Abstract: The invention relates to a base frame for a shipping container, comprising a front end and a rear end separated by a bolster, the front end of the base frame comprising a pair of bottom side rails or beams and a pair of gooseneck rails or beams positioned in a longitudinal direction of the container, the rear end of the base frame extending from a door sill to the bolster, where the gooseneck rails extends continuously from a front sill to the bolster and that a number of bows extends continuously from a bottom side rail in one side of the front end of the base frame to a bottom side rail in an opposite side of the front end of the base frame.