PNEUMATIC CYLINDER; TYPE: XXXDOUBLE-ACTING CYLINDER; PISTON SIZE: 3.25 " STROKE: 3.75 "; ROD: 1 "; ANCHORAGE: CLEVIS MOUNTED; MAXIMUM OPERATING P RESSURE: 250 PSI; EFFECT TYPE: DOUBLE ACTING; PNEUMATIC CYLINDER MANUFACTURED BY SHEFFER FOR THE DRIFT GRIPPER WHEELS