Shunzhao has added a new listing on its website with heavy-duty tractor trucks used for long-haul transport. Designed for semi-trailer trucks, these tractors are equipped with powerful diesel engines that are capable of towing heavy payloads over long distances. Distance hauling requires a truck with powerful torque, and adequate stability on highways and strong roads. The chassis has to be **suspension systems** and filters provide reliability on the highway, while reducing vibrations and enhancing the ride quality. In addition, one has to consider engine power, transmission type, and brakes. Shunzhao’s heavy-duty tractor trucks are designed for long operational use, and our sales specialists are fully trained to advise you on the right model based on your hauling requirements.