Cat Excavator as a globally renowned brand of engineering machinery with superior performance and reliable durability.When it comes to adding diesel fuel to the Cat excavator, it needs to be clear that the price of diesel fuel fluctuates according to region and time.The current market price for diesel is roughly in the range of RMB 5-8 per litre, but specifically the total cost of adding diesel to the Cat excavator has to be calculated in conjunction with the tank volume of the excavator and the amount of work consumed.For example, if a Cat320D excavator had a tank capacity of 400 litres, it would cost approximately $2,400 to fill one-time diesel fuel at an oil price of $6/L.In order to ensure that your Cat excavator can operate in the most efficient manner, in addition to paying attention to the price of diesel fuel, there is a need for regular maintenance and the use of high-quality diesel fuel that meets specifications.While optimizing the use of diesel fuel, understanding and controlling operating costs is one of the important tasks of each excavator owner or operator.In conclusion, there is no fixed answer to the question of "How much is the Cat Digger and Diesel" and it is closely related to actual market prices, equipment models and fuel consumption.Please keep an eye on local oil price developments so that the cost of refuelling can be more accurately estimated.