GM Motorized CTRB Extractor GM CTRB 100 is being developed in a unique concept as Mobile Work Station (Motorized CTRB Puller) to mount & dismount direct mounted components without damage or scoring to the component bore or shaft seating.  FEATURES & ACCESORIES • Portable, Movable & Assembled on 4 wheel Trolley. • Hydraulic Power Pack (max. working pressure 700bars) • Auto Jacking system • Pressure Release Valve. • Pressure safety valves. • Pressure Gauge. • Controls – Electrical Key Board.