This kind of spreader is suitable to be used on ports and sites which have less containers. And it is suitable to lift 20 ft to 45 ft containers. It can be used with Portal crane and stacker crane. 

For operation with ISO  standard 20`containers		For operation with ISO standard 40`containers
Rated lifting load	35T	Rate lifting load	35T
Self-weight	2.2T	Self-weight	4.6T
Allowable load	±10%	Allowable load	±10%
Spring stroke	100mm	Spring stroke	100mm
Ambient temperature	-20℃～+45℃	Ambient temperature	-20℃～+45℃
Twistlock mode	ISO floating resale, automatic elastic lasso drive	Twistlock mode	ISO floating resale, automatic elastic lasso drive
Flippers device	NO power,fixed flippers	Flipperrs device	NO power,fixed flippers
Application	Portal crane, gantry crane, crane in the plant	Application	Portal crane, gantry crane, crane in the plant