governor Assembly, the Governor Tube works alongside other components to provide a stable and responsive governing system. This assembly often includes various springs, levers, and damping mechanisms, all of which rely on the Governor Tube for accurate fuel modulation.

Overall, the Governor Tube is a key component in ensuring that the governor system functions correctly, providing the necessary adjustments to fuel flow to maintain engine performance across different operating conditions.

Conclusion

The 3008759 Governor Tube by Cummins is a vital component for maintaining efficient and reliable engine performance in heavy-duty trucks. Its precise engineering, robust construction, and compatibility with various Cummins engines make it an essential part of the fuel system. Regular maintenance and proper installation are crucial for ensuring the longevity and optimal performance of this component.