While it's not the lightest gear system around, it provides excellent rough-field capability when combined with large tires, and is very durable, simple and virtually maintenance-free.

This paper introduces cold heading and combined forming process of extrusion and punching for gear cluster, a key part of automotive gearbox.

This paper presents a method for machining large gear, i. e. rough turn is separated from finish work, resulting in a fully stress release.