1961 20 Hydraulic Dump Truck - Children will be fascinated by the automatic way this dumper works. A touch on release lever and the load is raised smoothly and hydraulically by safety-type cylinder. The 2-position tailgate permits straight dumping or spreading. Length 13 1/2", Height 6 1/4", Width 6 1/4". Packed 6 to a shipper, weight 25 lbs.