3936260
Rear Cover
Cummins®

The Cummins 3936260 Rear Cover is a critical component in the engine assembly of heavy-duty trucks. It protects and encloses the rear section of the engine, ensuring the integrity and efficiency of the engine’s operation. This part is essential for maintaining the performance and reliability of heavy-duty truck engines.

Purpose and Function

The Cummins 3936260 Rear Cover provides a protective enclosure for the rear components of the engine. It maintains the structural integrity of the engine by shielding sensitive parts from external contaminants and environmental factors. Additionally, the Rear Cover ensures proper sealing and containment of engine fluids, which is vital for the engine’s operation and longevity ¹.

Key Features

The Cummins 3936260 Rear Cover is designed with several key features that enhance its performance and durability. It is constructed from high-quality materials that offer resistance to wear and corrosion. The design includes precise sealing mechanisms to prevent leaks and ensure that engine fluids remain contained. Unique design elements such as reinforced sections and optimized contours contribute to the Rear Cover’s ability to withstand the rigors of heavy-duty applications ³.

Benefits

The Cummins 3936260 Rear Cover offers several advantages that contribute to the overall performance and efficiency of the engine. Enhanced engine protection is provided through its robust construction and sealing capabilities. Improved durability ensures that the Rear Cover can withstand the demanding conditions of heavy-duty truck operations. Additionally, the Rear Cover contributes to engine efficiency by maintaining proper fluid levels and preventing contamination, which can lead to engine wear and reduced performance ².

Installation Process

Proper installation of the Cummins 3936260 Rear Cover is crucial for ensuring its effectiveness and the overall performance of the engine. The installation process involves careful alignment of the Rear Cover with the engine housing, followed by securing it with the appropriate torque specifications. It is important to follow manufacturer guidelines to ensure that the Rear Cover is installed correctly and functions as intended. Precautions such as cleaning the mating surfaces and inspecting gaskets for damage should be taken to prevent installation issues ³.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the Cummins 3936260 Rear Cover. This includes periodic inspections for signs of wear, damage, or leaks. Common issues such as gasket failure or misalignment can be addressed through routine checks and timely replacements. Diagnostic tips and troubleshooting procedures should be followed to identify and resolve any problems that may arise, ensuring that the Rear Cover continues to provide effective protection and sealing ³.

Manufacturer - Cummins

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its high-quality engine components and commitment to innovation. With a rich history of producing reliable and efficient engine parts, Cummins has established a strong reputation for excellence. The company’s dedication to producing durable and high-performing components is evident in the design and construction of the Cummins 3936260 Rear Cover, reflecting Cummins’ ongoing commitment to quality and customer satisfaction.

Cummins Rear Cover 3936260 Compatibility

The Cummins Rear Cover part number 3936260 is designed to fit a variety of Cummins engines, ensuring a secure and efficient seal at the rear of the engine. This part is crucial for maintaining engine integrity and preventing leaks. Below is a detailed breakdown of the engines that are compatible with this rear cover:

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines are part of the B Series, which are known for their robust design and reliability. The rear cover 3936260 is specifically engineered to fit these engines, providing a snug fit that ensures optimal performance and longevity.

B3.9 G, B4.5, B5.9 G, and B5.9 GAS PLUS CM556 Engines

These engines are part of the B Series as well, with the G and GAS PLUS variants indicating specific configurations. The rear cover 3936260 is compatible with these engines, ensuring a proper seal and maintaining the engine’s operational efficiency.

G5.9 and G5.9 CM558 Engines

The G5.9 and G5.9 CM558 engines are part of the G Series, which are designed for heavy-duty applications. The rear cover 3936260 fits these engines perfectly, providing the necessary sealing and structural support.

ISB CM550, ISB CM850, and ISB5.9G CM2180 Engines

The ISB Series engines, including the CM550, CM850, and CM2180 variants, are known for their versatility and performance. The rear cover 3936260 is designed to fit these engines, ensuring a secure and efficient seal.

QSB3.9 30 CM550, QSB5.9 30 CM550, QSB5.9 44 CM550, and QSB5.9 CM2880 B115 Engines

The QSB Series engines, including the 30 and 44 variants, are designed for a range of applications, from agricultural to industrial use. The rear cover 3936260 is compatible with these engines, providing the necessary sealing and structural integrity.

By ensuring that the rear cover 3936260 is correctly installed, engine performance and reliability are maintained, preventing potential leaks and ensuring the engine operates efficiently.

Role of Part 3936260 Rear Cover in Engine Systems

The part 3936260 Rear Cover is an integral component in the assembly and operation of various engine systems. It interfaces directly with the flywheel housing, providing a sealed enclosure that protects internal components from contaminants and ensures the integrity of the engine’s operating environment.

When installed, the Rear Cover aligns with the housing to create a secure attachment point for the flywheel. This alignment is essential for the proper functioning of the flywheel, which plays a key role in storing rotational energy and smoothing out the power delivery from the engine.

In conjunction with the short block, the Rear Cover helps to maintain the structural rigidity of the engine. The short block, which includes the crankshaft, pistons, and cylinders, relies on the Rear Cover to provide additional support and stability. This support is vital for withstanding the forces generated during engine operation.

Overall, the Rear Cover serves as a foundational element that enhances the durability and efficiency of the engine system by ensuring all interconnected components operate within a protected and stable environment.

Conclusion

The Cummins 3936260 Rear Cover is a vital component in the engine assembly of heavy-duty trucks. Its purpose is to protect and enclose the rear section of the engine, ensuring the integrity and efficiency of the engine’s operation. The Rear Cover is designed with key features that enhance its performance and durability, offering several benefits that contribute to the overall performance and efficiency of the engine. Proper installation, regular maintenance, and understanding its role in engine systems are crucial for ensuring the longevity and optimal performance of this part.