3 engines are pulling a massive autorack train through the desert, the engines are revving loud trying to pull such a heavily loaded train, the engines even throguh the temps of around 45 celsius, it manages to stay cold and cool while pulling hundreds or thousands even in total, of cars in each of the autorack cars, to make a fortune worth tons of gold, to be able to pay the price of the diesel and maintenance of such big engines, withouth them, the economy would be in shamble, even if it is in arid deserts...