first gear forward

forward gear assembly

forward gear position

forward gear slot

third gear forward

forward input gear

forward pinion gear

nose gear well looking forward

forward forward deposit

forward-backward counter (=forward-reverse counter)

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

gear quadrant steering gear

gear shaping cutter for straight bevel gear

gear slotting cutter for spur gear

Generating gear of a gear

harmonic gear drive with radial gear meshng