China HITACHI EX200-2-3 CRANKSHAFT PULLEY (OEM IS 5123712051) | Tonkee®

The crankshaft pulley is typically constructed from high-quality materials like cast iron or steel, which provide the necessary durability and strength to withstand the rigors of heavy-duty construction equipment operation.

Its design includes a grooved or ribbed outer surface, which accommodates the drive belts that power the various accessories.

Function:
The primary function of the crankshaft pulley is to transmit rotational energy generated by the engine's crankshaft to other engine accessories through a system of belts. These accessories are essential for the overall operation and performance of the excavator. The alternator, for example, charges the battery and provides electrical power to the machine, while the water pump ensures that the engine remains at the optimal operating temperature by circulating coolant. Additionally, the air conditioning compressor is responsible for cooling the cabin during hot weather conditions.

Compatibility:
The Hitachi EX200-2-3 crankshaft pulley is specifically designed to fit the Hitachi EX200-2 and EX200-3 excavators. It is an OEM (Original Equipment Manufacturer) part, which means it is manufactured by Hitachi or a certified supplier to meet the exact specifications and quality standards required for these machines. This ensures a precise fit and reliable performance, reducing the risk of compatibility issues or premature wear.

Installation:
Replacing a crankshaft pulley requires technical expertise and should ideally be performed by qualified mechanics or technicians.

It involves disassembling parts of the engine, removing the old pulley, and installing the new one with proper tensioning of the belts. Incorrect installation can lead to performance issues or even engine damage, emphasizing the importance of professional installation.

Maintenance and Lifespan:
The crankshaft pulley, like any other engine component, requires regular inspection and maintenance to ensure optimal performance and longevity. This includes checking for signs of wear, such as cracks or belt grooves, and replacing the pulley if necessary. Routine maintenance helps prevent unexpected breakdowns and costly repairs.

Cost and Availability:
The cost of a Hitachi EX200-2-3 crankshaft pulley can vary depending on factors like the supplier, location, and condition (new or used). It is advisable to source this component from authorized Hitachi dealers or reputable aftermarket suppliers to ensure product quality and authenticity. Availability is generally good due to the widespread use of Hitachi excavators in the construction industry.

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