5255740
Lubricating Oil Drain Tube
Cummins®

The Lubricating Oil Drain Tube, part number 5255740, manufactured by Cummins, is a critical component designed for the maintenance of heavy-duty trucks. This tube facilitates the efficient drainage of lubricating oil from the engine, ensuring that the oil can be effectively removed during maintenance procedures. Cummins, a renowned manufacturer in the industry, produces this part to meet the demanding requirements of heavy-duty applications.

Function and Operation

The Lubricating Oil Drain Tube operates as a conduit within the engine system, specifically designed to allow the smooth and controlled drainage of lubricating oil. When maintenance requires the oil to be changed, this tube provides a pathway for the oil to exit the engine. Its design ensures that the drainage process is efficient, minimizing the risk of spills and ensuring that the oil is directed to a collection point for proper disposal or recycling.

Key Features

This Cummins part is constructed from materials chosen for their durability and resistance to the harsh conditions within an engine environment. Its design incorporates features that enhance its performance, such as a secure fitting mechanism that ensures a tight seal within the engine system, preventing leaks. The tube’s material characteristics also contribute to its longevity, allowing it to withstand the temperature variations and chemical exposure typical in heavy-duty truck engines.

Benefits

Utilizing the Lubricating Oil Drain Tube offers several advantages. It contributes to improved engine longevity by ensuring that old or contaminated oil is efficiently removed from the engine, allowing for the introduction of fresh lubricant. This process is vital for maintaining engine health and performance ¹. Additionally, the tube’s design facilitates ease of maintenance, making oil changes a more straightforward process. Efficient oil drainage is another benefit, as the tube’s construction ensures that oil is directed away from the engine compartment, reducing the risk of contamination and facilitating a cleaner work environment.

Maintenance and Troubleshooting

Regular maintenance of the Lubricating Oil Drain Tube is important to ensure its continued efficient operation. This includes checking for signs of wear or damage, ensuring that the tube is securely fitted, and verifying that there are no obstructions in the drainage path. Common issues may include leaks or blockages, which can often be identified by observing the oil drainage process. Basic troubleshooting steps involve inspecting the tube for physical damage, ensuring that all connections are secure, and clearing any obstructions that may impede the flow of oil.

Manufacturer Information

Cummins is a renowned manufacturer with a significant history in the production of diesel engines and related components. The company has established a reputation for quality and reliability in the industry, offering a wide range of products designed for heavy-duty applications. Their commitment to innovation and customer satisfaction has made them a preferred choice among professionals in the automotive and trucking sectors.

Cummins Lubricating Oil Drain Tube (Part 5255740) Compatibility

The Cummins Lubricating Oil Drain Tube, identified by part number 5255740, is designed to fit a range of Cummins engines. This part is integral to the oil management system, ensuring that the engine’s oil is drained properly, which is crucial for maintaining engine health and performance.

ISB Series Engines

The ISB CM2150, ISB6.7 CM2250, and ISB6.7 CM2350 B101 engines are part of the ISB series, which are known for their robust design and efficiency. The lubricating oil drain tube is engineered to fit seamlessly with these engines, facilitating the efficient removal of used oil from the engine’s sump. This ensures that the oil is replaced with fresh oil during routine maintenance, thereby maintaining the engine’s lubrication system integrity.

QSB Series Engines

The QSB6.7 CM2250, QSB6.7 CM2350 B105, and QSB6.7 M CM2250 engines are part of the QSB series, which are designed for heavy-duty applications. The lubricating oil drain tube for these engines is specifically designed to handle the higher demands placed on the oil system in these applications. The tube’s design ensures that it can withstand the rigors of heavy-duty use, providing a reliable means of oil drainage and contributing to the overall durability and performance of the engine.

Compatibility Summary

The Cummins Lubricating Oil Drain Tube part number 5255740 is compatible with the following engines:

• ISB CM2150
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 M CM2250

This part is a critical component in the oil management system of these engines, ensuring that the oil is drained effectively, which is essential for maintaining engine health and performance.

Role of Part 5255740 Lubricating Oil Drain Tube in Engine Systems

The lubricating oil drain tube, identified by part number 5255740, is an essential component in maintaining the efficiency and longevity of engine systems. This component is integral to the proper functioning of the breather and crankcase systems.

In the breather system, the lubricating oil drain tube facilitates the removal of excess oil that may accumulate during the ventilation process. As the breather allows air to enter and exit the crankcase to equalize pressure, it also helps in expelling contaminants and moisture. The drain tube ensures that any oil carried over during this process is efficiently directed away, preventing oil buildup that could otherwise lead to inefficiencies or damage.

Within the crankcase system, the lubricating oil drain tube plays a significant role in maintaining oil levels and cleanliness. The crankcase collects oil that has lubricated the engine’s moving parts and needs to be periodically drained to prevent contamination and ensure optimal lubrication. The drain tube provides a controlled pathway for this oil to be removed, allowing for regular maintenance and ensuring that the crankcase does not become overfilled, which could result in oil leaks or reduced engine performance.

Overall, the lubricating oil drain tube is a key component in the seamless operation of these engine systems, contributing to the overall health and efficiency of the engine ².

Conclusion

The Lubricating Oil Drain Tube, part number 5255740, is a vital component in the maintenance and operation of heavy-duty truck engines. Its design and construction ensure efficient oil drainage, contributing to engine longevity and performance. Regular maintenance and proper use of this part are essential for the optimal functioning of the engine’s oil management system.