For info:
MODEL OBS 35-3 SERIAL NUMBER - #12716 MANUFACTURED..................1989 STROKE........................1.57" STROKES PER MINUTE............120 - 240 (VARIABLE) FLYWHEEL PRESSES BED...........................15.75" X 27.56" SLIDE.........................11.81" X 13.78" SHUT HEIGHT...................8.27" TO BOLSTER SLIDE ADJUSTMENT..............2.17", MOTORIZED BOLSTER PLATE (T-SLOTTED).....3.39" THICK EQUIPPED WITH: HYDRAULIC OVERLOAD PNEUMATIC WET CLUTCH & BRAKE AIR COUNTER BALANCES MOTOR & CONTROLS