3004907
Injector Tappet
Cummins®

Introduction

The Cummins Injector Tappet 3004907 is a component designed for use in Cummins engines, specifically within the fuel injection system. Its purpose is to facilitate the precise operation of fuel injectors, ensuring that fuel is delivered to the engine cylinders at the correct time and in the appropriate quantity. This part plays a role in the overall performance and efficiency of heavy-duty trucks, contributing to their reliability and operational effectiveness ¹.

Basic Concepts of Injector Tappets

Injector tappets, also known as lifters, are mechanical components found in internal combustion engines. They serve as intermediaries between the camshaft and the fuel injectors or valves. By translating the rotational motion of the camshaft into linear motion, injector tappets enable the opening and closing of injectors or valves at precise moments during the engine cycle. This interaction is important for maintaining the engine’s performance and efficiency ⁴.

Role of the 3004907 Injector Tappet in Truck Operation

The 3004907 Injector Tappet is integral to the fuel injection system of Cummins engines. It ensures that fuel injectors operate with the necessary precision, contributing to the engine’s performance and efficiency. By maintaining the correct timing and force of fuel injection, this tappet helps optimize combustion, leading to improved power output and fuel economy. Its role is particularly significant in heavy-duty applications, where engine performance and efficiency are paramount ².

Key Features of the 3004907 Injector Tappet

The 3004907 Injector Tappet is characterized by its robust design and the use of high-quality materials, which enhance its durability and performance. It features precision engineering to ensure accurate fuel injection timing and force. Additionally, its design may include features that reduce friction and wear, contributing to its longevity and reliability in demanding operating conditions ³.

Benefits of Using the 3004907 Injector Tappet

Utilizing the 3004907 Injector Tappet offers several advantages. It contributes to improved engine performance by ensuring precise fuel injection, which is vital for optimal combustion. This precision can lead to enhanced fuel efficiency and reduced emissions, offering potential cost savings for fleet operators. Moreover, the reliability and durability of the 3004907 Injector Tappet can reduce maintenance requirements and downtime, further contributing to operational efficiency ¹.

Installation and Compatibility

Proper installation of the 3004907 Injector Tappet is crucial for ensuring its effective operation and the overall performance of the engine. It is designed to be compatible with specific Cummins engine models, ensuring a precise fit and function within the engine’s fuel injection system. Adherence to manufacturer guidelines during installation is recommended to maintain the integrity of the engine’s performance ³.

Maintenance and Troubleshooting

Regular maintenance of the 3004907 Injector Tappet is important for ensuring its continued reliable operation. This includes periodic inspections for signs of wear or damage, as well as cleaning or replacement as necessary. Common issues may include irregular fuel injection, which can manifest as engine performance issues. Troubleshooting typically involves checking the tappet’s fit and function within the engine, as well as ensuring that all related components are in good condition ⁴.

Performance Enhancements

The 3004907 Injector Tappet contributes to overall engine performance by enabling precise fuel injection. This precision enhances combustion efficiency, leading to improvements in fuel efficiency, power output, and emissions reduction. Its role in the fuel injection system is a key factor in the engine’s ability to meet performance and efficiency standards in heavy-duty applications ².

Historical Development

The evolution of injector tappet technology has seen significant advancements, leading to the development of models like the 3004907. These advancements have focused on improving precision, durability, and efficiency in fuel injection systems. The 3004907 Injector Tappet represents a culmination of these efforts, offering enhanced performance and reliability in Cummins engines ⁴.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a strong reputation in the heavy-duty truck industry, Cummins is known for its commitment to innovation, quality, and customer satisfaction. The company’s extensive product range and technological advancements have established it as a leader in the industry, making parts like the 3004907 Injector Tappet significant components in their engine systems ³.

Compatibility of the Cummins Injector Tappet 3004907

The Cummins Injector Tappet 3004907 is designed to fit seamlessly within several engine models. This part is integral to the operation of the fuel injection system, ensuring precise control over the timing and delivery of fuel to the engine’s cylinders.

V903 and VTA903 Engines

The Injector Tappet 3004907 is specifically engineered to integrate with the V903 and VTA903 engines. These engines, known for their robust performance and reliability, benefit from the precision and durability of this tappet. The tappet’s design ensures that it can withstand the high pressures and temperatures typical of these engines, maintaining its functionality over extended periods.

CM2250 V105 Engine

Similarly, the CM2250 V105 engine is another model that is compatible with the Cummins Injector Tappet 3004907. This engine, often utilized in heavy-duty applications, requires a tappet that can deliver consistent and reliable performance. The 3004907 tappet meets these demands, providing the necessary precision to ensure optimal engine operation.

Grouping of Engines

When considering the compatibility of the Injector Tappet 3004907, it is useful to group the engines based on their shared characteristics and requirements. The V903 and VTA903 engines, while distinct, share a common architecture that allows for the use of the same tappet. This commonality simplifies maintenance and part replacement, as technicians can use a single part across multiple engine models.

The CM2250 V105 engine, while different in some respects, also benefits from the precision and reliability of the 3004907 tappet. This engine’s design and operational parameters align well with the capabilities of the tappet, ensuring that it can perform effectively within this engine as well.

By understanding the compatibility of the Cummins Injector Tappet 3004907 with these engines, technicians and operators can ensure that their engines maintain optimal performance and longevity ³.

Understanding the Role of Part 3004907 Injector Tappet in Engine Systems

The Injector Tappet, identified by part number 3004907, is a component within the fuel injection system of an engine. Its primary function is to facilitate the precise movement of the injector assembly tappet, ensuring that fuel is delivered to the combustion chamber at the optimal time and in the correct quantity.

When integrated into the cylinder block, the Injector Tappet works in conjunction with the base parts to maintain the structural integrity and operational efficiency of the engine. The tappet’s movement is influenced by the RKR (Rocker Arm) lever ratio conversion, which adjusts the force applied to the injector. This conversion is vital for achieving the desired fuel injection pressure and timing.

In performance parts applications, the Injector Tappet is often included in tappet kits designed to enhance engine efficiency and power output. These kits are engineered to work seamlessly with the existing injector assembly, ensuring that the tappet’s motion is smooth and consistent.

The Injector Tappet’s role extends beyond mere movement; it is a key element in the synchronization of the fuel injection process with the engine’s overall operation. By ensuring that the injector assembly tappet moves with precision, the Injector Tappet contributes to the engine’s performance, reliability, and longevity ⁴.

Conclusion

The Cummins Injector Tappet 3004907 is a critical component in the fuel injection system of Cummins engines, ensuring precise fuel delivery and contributing to engine performance and efficiency. Its robust design, compatibility with specific engine models, and the benefits it offers in terms of performance and maintenance make it a valuable part for heavy-duty applications. Understanding its role, features, and proper maintenance can lead to enhanced engine operation and longevity.