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The U Type Dump Semi Trailer is a specialized transport vehicle engineered for the seamless transportation and dumping of various bulk materials, ranging from agricultural products (such as grains, feed, and root crops) to construction supplies (including sand, stone, and construction waste).
Loading Capacity | 60-80 tons / 30-60CBM |
Axle | 3/4/5 pcs |
Tire | 12/16/20 units |
Material | Carbon steel Q345/T700 |
Hydraulic Cylinder | HYVA or Optional |

Equipped with a high-performance hydraulic system, this trailer features a unique rear-dumping design that eliminates the need for manual unloading, significantly cutting down loading/unloading time and reducing labor costs. Unlike traditional dump trailers, its U-shaped cargo bed minimizes material residue during dumping, ensuring maximum utilization of capacity. We offer flexible customization options for load volume (20–45 cubic meters) and payload capacity (40T–80T), making it adaptable to diverse industry needs.
The U-shaped structure of the cargo bed is tailored for efficient material flow—its smooth, curved inner walls prevent bulk materials from accumulating in corners, reducing residue by over 90% compared to rectangular trailers. This design also enhances the trailer’s structural stability, as the curved shape distributes weight evenly across the bed, minimizing stress on the frame during heavy loads.
Powered by a HYVA hydraulic cylinder (or other optional premium brands), the dumping system delivers consistent lifting force, enabling the trailer to unload a full 80T payload in just 60–90 seconds. The system is equipped with a pressure relief valve and anti-leak seals, ensuring safe operation even in harsh construction or mining environments (e.g., dusty, muddy conditions).
Constructed from high-strength carbon steel (Q345/T700), the trailer’s frame and cargo bed resist deformation and corrosion. The material’s tensile strength (up to 700 MPa) allows it to withstand repeated heavy loads and frequent dumping cycles, extending the trailer’s service life to 8–10 years under regular maintenance.
For construction companies hauling sand, gravel, or demolition waste, the U Type Dump Semi Trailer solves the pain point of slow on-site unloading. Its rear-dumping capability aligns with typical construction site layouts, allowing direct unloading into excavators or storage piles without repositioning the trailer. The 60–80T payload capacity reduces the number of trips needed, cutting fuel costs by 30% compared to smaller trailers.
During harvest seasons, farmers and agricultural distributors face the challenge of transporting large volumes of crops (e.g., wheat, corn) quickly. The trailer’s customizable 20–45 cbm volume fits varying crop yields, while its corrosion-resistant steel bed protects crops from contamination. The hydraulic system’s gentle lifting action also prevents crop damage, ensuring product quality.
Mines require trailers that can handle abrasive materials (e.g., ore, limestone) and rough terrain. The U Type Dump Semi Trailer’s thickened steel bed (8mm–10mm) resists wear from sharp aggregates, and its 3/4/5-axle configurations (with 12–20 heavy-duty tires) provide stable traction on unpaved mine roads, reducing the risk of breakdowns.
Our team provides pre-purchase technical guidance, including axle configuration recommendations (based on local road regulations) and payload matching (to align with customers’ tow trucks). We also share 3D models and material test reports to verify the trailer’s performance.
Beyond standard specifications, we offer tailored modifications: adjusting cargo bed height for narrow job sites, adding anti-slip bed liners for wet materials, or integrating GPS tracking for fleet management. All customizations comply with international transport standards (e.g., ISO, DOT).
We supply genuine replacement parts (hydraulic cylinders, tires, seals) with a 12-month warranty. Our global service network provides on-site maintenance training and emergency repair services (response time within 48 hours in major regions) to minimize downtime.