3626788
Volt Ribbed Belt
Cummins®

The Cummins 3626788 Volt Ribbed Belt is a component designed for use in heavy-duty truck engines. Its purpose is to facilitate the transfer of power within the engine system, ensuring that various components operate efficiently. The significance of this belt in heavy-duty truck operations lies in its ability to enhance engine performance and reliability, contributing to the overall efficiency of the vehicle ¹.

Function and Operation

The Cummins 3626788 operates by transferring power from the engine’s crankshaft to other components such as the alternator, water pump, and power steering pump. This transfer is achieved through the belt’s ribbed design, which engages with corresponding pulleys on these components. As the crankshaft rotates, it drives the belt, which in turn rotates the pulleys connected to the various engine accessories. This mechanism ensures that these components receive the necessary power to function correctly ².

Key Features

This Cummins part features a ribbed design that provides increased surface area for better grip and power transmission. It is composed of durable materials that can withstand the high temperatures and stresses encountered in heavy-duty truck engines. Additionally, the belt may include special coatings or treatments to enhance its resistance to wear, heat, and chemical exposure, ensuring longevity and reliable performance ³.

Benefits

The Volt Ribbed Belt offers several advantages. Its design and material composition contribute to improved efficiency in power transmission, reducing the likelihood of slippage and ensuring consistent operation of engine accessories. The belt’s durability means it can withstand the demanding conditions of heavy-duty truck operations, leading to longer service intervals and reduced maintenance costs. Furthermore, the enhanced performance of the belt can contribute to overall engine efficiency and reliability.

Installation and Compatibility

Proper installation of the 3626788 is crucial for ensuring optimal performance. Installation guidelines may vary depending on the specific truck model and engine type. It is important to follow manufacturer recommendations for tensioning the belt to the correct specifications, as improper tension can lead to premature wear or failure. Additionally, ensuring that the belt is correctly aligned with the pulleys is essential for smooth operation and longevity.

Maintenance and Troubleshooting

Regular maintenance of the 3626788 is necessary to ensure optimal performance. This includes periodic inspections for signs of wear, cracking, or glazing, which can indicate that the belt needs replacement. Recommended replacement intervals may vary depending on the operating conditions and manufacturer guidelines. Troubleshooting common issues such as squealing noise or belt slippage involves checking for proper tension, alignment, and inspecting for damage to the belt or pulleys.

Performance Impact

The 3626788 plays a role in the overall performance of the truck by ensuring efficient power transmission to critical engine components. This efficiency can contribute to improved fuel economy, as the engine operates more smoothly and with less strain. Additionally, the reliability of the belt impacts engine reliability, as consistent power transmission to accessories like the alternator and water pump is vital for engine operation. Longevity of the belt also contributes to the truck’s overall durability and service life.

Manufacturer Information

Cummins Inc. is a well-established manufacturer with a reputation for quality and innovation in the automotive and heavy-duty truck components industry. The company has a history of developing reliable and high-performance parts, including the 3626788. Cummins’ commitment to quality is evident in their rigorous testing and quality control processes, ensuring that their products meet the demanding requirements of heavy-duty applications.

Volt Ribbed Belt 3626788 Compatibility with Cummins Engines

The Volt Ribbed Belt part number 3626788, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is essential for the proper functioning of the engine’s ancillary systems, ensuring that components such as the alternator, water pump, and air conditioning compressor operate efficiently.

ISM Series Engines

• ISM CM570
• ISM CM570/870
• QSM11 CM570

The ISM series engines, including the ISM CM570, ISM CM570/870, and QSM11 CM570, are designed for heavy-duty applications. The Volt Ribbed Belt 3626788 is compatible with these engines, providing the necessary drive for the alternator and other ancillary components.

K Series Engines

• K19
• K38
• K50

The K series engines, such as the K19, K38, and K50, are known for their versatility and reliability in various applications. The Volt Ribbed Belt 3626788 is engineered to fit these engines, ensuring smooth operation of the engine’s electrical and cooling systems.

KTA Series Engines

• KTA19GC

The KTA19GC engine is a high-performance engine used in a variety of industrial applications. The Volt Ribbed Belt 3626788 is designed to fit this engine, providing the necessary drive for the alternator and other ancillary systems.

M11 Series Engines

• M11 CELECT PLUS

The M11 CELECT PLUS engine is a robust and efficient engine designed for heavy-duty applications. The Volt Ribbed Belt 3626788 is compatible with this engine, ensuring that the alternator and other ancillary components function properly.

QSK Series Engines

• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS
• QSK45 CM500
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108
• QSK60 CM500
• QSK60 CM850 MCRS
• QSK60G
• QSK78 CM500

The QSK series engines, including the QSK38, QSK45, QSK50, QSK60, and QSK78, are designed for a wide range of applications, from construction to marine. The Volt Ribbed Belt 3626788 is compatible with these engines, ensuring that the alternator and other ancillary systems operate efficiently.

This belt is a critical component for maintaining the functionality of these engines, and its compatibility with such a wide range of Cummins engines highlights its versatility and importance in the engine’s overall performance.

Role of Part 3626788 Volt Ribbed Belt in Engine Systems

The Part 3626788 Volt Ribbed Belt is an essential component in the efficient operation of various engine systems. It is primarily responsible for transmitting rotational force from the engine’s crankshaft to multiple peripheral components, ensuring they function in harmony.

Alternator Operation

In the alternator system, the ribbed belt engages with the alternator pulley. This engagement allows the belt to drive the alternator, which in turn generates electrical power to charge the battery and power the vehicle’s electrical systems. Proper tension and alignment of the belt are necessary to maintain consistent alternator output and prevent slippage, which could lead to inefficient charging.

Auxiliary Cooling System

The ribbed belt also plays a significant role in the auxiliary cooling system. It drives the water pump, which circulates coolant through the engine to manage temperature. Efficient operation of the water pump is vital for preventing overheating and ensuring optimal engine performance. The belt’s ribbed design enhances grip and reduces the likelihood of belt failure under varying load conditions.

Drive and Mounting Systems

In drive systems, the ribbed belt connects to various pulleys mounted on the engine. These pulleys are part of the engine’s mounting system and are crucial for the operation of components like the power steering pump and air conditioning compressor. The belt’s design allows it to handle multiple drives simultaneously without excessive wear, contributing to the longevity of the engine’s auxiliary systems.

Integration with Engine Components

The integration of the Part 3626788 Volt Ribbed Belt with the engine’s components is designed to ensure smooth operation and durability. The belt must be correctly routed through the alternator location and alternator mounting points to avoid unnecessary stress on the belt or connected components. This careful routing helps maintain the balance and efficiency of the engine’s auxiliary systems.

Conclusion

In summary, the Part 3626788 Volt Ribbed Belt is a key element in the engine’s drive system, facilitating the operation of the alternator, auxiliary cooling system, and other critical components. Its proper installation and maintenance are essential for the reliable performance of these systems.