Before starting to buy you truck train horns to install in an individual car, look at your local ordinances to make sure that it is allowed. If it is legal your can purchase a train horn, you might want think about the dB levels in the horn along with the size in the horn this also suit your Refrigerated Truck most suitable. Standard train horns produce about 170dB of sound.
By combining an inexpensive rubber bed mat over a more expensive liner, when it's spray on or carpet or plastic, you sacrifice the cheap mat rather than damage appeal of soy priced part. That means too that you can do really make use of the truck for hauling without worry or stress over tearing up an expensive part among the truck.
Skills: Happen have capability to drive standard transmissions and articulated equipment. Map reading and trip management are advantageous. Problem solving and self learning complete the job for you to master.