PURPOSE: To provide a ram which is effective for weight reduction in the ram provided with load swing preventing function.

CONSTITUTION: A ram main body 4 is constituted of upper and lower two ram members extendingly provided in the lengthwise direction nearly in parallel with each other. The lower ram member is constituted of right and left vertical plates 5 and a ram lower plate 6 welded to the lower faces of the vertical plates 5, and the upper ram member is constituted of a ram upper plate 7 arranged over the vertical plates 5. The lower ram member is fixed to a lift bracket 2 being elevatably moved along a mast 1, meanwhile, the upper ram member is detachably combined with the upper ends of the piston rods 8a of front and rear two hydraulic cylinders 8 standingly provided on the lower ram member by means of fitting pins 11.