178629
V Belt
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$149.95 $178.44

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 178629 V Belt is a component designed for use in heavy-duty truck operations. It plays a role in the efficient functioning of various truck systems by transmitting power from the engine to essential accessories. Understanding its purpose and significance is fundamental for maintaining optimal truck performance.

Basic Concepts of V Belts

V belts are a type of belt drive mechanism characterized by their trapezoidal cross-section. This design allows them to fit snugly into matching grooves on pulleys, enhancing grip and efficiency in power transmission 1. Unlike flat belts, V belts offer greater frictional contact, which translates to more effective power transfer with less slippage. They are commonly used in automotive and industrial applications due to their reliability and efficiency in driving multiple accessories simultaneously.

Role of the 178629 V Belt in Truck Operation

This Cummins part plays a role in the operation of a truck by driving several key accessories. These include the alternator, which charges the battery and powers electrical systems; the water pump, which circulates coolant through the engine to manage temperature; and the power steering pump, which assists in steering by providing hydraulic pressure. The efficient operation of these components is integral to the overall performance and reliability of the truck.

Key Features of the 178629 V Belt

This Cummins part is distinguished by several key features that enhance its performance and longevity. It is constructed from high-quality materials that offer durability and resistance to wear. The belt’s design includes enhancements such as a reinforced core and specialized coatings that improve grip and reduce the likelihood of slippage. These features contribute to the belt’s ability to withstand the demanding conditions of heavy-duty truck operations.

Benefits of Using the 178629 V Belt

Utilizing this Cummins part offers several advantages. It provides improved efficiency in power transmission, ensuring that accessories receive the necessary power to function optimally. The belt’s reliability is enhanced by its durable construction and design features, which minimize the risk of failure. Additionally, its compatibility with Cummins engines ensures seamless integration and performance, making it a preferred choice for heavy-duty truck applications.

Installation Considerations

Proper installation of this Cummins part is crucial for ensuring optimal performance and longevity. Guidelines for installation include ensuring the belt is correctly tensioned to prevent slippage and maintain efficient power transmission. Alignment with pulleys must be precise to avoid uneven wear and potential damage. Following manufacturer recommendations for tension and alignment will help achieve the best results.

Maintenance and Troubleshooting

Maintaining this Cummins part involves regular inspection for signs of wear, such as cracks or fraying, and ensuring it remains clean and free from debris. Replacement schedules should be adhered to based on usage and condition. Troubleshooting common issues such as slippage, wear, and noise may involve checking tension, alignment, and the condition of pulleys and accessories. Addressing these issues promptly can prevent more significant problems and ensure continued reliable operation.

Manufacturer - Cummins

Cummins Inc. is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a history of producing reliable and high-performance components, Cummins has established a reputation for excellence. The company’s dedication to advancing technology and meeting the needs of its customers underscores its position as a leader in the industry.

V Belt Part 178629 Compatibility with Cummins Engines

The V Belt part number 178629, manufactured by Cummins, is designed to fit a variety of Cummins engines, ensuring efficient power transmission and reliable operation. This belt is engineered to meet the specific requirements of Cummins’ engine designs, providing durability and performance.

V28 Engines

For V28 engines, the V Belt part 178629 is a critical component that ensures the smooth operation of various engine accessories. These engines, known for their robust design and high performance, require a belt that can handle the demands of continuous operation under heavy loads. The part 178629 is meticulously crafted to fit the precise dimensions and specifications of V28 engines, ensuring a perfect alignment and optimal performance.

Grouped Engines

In addition to the V28 engines, the V Belt part 178629 is also compatible with other Cummins engines that share similar design characteristics and operational requirements. These engines benefit from the belt’s precise engineering, which includes:

  • High tensile strength: To withstand the forces exerted during engine operation.
  • Heat resistance: To maintain performance under high-temperature conditions.
  • Durability: To ensure a long service life and reduce the need for frequent replacements.

By using the V Belt part 178629, engine operators can expect reliable performance and efficient power transmission across these engines.

Role of Part 178629 V Belt in Engine Systems

The V Belt, specifically part 178629, is an essential component in the efficient operation of various engine systems. It is responsible for transmitting power from the engine to multiple auxiliary components, ensuring they function correctly.

Belt Tensioning Arrangement

The V Belt works in conjunction with the belt tensioning arrangement to maintain the appropriate tension. This arrangement typically includes a tensioner pulley and a spring mechanism. The tensioner ensures that the V Belt remains taut, which is necessary for efficient power transmission and to prevent slippage. Proper tension is vital for the longevity of the V Belt and the reliable operation of the driven components.

Drive System

In the drive system, the V Belt connects the crankshaft to various engine accessories. These accessories may include the alternator, water pump, and air conditioning compressor. The V Belt’s ribbed design allows it to grip the pulleys effectively, transferring rotational force from the engine to these components. This ensures that each accessory receives the necessary power to function correctly.

Fan and Fan Drive Arrangement

The V Belt also plays a significant role in the fan and fan drive arrangement. The engine-driven fan is responsible for cooling the engine by drawing air through the radiator. The V Belt connects the engine to the fan, allowing it to rotate in sync with the engine’s operation. In some setups, the fan drive arrangement includes a viscous or electric clutch, which can disengage the fan when cooling is not required, reducing parasitic load on the engine. The V Belt ensures that the fan operates efficiently under all conditions, contributing to the overall thermal management of the engine.

Conclusion

The Cummins 178629 V Belt is a critical component in the operation of heavy-duty trucks and Cummins engines. Its design and features ensure efficient power transmission, reliable performance, and compatibility with a variety of engine systems. Proper installation, maintenance, and understanding of its role in engine systems are essential for maximizing the benefits of this part.


  1. Nunney, MJ. Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann, 2007.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
30.0 x 4.0 x 1.0 in
Weight
0.817 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.