Hydrodrive MF155W Outboard Hydraulic steering system for engines till 150 HP Hydraulic pump: TL1-16 MRA, 16 cc pump., 4,6 turns Hydraulic cylinder: MC 155 W, 71 cc volume, stroke 212mm 5+5 mt twin hose, 1 lt. hydraulic oil (ATF III G) (temp.+60°/-30°.) Output force: 270 Kg Torque: 57 Kgf Max speed: 55 Kts (101 km/h) Pump hardened , hot pressed aluminum Adonized pump house, manufactured by precision CNC house Cylinder made from cold drown, hardened aluminum Outboard hydraulic steering system, for engines until 150 hp output. Excellent quality, innovative technology. Universal fittings, Hydrodrive steering can be use every type of outboard engines. Easy to install. 3 years of warranty