Capacity: 4,000 lbs. , Volume: 2 cubic yards , Overall Size: 59½"W x 66"D x 46"H - These Steel Self-Dumping Hoppers are constructed of all welded steel. Each unit features; Beveled Cross Channel for easier fork entry, and a Formed Channel Bumper for added strength and protection. Options: Casters, lids, Three Way Entry and Crane Lugs.