The 3-Axle Aluminum Alloy Bulk Cargo Semi-Trailer is engineered for heavy-duty bulk transport, featuring lightweight yet ultra-durable aluminum side walls that resist corrosion while maximizing payload capacity. Designed for 40/60/80-ton loads, this trailer combines high-strength steel chassis construction with aluminum alloy panels to deliver optimal strength-to-weight performance. Ideal for mining, agriculture, and construction materials, its reinforced side walls and 3-axle stability ensure safe, efficient transport of coal, grain, sand, and other bulk commodities.