Fontaine Fifth Wheel Introduces New Plate Mount Fontaine Fifth Wheel has released a new PML adjustable plate mount. The new model is an average of 10 pounds lighter than the PMA and APB models. Its design allows it to be moved forward or backward in two-inch increments to help balance loads Previous articleIn Missouri, Fire Destroys, intelligence helps solve a problemNext articleHeavy Duty Aftermarket Dialogue Predicts the Future