Peterbilt Medium Duty Trucks

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Peterbilt medium duty trucks.

Four new Peterbilt medium-duty trucks include models Class 5/6 models 535 and 536, and Class 7/8 models 537 and 548.

Peterbilt models 535 and 536 Class 5/6 trucks have an aluminum cab measuring about 7 feet wide with a floor height of 40.5 inches and a roof height of 74 inches. The cab is 8 inches wider than the previous-generation cab. Ingress and egress is improved with a 3” lower cab height, stair-style steps, and knurled grab handles. The all-new, self-closing doors feature larger windows for increased driver visibility. The Bumper to Back of Cab (BBC) measurement can be either 107 or 109 inches; turning radius is 51 feet.

A new instrument cluster features an analog speedometer and tachometer and a high-resolution 7-inch digital display that relays key information at a glance thanks to a unique menu card layout.

The 537 and 548 have a new customizable chassis with multiplex electrical architecture.

The suspension features wide or standard track axles and mono-leaf or taper-leaf front springs rated from 8,000 up to 20,000 pounds. The rear suspension is available with a taper-leaf or air leaf suspension rated from 12,500 to 40,000 pounds, depending on a single or tandem drive configuration.

Also part of the advancements are the Paccar TX08 automatic transmission and updated PX engines. The 8-speed transmission monitors changes in road grade, vehicle acceleration, torque demand, weight, and engine load to keep the truck in the most fuel-efficient gear.

View a walk-around below.