Early ideas of universal joints (or U-joints) have dated back thousands of years and seem to originate from multiple sources. However, about a century ago, a young engineering graduate, Clarence W.

Summertime is the season for repairing universal joints on PTO driveshafts that drive mowers, hay conditioners and brush cutters. Whether you use a vise, hammer and socket, or special tool (such as a ...

If you 'wheel your rig on a regular basis, chances are you've blown a universal joint. It's not hard to do, after all. Throw gobs of torque at your driveline, or mount up a set of 35-inch tires to ...