Steering gear boxes not only steer the front wheels, but also play an important role in reducing the effort which goes into steering the steering wheel by an equivalent increment in the output torque.

Manual steering gears predate the Model T era. The typical layout is a column and shaft leading from the steering wheel to a frame-mounted gear mechanism. This steering shaft rotates left and right, ...

Worm gears are a power transmission standard, driving millions of axes requiring more drastic speed reductions. In this type of gearing a longer, more cylindrical worm (which resembles a screw) ...