75 Ton Minster Press – OBI For Sale Posted on by supercharger4me Minster Press – OBI For Sale Model No. 7 Serial Number 7D 25855 Year 1985 Capacity 75 Tons Bed Area 21.50″ x 24.50″ Stroke 7″ Slide Adjustment 3.75″ Speed 45 SPM Equipped with: Air Clutch and Brake, Single Back Geared, 480 volts 3 phase