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The Boca Rectangular End Dump Semi Trailer is engineered for transporting sand, gravel, coal, ore, aggregates, and other bulk materials. As a heavy-duty dump semi trailer, it features a reinforced rectangular body and a reliable hydraulic lifting system that delivers efficient unloading and long-term durability.
Compared with a U shape end dump semi trailer, the rectangular body provides greater cargo versatility and is well suited for transporting mixed bulk materials. This rear dump semi trailer is widely used in mining, quarrying, construction, and infrastructure projects requiring dependable high-capacity transportation.
We designed this trailer with three key features to handle heavy loads effectively:
Robust rectangular dump body: The strong steel frame and reinforced walls can carry up to 40 tons of material. The rectangular shape maximizes cargo space, so you can haul more in each trip. No more worrying about bending or cracking—this trailer is built for durability.
Efficient end-dump design: The hydraulic system lifts the trailer bed smoothly from the front, dumping cargo quickly and evenly at the rear. This design reduces unloading time, letting you get back on the road faster. It’s ideal for sites with limited space where side dumping isn’t an option.
Safety-focused engineering: Features like anti-slip flooring, bright taillights, and sturdy handrails keep your crew safe during loading and unloading. The trailer also meets strict safety standards, so you can operate with confidence on any road.
Where can you use this semi trailer? Here are common applications:
Construction sites: Haul gravel, concrete, or demolition waste to and from job sites. The large capacity and quick unloading help keep projects on schedule.
Agriculture operations: Move grain, fertilizer, or soil between farms and storage facilities. The rectangular body ensures even weight distribution for stable transport.
Mining and quarrying: Carry heavy materials like ore or sand from extraction sites. The durable build stands up to rough terrain and abrasive loads.
We know you want a trailer that fits your workflow without hassle:
Simple hookup and operation: The trailer is compatible with most standard tractors, thanks to its universal fifth-wheel coupling. The hydraulic system is easy to control, even for new operators.
Low-maintenance design: Regular checks are straightforward. Just lubricate moving parts and inspect the frame periodically. The corrosion-resistant coating protects against rust, extending the trailer’s lifespan.
Here’s why thousands of businesses trust our trailers:
The rectangular body accommodates a wider variety of bulk materials, making it suitable for construction, mining, agriculture, and industrial transport.
The box-shaped design maximizes internal volume for efficient transportation.
Reinforced side walls and floor plates improve resistance to heavy impacts and abrasive materials.
The simple body structure makes inspection, cleaning, and repairs more convenient.
| Feature | Rectangular Body | U Shape Body |
|---|---|---|
| Cargo Capacity | Higher usable volume | Optimized material flow |
| Material Residue | Moderate | Lower |
| Cargo Versatility | Excellent | Best for loose bulk materials |
| Maintenance | Easier | Standard |
| Best Applications | Mixed bulk cargo, construction materials | Coal, ore, sand, gravel |

Bucket capacity | 40 cubic meters |
Axles | 4 Axles*13/16Ton,FUWA/BPW or Customization |
Lifting system | HYVA brand,FE/FC type cylinders,Diameter=202mm |
Dump semi trailer size | 10500*2500*3900mm |
Dump Box | T700 / Q345B double plate |
Material | Q345B,Beam Height:500mm,Upper Plate:14mm ,Bottom Plate:16mm,Middle:8mm |
Braking System | Air Dual braking system,with relay valve |
Suspension | Heavy duty mechanical suspension / Air bag / Bogies |
Landing gear | 28 Tons Two Speed,JOST/Other Brand |
A: A rectangular end dump semi trailer is a dump semi trailer equipped with a box-shaped cargo body and a hydraulic lifting system. It is designed to transport and unload bulk materials such as sand, gravel, aggregates, coal, ore, and construction debris through rear tipping.
A: A rectangular dump semi trailer offers excellent cargo versatility, high payload capacity, and a simple body structure that is easy to maintain. It is suitable for transporting a wide range of bulk materials in construction, mining, agriculture, and infrastructure projects.
A: A rectangular end dump semi trailer provides greater flexibility for carrying different types of bulk cargo, while a U shape end dump semi trailer is designed to improve material flow and reduce residue during unloading. The choice depends on the type of material and operating conditions.
A: This hydraulic dump semi trailer is suitable for transporting sand, gravel, crushed stone, coal, ore, soil, aggregates, demolition waste, and other loose bulk materials used in mining, quarrying, and construction.
A: Yes. Boca Auto can customize the rectangular end dump semi trailer with different body capacities, axle configurations, suspension systems, hydraulic cylinder brands, and steel grades to meet various transportation requirements.
A: Rectangular dump semi trailers are widely used in construction, mining, quarrying, infrastructure development, agriculture, and industrial bulk material transportation where high capacity and operational reliability are essential.
