Resilient railroad car truck

In a railroad car truck having a pair of wheelsets and means for providing relative restraint between wheelsets, a pair of side frames, means for supporting said side frames on said wheelsets including resilient means supported on said wheelsets and supporting said side frames, said resilient means providing greater shear resistance in a lateral horizontal direction than in a longitudinal horizontal direction and including a pair of spaced pad elements supported on opposite sides of each wheelset axis, each pad element including alternate resilient and generally rigid layers, with at least one of the generally rigid layers on opposite sides of at least one resilient layer being shaped to restrict the volume of material distortable in the lateral direction whereby there is less volume of distortable material in the lateral direction than in the longitudinal direction.