2024 Peterbilt 579 Ultraloft Specs. Specs include 18 air slide fifth wheel, 13k front axle, 38k rear axle with 2.79 ratio, peterbilt flex air suspension, air disc brakes all. This redesigned chassis was paired with new, acoustically tuned engine mounts, which support highway cruising at 1,500 rpm while delivering an improved ride and.


2024 Peterbilt 579 Ultraloft Specs

579 tractor with 80 double bunk ultraloft sleeper with epiq aero package. Powered by a cummins x15.

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