For very large gears or splines, a vertical broach is used.

The largest gears are produced on these machines.

For larger gears the blank is sometimes gashed to the rough shape to make shaping easier.

The units weighed five tons each and sat atop the largest gears of their kind.

For large gears that are prone to warp, a quench press is used.

The boats, because they share the load, can be smaller and less powerful yet can tow relatively large gear.

It is suitable where large gears of complicated shapes are needed.

Billy spins a large gear handle to hit Benny in the face.

The central large gear acts as a stationary sun gear.

Slewing is driven by large gears, while hoisting generally makes use of a cable system.