The Carter excavator is one of the heavy machinery and equipment, and the calculation of its refueling cost involves several factors. First of all, we need to consider the model and specifications of the Carter excavator, different models of excavators have different fuel tank capacities, which directly affects the amount of refueling and cost. Secondly, oil price fluctuations are also an important factor in determining the amount of fuel charges, which needs to be calculated in combination with real-time oil prices. In addition, the work efficiency, work intensity and fuel consumption performance of the excavator will also affect the frequency of refueling and the total cost. For example, a large Carter 320D excavator has a fuel tank capacity of about 500 liters, and if the current diesel price is 6 yuan/liter, then the cost of refueling a full tank is about 3,000 yuan. However, in actual operation, the refueling fee of Carter excavator still needs to be accurately calculated according to the specific use. In terms of optimizing equipment management to reduce refueling costs, regular maintenance can improve the fuel efficiency of excavators, so as to effectively control refueling costs. At the same time, choosing high-quality diesel and arranging the operation time reasonably to avoid unnecessary idling loss is also an effective way to save refueling costs. To sum up, for users of Carter excavators, it is necessary to understand and pay attention to the components of refueling costs and implement refined management in order to accurately grasp and control the refueling costs of each Carter excavator. To sum up, the consideration of 'Carter excavator refueling cost' involves core points such as model specifications, fuel tank capacity, real-time oil price, work efficiency, fuel consumption performance and equipment maintenance, etc., and a comprehensive grasp of this information will help to budget and control refueling costs more scientifically.