3009339
Throttle Kit
Cummins®

Introduction

The Cummins 3009339 Throttle Kit is a component designed for use in commercial trucks. It plays a role in the operation of these vehicles by managing the airflow to the engine, which directly influences engine performance and fuel efficiency. Understanding its function and importance can help fleet managers and technicians maintain optimal truck operation.

Basic Concepts of Throttle Kits

A throttle kit is an assembly that controls the airflow into an engine. It typically includes components such as the throttle body, linkage, and associated sensors. The throttle body regulates the amount of air entering the engine, which, when combined with fuel, determines the engine’s power output. The kit’s role is to ensure precise control over this airflow, allowing for efficient engine operation under varying load conditions ¹.

Purpose of the Cummins 3009339 Throttle Kit

This Cummins part is specifically engineered to enhance the operation of trucks equipped with Cummins engines. It plays a role in modulating the airflow to the engine, which impacts both performance and fuel efficiency. By providing accurate throttle control, the kit helps in achieving better engine responsiveness and smoother operation, which are important for the demanding conditions commercial trucks often face.

Key Features

The 3009339 Throttle Kit is characterized by its robust design and the use of high-quality materials. It incorporates advanced technological features such as electronic throttle control, which allows for more precise management of engine airflow. The kit is also designed to be durable, ensuring long-term reliability in harsh operating environments.

Benefits

Installing this Cummins part offers several advantages. It contributes to improved engine responsiveness, allowing for quicker acceleration and better handling of varying loads. Additionally, the kit can enhance fuel economy by optimizing the air-fuel mixture. These improvements can lead to increased overall truck performance and reduced operating costs ².

Installation Process

Installing the 3009339 Throttle Kit requires careful attention to detail. The process involves disconnecting the old throttle assembly, installing the new kit, and ensuring all connections are secure. Tools such as wrenches and screwdrivers are typically required. Following the manufacturer’s instructions ensures proper fitting and function, which is vital for the kit’s performance and the engine’s reliability.

Troubleshooting and Maintenance

Common issues with the 3009339 Throttle Kit may include throttle response problems or sensor malfunctions. Regular maintenance, such as cleaning the throttle body and checking sensor connections, can help prevent these issues. Diagnostic tools can be used to identify problems, and following the manufacturer’s maintenance schedule will help prolong the kit’s lifespan and ensure optimal performance.

Performance Impact

The installation of the 3009339 Throttle Kit can lead to noticeable changes in a truck’s performance. It may result in increased power output and torque, as well as improved driving dynamics. These enhancements can be particularly beneficial in applications where trucks are required to operate under heavy loads or in challenging conditions ³.

Cummins 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 a strong reputation in the commercial truck industry for producing reliable and high-performance engines. The company’s product range includes a variety of engine sizes and configurations, designed to meet the diverse needs of the transportation sector.

Compatibility

The 3009339 Throttle Kit is designed to be compatible with a range of Cummins engines, ensuring a precise fit and optimal performance. This throttle kit is engineered to work seamlessly with the following engines:

K19 and K38 Engines

The K19 and K38 engines, both part of Cummins’ lineup, benefit from the 3009339 throttle kit. This compatibility ensures that the throttle kit can be easily integrated into these engines, providing a reliable and efficient solution for maintaining or upgrading the throttle system.

K50 Engine

The Cummins K50 engine is another model that is compatible with the 3009339 throttle kit. This compatibility is important for users of the K50 engine, as it allows for a straightforward installation process and ensures that the throttle system operates smoothly and efficiently.

Grouping for Compatibility

When considering the compatibility of the Cummins Throttle Kit 3009339, it is important to note that the K19 and K38 engines share similar design characteristics, making them suitable for the same throttle kit. This grouping simplifies the selection process for users who operate either of these engines, as they can confidently choose the 3009339 throttle kit knowing it will fit both models.

The K50 engine, while distinct from the K19 and K38, is also compatible with the 3009339 throttle kit. This compatibility extends the usability of the throttle kit across a broader range of Cummins engines, providing flexibility and convenience for engine operators.

Role of 3009339 Throttle Kit in Engine Systems

The 3009339 Throttle Kit is designed to integrate seamlessly with various engine components, enhancing their functionality and performance. When installed, this kit works in conjunction with the following systems:

• Accessories: The Throttle Kit ensures that all connected accessories receive a consistent flow of power. This is particularly important for systems that require precise control over engine speed, such as hydraulic pumps or generator sets.

• Electric Starting: Integration with the electric starting system allows for smoother engine startups. The Throttle Kit helps maintain optimal RPMs during the starting phase, reducing strain on the starter motor and battery.

• Morse MK Single Control: For engines equipped with the Morse MK Single Control, the Throttle Kit provides enhanced responsiveness. This results in better control over the engine’s throttle, allowing for more precise adjustments during operation.

• Morse MK Twin Control: When used with the Morse MK Twin Control, the Throttle Kit facilitates synchronized operation of dual engines. This is essential for applications where balanced power output is required, such as in marine environments.

• Morse Twin S Control: The Throttle Kit also complements the Morse Twin S Control system by offering fine-tuned throttle management. This is particularly beneficial in scenarios where rapid changes in engine speed are necessary, ensuring both engines operate in harmony.

In each of these applications, the 3009339 Throttle Kit plays a significant role in optimizing engine performance, ensuring that all connected systems operate efficiently and reliably.

Conclusion

The Cummins 3009339 Throttle Kit is a vital component for enhancing the performance and efficiency of commercial trucks equipped with Cummins engines. Its robust design, advanced features, and compatibility with various engine models make it a valuable asset for fleet managers and technicians. By ensuring precise throttle control, this part contributes to improved engine responsiveness, fuel economy, and overall truck performance. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.