4979720
Lubricating Oil Pump
Cummins®

The Cummins 4979720 Lubricating Oil Pump is a vital component in heavy-duty truck engines, contributing to optimal engine performance and longevity. This pump ensures that engine components receive the necessary lubrication to operate efficiently and reliably.

Basic Concepts of Lubricating Oil Pumps

Lubricating oil pumps are designed to circulate oil throughout an engine, providing a continuous supply of lubrication to moving parts. This process reduces friction, minimizes wear, and helps dissipate heat. Proper lubrication is fundamental to the longevity and efficiency of engine components, ensuring they function smoothly under various operating conditions ¹.

Purpose and Function of the 4979720 Lubricating Oil Pump

This Cummins part plays a specific role in the operation of heavy-duty trucks by maintaining a consistent flow of oil to critical engine components. This ensures that parts such as bearings, pistons, and camshafts are adequately lubricated, which contributes to engine efficiency and reliability. The pump’s design allows it to handle the high demands of heavy-duty applications, providing the necessary lubrication to support robust engine performance ².

Key Features

The 4979720 is constructed with durable materials to withstand the rigors of heavy-duty use. Its pump mechanism is engineered for precision and reliability, ensuring consistent oil flow. Notable characteristics include a robust design that enhances performance and longevity, making it suitable for demanding applications ³.

Benefits of Using the 4979720 Lubricating Oil Pump

Utilizing this part offers several advantages. It provides improved engine lubrication, which reduces friction between moving parts. This can lead to enhanced durability and potentially better fuel efficiency. The pump’s reliable performance helps maintain engine health, contributing to overall vehicle efficiency and longevity.

Installation and Compatibility

When installing the Lubricating Oil Pump, it is important to follow specific guidelines to ensure proper integration with the engine system. Compatibility with various Cummins engine models should be verified to ensure optimal performance. Adhering to manufacturer recommendations during installation will help maintain the pump’s efficiency and reliability.

Maintenance and Troubleshooting

Regular maintenance of the 4979720 is crucial for ensuring its optimal performance and longevity. This includes routine checks for leaks, proper oil levels, and the condition of the pump components. Common troubleshooting techniques involve inspecting for signs of wear or damage and addressing any issues promptly to prevent further complications.

Performance and Efficiency

The 4979720 significantly impacts overall engine performance and efficiency. Proper lubrication provided by the pump contributes to smoother engine operation and reduced wear on components. This results in more reliable engine performance and can lead to extended engine life.

Cummins Corporation

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its high-quality engine components and systems. With a strong reputation for innovation and reliability, Cummins continues to deliver products that meet the demanding requirements of heavy-duty applications. Their commitment to excellence is evident in the design and performance of components like the 4979720.

Cummins Lubricating Oil Pump Part 4979720 Compatibility

The Cummins lubricating oil pump part number 4979720 is a critical component designed to ensure the smooth operation of various engine models. This part is engineered to fit seamlessly within the engine architecture, providing essential lubrication to moving parts and maintaining optimal engine performance.

V28 Engines

The Cummins V28 engine series is renowned for its robust design and high performance, often used in heavy-duty applications. The lubricating oil pump part 4979720 is specifically designed to integrate with the V28 engine, ensuring that all critical components receive the necessary lubrication. This compatibility is crucial for maintaining engine longevity and efficiency, especially under demanding conditions.

Grouping of Compatible Engines

While the primary focus here is on the V28 engines, it is important to note that the Cummins lubricating oil pump part 4979720 is also compatible with other engine models within the Cummins lineup. This part’s design allows it to fit various engine configurations, ensuring a broad range of applications.

For instance, the part is also compatible with other V-type engines that share similar design principles and lubrication requirements. This versatility makes it a valuable component for technicians and fleet managers who need to maintain a wide range of Cummins engines.

Role of Part 4979720 Lubricating Oil Pump in Engine Systems

The lubricating oil pump, identified by part number 4979720, is integral to the efficient operation of engine systems. It is responsible for circulating lubricating oil throughout the engine, ensuring that all moving parts receive adequate lubrication. This circulation is essential for reducing friction, minimizing wear, and maintaining optimal engine performance.

In the context of an engine kit, the lubricating oil pump works in conjunction with the oil pan, which serves as the reservoir for the lubricating oil. The pump draws oil from the pan and pressurizes it before distributing it to various engine components. This pressurized oil is directed through passages and galleries within the engine block and cylinder heads, reaching critical areas such as the crankshaft, camshaft, pistons, and valve train.

The on-board spares system may include a secondary lubricating oil pump or related components to ensure redundancy and reliability. In such systems, the primary pump (part 4979720) operates continuously, while the secondary pump stands ready to activate in the event of a failure, thereby maintaining lubrication and preventing engine damage.

Overall, the lubricating oil pump is a fundamental component that supports the longevity and efficiency of engine systems by ensuring consistent and reliable oil circulation.

Conclusion

The Cummins 4979720 Lubricating Oil Pump is a critical component for maintaining the performance and longevity of heavy-duty truck engines. Its role in circulating oil to engine components ensures reduced friction, minimized wear, and optimal engine performance. Proper installation, regular maintenance, and understanding its compatibility with various engine models are essential for maximizing the benefits of this part.