The Carter excavator is a high-performance construction machinery and equipment, and its working performance is closely related to a number of factors, one of which is the appropriate control of the engine water temperature. In normal operation, the water temperature of the Carter excavator should be maintained in an ideal range to ensure that the machine can operate efficiently, stably and durably. Generally speaking, the water temperature of the Carter excavator should be maintained between 80°C-95°C, which is recognized as the ideal operating temperature range. Too high can cause the engine to overheat, affecting oil lubrication and potentially causing damage to internal engine parts, while too low can cause inadequate fuel combustion, increase fuel consumption and can corrode components by forming water vapor condensation on the cylinder walls. To achieve this optimal water temperature, operators need to regularly check the coolant condition to ensure that the cooling system is leak-free, and adjust the operating mode of the cooling fan according to the ambient temperature and workload. At the same time, the use of the original recommended coolant and regular maintenance and replacement are also important means to ensure that the water temperature of the Carter excavator is always in the appropriate range. In summary, for Carter excavators, accurate control of water temperature is not only related to the efficiency of the equipment, but also the key to prolonging the service life of the machinery, therefore, reasonable monitoring and regulation of water temperature is one of the tasks that every excavator user should pay attention to.