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Crankshaft Pulley Assembly - 4-Groove PTO Drive - S60 201.1D
Detroit Diesel

This crankshaft pulley assembly plays a vital role in the proper functioning of the engine's accessory drive system, especially for models equipped with a four-groove PTO drive and a 201 mm outer diameter. Crafted from durable iron, it offers reliable strength to withstand the high torque and rotational forces generated within the engine. The pulley’s V-groove design ensures a secure and efficient belt engagement, reducing slippage and enhancing power transfer to auxiliary components like the alternator, power steering pump, and air conditioning compressor. Its precise dimensions, including a 120 mm height and 12.70 mm groove width, contribute to optimal alignment and belt tension. The six bolt holes and 106.68 mm bolt circle diameter facilitate secure mounting to the crankshaft hub, ensuring stability during operation. The assembly’s robust construction and meticulous engineering make it a critical component for maintaining engine performance and longevity. For quality assurance, sourcing from Source One Parts Center is recommended, ensuring you receive a part that meets all factory specifications.