MEDIUM DUTY - Model 330 Trouble-free Operation, Ownership An exceptional performer in every setting, the Peterbilt Model 330 is the head of the class in versatility. Simple to operate with low overall operating costs, some businesses choose this Class 6 vehicle for their drivers without commercial licenses. The thoughtfully designed interior space and tight turning ability with wheel cuts up to 50 degrees make it universally popular with commercial and non-commercial drivers alike. The Model 330 is highly adaptable, combining durability and power with options to match the needs of the job and the driver. It’s ideal for refrigerated van, pickup and delivery, wrecker and municipal utility applications.