CTH 7235 crane (piggyback) spreaders: CTH 7200 / 7235 / 7300 / 7335 Crane Spreader This unit has been developed to provide high handling efficiency, excellent reliability and easy maintenance. Besides the standard installed dual hydraulic powerpack unit, these spreader combinations can be supplied with an extensive list of options like: hydraulic activated corner flippers, rotation, gravity point adjustment, PLC control and fault detection system, intermediate frame stops, 45 ft. spread etc.