Mules are slightly smaller than their horse parent, and when they grow they share traits of both a donkey (the long ears), and the horse (color, tail, etc.). A Mule in the grass.
For example, a 2014 Ford F-150 is considered a half ton truck but most variants can carry a lot more than 1,000 pounds in the bed. Since these terms are probably not going away any time soon, it's best just to think of them as smaller, mediumest, and more than medium.. (Pause for laughter).
A full size Â¾ or 1 ton pickup can hold 2-3 cubic yards, slightly rounded, but weight must be considered. Most full size pickups can handle 3 yards of mulch, 2 yards of compost or 1-1.5 yards of soil product depending on the size of the pickup truck bed.