84.5 inch serpentine belt

While timing chains are more durable, they do have their drawbacks. They tend to be heavier, which can increase the overall weight of the engine. Additionally, timing chains can be noisier than belts, leading to some engine noise which may be undesirable for certain drivers. They also require regular maintenance, as they need to be properly lubricated, and if they become loose over time, they can affect engine performance and lead to premature wear.


timing belt timing chain

timing

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Cummins engines, renowned for their durability and performance, utilize a series of belts to facilitate various functions. The most common types of belts found in these engines include the serpentine belt and the accessory drive belt. These belts connect different components of the engine, including the alternator, power steering pump, water pump, and air conditioning compressor. By transferring power from the engine's crankshaft to these essential systems, belts ensure that all parts work harmoniously to provide reliable performance.


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