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U-Shaped Rear Dump Trailer for Heavy Bulk Material Transport

Model NO. GDD9406ZZY
Type Semi-Trailer
Load Capacity 80T
Certification ECE, GCC, CE, ISO9001, CCC, ISO/TS16949
Wheel Base 7000-8000mm
Tread 1820mm
Grade Heavy Duty
Types of Suspension Systems Leaf Spring Suspension
Shape U-Type
Axle Number 4
Tire Number 16

Product Detail

High-strength U-shaped rear dump trailer designed for efficient unloading of bulk materials.

U-Shaped Rear Dump Trailer Detailed Description

The U-Shaped Rear Dump Trailer is engineered for reliable transportation and efficient unloading of bulk materials such as sand, stone, coal, and ore. Its U-shaped cargo body minimizes material residue during unloading, ensuring smooth and complete discharge.

Built with high-strength steel and reinforced structural design, this trailer delivers excellent durability and stability under heavy-duty operating conditions. The rear tipping system provides balanced unloading performance, making it suitable for construction sites, mining operations, and infrastructure projects.

U-Shaped Rear Dump Trailer Key Advantages

  • U-shaped body for clean and complete unloading
  • Reinforced high-strength steel structure
  • Stable rear tipping system for safe operation
  • Reduced maintenance and longer service life

U-Shaped Rear Dump Trailer Specification

Size 13000×2500×3100mm
King Pin Setting(mm) The height will be adjusted according to the tractor specification
Tank body Steel
End plate Steel
Axle 4 axle  FUWA brand   (Optional)
Suspension Mechanical suspension  (Optional)
Leaf spring 13mm×90mm×10PCs (Optional)
Manhole cover 500mm manhole cover with breath valve .2 sets   (Optional)
Tire 12R22.5 16pcs  (Optional)
Wheel rim 9.0-22.5  16pcs (Optional)
Discharge valve 4"disc valve
Discharge pipe 4"seamless steel tube
Bottom valve 1 set
Kingpin 2"/3.5" bolt-in /welded king pin
Landing gear FUWA brand Two-speed, manual operating ,heavy duty landing gear 28T(Optional)
Compartment Single  or Multi (Optional)
Braking system Dual air brake system,30/30 type, WABCO brake valve.
Light 24V, LED lamp
Painting primer + top coat, polyurethane paint
Accessories One standard tool box,one spare tire carrier,one crank,one shaft head wrench,four side light,two rear light

U-Shaped Rear Dump Trailer Typical Applications

  • Sand and gravel transportation
  • Mining and quarry operations
  • Road and bridge construction projects
  • Bulk material logistics

Why Choose Shandong Global Diamond Automobile Technology Co., Ltd.

  • Semi trailer companies over 20 years of experience in trailer manufacturing
  • Specialized in dump trailer design and production
  • Strict quality control from material sourcing to final inspection
  • Proven export performance in multiple international markets

Our Dump Trailer Advantages

  • High-strength steel for long service life
  • Optimized tipping angles for safe unloading
  • Reliable hydraulic systems for stable performance
  • Designed for heavy duty semi trailers and continuous operation

U-Shaped Rear Dump Trailer Customization Options

  • Cargo body volume and thickness
  • Axle quantity and suspension type
  • Hydraulic cylinder specifications
  • Rear or side tipping configuration

U-Shaped Rear Dump Trailer Quality & Safety Assurance

  • Precision welding and structural reinforcement
  • Load testing before delivery
  • Hydraulic system inspection and calibration
  • Compliance with international transport standards

After-Sales Support

  • Technical guidance for operation and maintenance
  • Spare parts supply and service support
  • Export documentation and logistics coordination
  • Long-term cooperation and support

Dump Trailer

U-Shaped Rear Dump Trailer Features

  • No Dead Spots: Material naturally slides towards the center under gravity, leaving minimal residue.
  • High Strength: The arched structure acts like a bridge, better distributing the pressure of the load against the walls, resulting in a lighter yet stronger body for the same weight.
  • Lightweight: Compared to a rectangular body, it reduces tare weight for equivalent strength, increasing payload capacity.

Hydraulic Lifting System:

  • Core: A multi-stage (usually 4-5 stage) front-mounted hydraulic cylinder, installed between the front of the body and the subframe.
  • Power: A PTO (Power Take-Off) from the tractor unit drives the hydraulic pump.
  • Lifting Angle: Maximum tipping angle can exceed 70 degrees, relying on gravity for complete self-unloading.
  • Control: The operator controls lifting and lowering via a remote control or manual valve from outside the vehicle for safety

Chassis and Frame

Subframe:
This is a robust base frame connected to the axles via the suspension. The body's tipping pivot is fixed to this subframe.
It bears the weight of the entire loaded body and remains stable during lifting.
Main Beams:
During tipping, only the subframe and axles remain on the ground. The entire body, including its main beams, is lifted.
The beams must have extremely high torsional strength to withstand the significant stresses of lifting and unloading.
Suspension and Running Gear

Dump Trailer

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