blocking valve for turning gear

hand turning gear

interlock valve on turning gear

main turning gear

Power Turning Gear

Rotor turning gear

shaft-turning gear motor

T-G unit turning gear

turning gear for large marine diesel engine

turning gear interlocking device

turning gear moment of force

Turning gear piggy back

ventilator turning gear

turning steering gear

turning vane steering gear

bevel gear of gear box

double helical gear (herring-bone gear)

equivalent spur gear of the bevel gear

equivalent spur gear of the helical gear