Feel confident in your Kenworth T600 Aerocab semi truck by making sure you have all the aftermarket air, electrical, and safety parts you need while on the road. We have a large selection of aftermarket and custom parts to meet your safety standards, including airlines and airline boxes, roadside gear, safety flags, and more. 4 State Trucks can help you stay moving on the road no matter where you're driving your Kenworth T600 Aerocab.