The 4-Axle U-Type Rear Dump Semi-Trailer is a high-efficiency and versatile heavy-duty hauling equipment designed to meet diverse job site needs. Its unique U-shaped body ensures clean and complete unloading every time, eliminating residue and improving work efficiency. Equipped with a smart hybrid suspension system, this 4-axle dump trailer effectively reduces tire wear and saves on tire replacement costs. The manual tarp cover provides reliable protection for loads, preventing spillage and ensuring transportation safety. With two optional rear door opening styles, it can be flexibly adapted to different loading and unloading scenarios. Additionally, the protected lights and dual spare tires enhance the reliability and durability of the trailer, making it an ideal choice for long-term heavy-duty hauling tasks in construction, mining, and other industries. Choose the 4-Axle U-Type Rear Dump Semi-Trailer for stable, efficient, and secure transportation solutions.