The C4.4 engine fan pulley 284-1026 is a crucial component in Caterpillar C4.4 engines, used to transmit power to the fan assembly. This pulley is made of precision-machined high-strength alloy material, and its 8-groove design ensures stable belt engagement, guaranteeing fan speed and heat dissipation efficiency. Suitable for long-term high-temperature, high-load operating conditions, it is a key component for the stable operation of the engine cooling system and is widely used in excavators, generator sets, and other construction machinery.
Features and Advantages
• Precise Transmission: The 8-groove design ensures tight belt engagement, reducing slippage.
• High-Strength Material: Wear-resistant and corrosion-resistant, suitable for continuous high-load environments.
• Standard Size: Easy installation; can directly replace original parts.
• Ensuring Heat Dissipation: Maintains stable fan operation and improves engine cooling efficiency.





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Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: If I only know the excavator model, but can not offer parts No., what should I do?
A2: If possible, you can send us pictures of old products, name plate or the size for reference.
Q3: Can you accept sample order?
A3: Yes sure. We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q4: Do you test all your goods before delivery?
A4: Yes, we have 100% test before delivery.
Q5: How can I do if there is something wrong with the items?
A5: Our products have been professionally tested and the quality is very stable. If you really found something wrong, please contacts. We have a professional after-sales team to help you solve the problem.