Fleetowner 4806 Fontaine Fifth Wheel Pml Mount

Fontaine Fifth Wheel replaces 2 brackets with single, lighter-weight model

Jan. 20, 2015

Fontaine Fifth Wheel is released a new PML adjustable plate mount that is an average of 10 lbs. lighter than the company’s PMA and APB models without sacrificing load capacity.

The new mount will replace those two models.

“We are always looking for opportunities to save weight in our fifth wheel components,” said Aaron Puckett, director of national fleet sales. “The new PML bracket offers all the features of the PMA and APB brackets, but with a new reinforced cast steel design that cuts weight. Drivers will not notice any difference in capability, but at the end of the month, fuel usage will be measurably lower.”

The PML adjustable plate mount is composed of fixed brackets that sit on a steel plate base, the company explained. Each side of the base has six mounting holes. The multiple mounting holes allow the fifth wheel assembly to be moved forward or backward in two-inch increments to help balance any load. Since there is no sliding mechanism, the fifth wheel assembly is lighter, and there are less moving parts to maintain.

The mount features greaseless liners that ensure there is no metal-on-metal contact between the top plate and the bracket, which reduces wear and extends the life of the fifth wheel assembly. Dual durometer bushings aid in shock absorption to provide a smooth ride.

The PML mount is compatible with Fontaine’s No-Slack II 6000, 7000 and 7000CC top plates for standard- to moderate-duty on-highway use. When paired with a 6000 top plate, the PML assembly has a 50,000 lb. vertical load capacity. A PML assembly equipped with a 7000 or 7000CC top plate can handle a vertical load of up to 55,000 lbs.

“Switching to an advanced lightweight fifth wheel mount is an easy way to cut weight from a chassis,” said Puckett. “The PML mount offers flexibility and ease-of-use in a lightweight package. It also consolidates two previous options into one product, so our line of fifth wheel mounts is simpler to understand.”

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