AERODYNAMIC - Model 384 Aero Performance, Lightweight Design Peterbilt’s Model 384 matches versatility with exceptional maneuverability. It’s ideal for regional, short and long haul applications, and has the power to handle the heaviest payloads. The Model 384 features a 116” BBC, and offers a full range of heavy duty suspension, brake and drivetrain options, as well as a full selection of comfortable and smooth riding Unibilt sleepers. A lightweight all-aluminum cab with lap seam construction and bulkhead style doors is legendary for durability and a variety of engine options are available with horsepower ratings of up to 470 HP. A sloped hood with swept-back fenders and integrated headlamps is highlighted by a stainless steel grille with chrome surround and standard chrome bumper. The Model 384 offers maneuverability and fuel economy with a touch of undeniable Peterbilt Class.