Many firms use the utility service trucks to deliver their goods. This is convenient and economical as they do not have to rely on the regular goods carrier. These vehicles have been nicknamed by some people as box vans or cube trucks. The cargo area is shaped like a cube. This is why these utility trucks are given such names. These utility trucks do not have any standard length. They come in a variety of lengths. The most common ones range from 14 feet to that of 24 feet in length. But there are many utility trucks that are smaller in size than these. The door of the utility truck cargo area is at the rear. They are built similar to that of the garage door. The rear can be accessed by rolling up the rear door. Not all the utility trucks come with a rear door. There are a large number of them who have access doors connected to the cabin. The utility truck is built according to the specifications provided by the user. Naturally these are custom built. The variations in designs and styles are vast. They also vary in sizes.