Differential ring-and-pinion gear set resting on a truck bed lin…

A ring-and-pinion gear set (crown wheel and pinion) from a differential, showing the spiral bevel ring gear teeth with wear and polish marks, mounted on the pinion shaft. It sits on a truck bed liner outdoors alongside blue shop rags, a brown rag, and a large bolt/socket.

AI caption October 2008 · Photo 424 of 429