W 250 Pickup L6-359 5.9L DSL (1989)
Universal Joint: Description and Operation
Ball & Trunnion Type
The ball and trunnion universal joint is a combination unit functioning as both a slip yoke and universal joint. It is used on some models on the transfer
case end of the propeller shaft. A flange is used to connect one end while a conventional universal joint is used to connect the other.