Trucks are classified in to different categories and determined by trucking authorities and also they are offered in numerous styles. However many of the classifications are accepted universally and they are made overall as per the gross vehicles weight rating. The gross vehicles weight rating includes the complete weight of loaded trailers or trucks, accompanied tools, cargo and passengers. The classification is divided in various categories and in different sections such as heavy duty, medium duty and light duty trucks.

Medium duty trucks include Class 3, Class 5 and Class 4 trucks that are categorized by Gross Vehicles Weight Rating (GVWR). These vehicles provide up to 10,000 to 19,000 pounds of hauling capacity and are quite famous for transportation of raw materials, transporting goods from one place to another and passing on industrial products. Some of the most famous manufacturers of medium duty trucks include Ford, GMC, Kenworth, International and Mack Trucks. These are some of the high end truck manufacturing companies that provide quality as well as durability and are having huge capacities of producing engines with smarter performances and better fuel efficiencies.

The Class 4/5 TerraStar is one of the most famous medium duty trucks of International Company, which is designed on three pillars of commercial duty performance: efficient power, commercial grade components and ease of operation. The Isuzu NRR is a high performance truck powered by 5.2 liter 4HK1-TC turbocharged intercooled diesel engine, which is good for producing 215 horsepower at 2500 rpm and 452 pound feet of torque at 1850 rpm.  

Ford F550 is another Class-5 traditional medium duty truck, which has unique configuration and shares grille, cab, fenders as well as hood with a pickup truck model. However, those seeking used latest medium duty trucks, parts, bumpers, wheels for sale or Oils Truck is an excellent option.