Carter excavators need to pay special attention to the accurate capacity of the oil when filling the oil to ensure the operating efficiency of the equipment and the life of the engine. Different models of Carter excavators may have different oil filling volumes. For example, the standard oil fill for the Carter 320D excavator is about 22 quarts, but the exact value should be obtained by referring to the official owner's manual or contacting the dealer for accurate information. In the process of changing or filling the oil of the Carter excavator, it is important to choose high-quality engine oil that meets the special standards of CAT to ensure the performance of the equipment. In order to optimize the performance of your excavator, it is essential to check and properly fill the oil regularly. Remember to record the current state of the oil and estimate the total amount of oil that needs to be filled before operation, and follow safe operating procedures to avoid the adverse effects of overfilling or underfilling the excavator. To sum up, in view of the oil filling problem of 'Carter excavator', we need to combine the actual model, strictly abide by the official recommendations, accurately control the oil quantity, and emphasize the oil quality to achieve the best maintenance effect of the excavator.