Wexco 4R3.12.R110CEB Wiper Motor 12V 2Sp 3" BlackWWF motors are commonly found on a wide variety of trucks, equipment, tractors, boats, buses, and much more for nearly 40 years. WWF motors are a self contained wiper system with an oscillating 1 2" drum pivot shaft. Wipe angles are easily adjustable as well as an adjustable park position from right to left. Default wipe angles for each motor is 110 degrees. The wiper switch can be easily installed directly to each motor, if necessary.