XB00017316 High-Quality Excavator Parts Hydraulic Oil Radiator for EX1200

The part number XB00017316 is a specialized part number for Hitachi's original hydraulic oil radiator. This component is the core component of the hydraulic excavator cooling system, responsible for cooling the high-temperature oil generated by the hydraulic system to normal operating temperature, ensuring the stable operation of the system. According to the general compatibility information of Hitachi excavator accessories, this radiator is widely compatible with multiple medium-sized hydraulic excavators in the Hitachi ZX series (ZAXIS), with typical applicable models including ZX200-3, ZX210-3, ZX240-3, ZX270-3, ZX330-3, etc. In the aftermarket, this component is often directly referred to as the "Hitachi excavator hydraulic oil cooler" or "hydraulic oil radiator assembly".

The hydraulic oil radiator is an air-cooled or water-cooled plate fin heat exchanger, whose core function is to efficiently exchange heat with high-temperature hydraulic oil through forced flow of cold air (air-cooled) or coolant (water-cooled), reducing the oil temperature from a high temperature that may exceed 100 ℃ to the ideal working range of 50-85 ℃ required by the system, thereby preventing the oil from deteriorating due to high temperature oxidation, aging of seals, and deterioration of accuracy and wear of hydraulic components caused by thermal expansion. Advanced models can also integrate temperature sensor interfaces or bypass valves to achieve intelligent temperature control. Its performance is directly related to the operational efficiency of the entire machine and the service life of hydraulic components.

The maintenance core of this radiator is to maintain cleanliness, ensure sealing, and monitor efficiency. Pay close attention to the hydraulic oil temperature display on the dashboard. If the oil temperature continues to rise abnormally (such as exceeding 90 ℃), check whether the radiator is blocked, whether the fan speed is normal, or whether the coolant circulation is good. Sealing and leakage treatment: Regularly inspect the oil pipe joints and the radiator itself for any signs of oil leakage. If a leak is found, it is necessary to tighten or replace the sealing ring in a timely manner. Replacement timing: When the radiator core undergoes physical deformation, weld cracking, severe blockage of internal oil passages (ineffective cleaning), or a significant decrease in heat dissipation efficiency (small temperature difference between inlet and outlet) after testing, the assembly needs to be replaced.