gondola assembly for receiving harvested crops in the field from a crop harvester has a lightweight molded drop in tank held in place by a tank framework on the gondola assembly the drop in tank lowers the gondola center of gravity as it replaces stainless steel or painted mild steel tanks and requires no periodic maintenance a built in scale for continuous in the field monitoring of the weight of received harvested crop is constructed to be viewable by a tow tractor operator whether towed from one end of the gondola or the other the towable gondola obtains power for operation of a pair of tank framework lift cylinders from the tow tractor so that the tank is movable between an elevated dump position and a lowered crop collection position the gondola has a reversible towing tongue for towing in either direction so it may be configured to be towed on either side of a crop harvester application_number US 92219501 A description with reference to fig1 a in the drawings a gondola assembly incorporating the present invention is shown generally at 10 a molded drop in tank 11 is held in a tank support weldment 12 wherein the tank 11 is held within the weldment 12 by means of a number of clips 13 a trailer frame 14 is seen in fig1 a having a pair of wheels 16 one shown attached by an axle not shown in fig1 a a tongue 17 extends forwardly from one end of the frame 14 having structure thereon adapting it for connection to a towing tractor not shown a hydraulic.