The Carter 329 excavator, as a widely used heavy machinery and equipment, has a pivotal position in the engineering field. Its fuel consumption performance is one of the core issues that many users are concerned about. According to the official data and the test results of actual working conditions, the average fuel consumption of the Carter 329 excavator is about 25 liters per hour under standard operating conditions, and the conversion into tons of measurement needs to be calculated according to the diesel density (usually 0.84kg/L), after conversion, it can roughly be obtained that the diesel fuel consumption per hour is about 21 kg, that is, 0.021 tons. However, please note that the actual fuel consumption will be affected by a variety of factors, such as operating technology, operating environment, and the degree of new equipment, so this value is for reference only. In order to deeply understand and optimize the fuel efficiency of the Carter 329 excavator, it is necessary not only to pay attention to its basic fuel consumption parameters, but also to combine scientific and reasonable operating habits and regular maintenance. For the owner or operator of the excavator, reducing the cost of fuel consumption through refined management can undoubtedly effectively improve the economic benefits. In summary, the fuel consumption of the Carter 329 excavator is not fixed, but needs to be comprehensively considered in multiple dimensions to achieve the optimal fuel efficiency. Further exploring the energy-saving technology and practical strategies of the Carter 329 excavator will help us better understand and grasp the actual operating costs of this equipment, so that we can make informed decisions.