6-18 square meters.
One cement tank truck can hold 6-18 cubic meters of cement. The loading capacity of most cement tank trucks on the market is mainly 8 cubic meters. The loading capacity is mainly determined based on the model and size of the cement tank truck. For example, The loading capacity of cement tank trucks with rear eight wheels is generally 6, 10, and 12 cubic meters, while the loading capacity of cement tank trucks with front four and rear eight wheels is more than 12 cubic meters.