Question: how much gravel will a tri axle dump truck hold?
Answer: In general, the maximum quantity per truckload is 12 cubic yards of stone, 15 cubic yards of topsoil, and 22 cubic yards of mulch. When it comes to gravel, an ideal average is about 3,000 lbs per yard. A dump truck (pickup truck sized) can carry 1 yard and three-axle dump truck can carry about 16.5 yards of gravel.