Here are the components involved in the fan belt system and their typical locations on a Caterpillar C15 engine:

The Cat C15 engine does have a single, universal fan belt diagram. The routing depends entirely on the accessory configuration (type of fan clutch, alternator location, presence of AC compressor, etc.) and the chassis application (On-Highway truck vs. Industrial).

Depress the tensioner again and slip the belt into the final groove. Ensure the ribs are perfectly aligned in every pulley track. Maintenance Tip: Check the Tensioner

Crank → Fan → Alternator → Tensioner → back to Crank

The Caterpillar C15 is a popular heavy-duty diesel engine used in various applications, including trucks, construction equipment, and generators. The engine's fan belt, also known as the serpentine belt, plays a crucial role in driving essential engine components, such as the alternator, water pump, and fan.