U-Shaped Rear Dump Trailer for Heavy Bulk Material Transport

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 the specialized solution for transporting and discharging heavy bulk materials such as sand, aggregate, coal, and ore. Unlike traditional rectangular bodies, the U-shaped cross-section is designed to eliminate "dead corners," ensuring a cleaner, faster, and more complete discharge. This design significantly reduces the risk of material "sticking"—a common cause of trailer instability during the tipping process—making it the safest and most efficient choice for high-frequency hauling.

Technical Performance & Operational Advantages

1. Optimized Flow & Residue-Free Unloading

• The U-Shape Advantage: The curved interior prevents wet or fine materials from accumulating in corners. During the tipping cycle, the load slides smoothly toward the center, ensuring a balanced center of gravity and reducing the time required for a full discharge.

• Low Center of Gravity: The rounded profile allows the cargo to sit lower in the chassis compared to square-box designs, enhancing road stability during high-speed transit and reducing the risk of roll-over on uneven terrain.

2. High-Strength Structural Integrity

• Anti-Deformation Steel: Constructed with high-tensile wear-resistant steel, the body is designed to absorb the high impact of falling rocks and abrasive materials without the structural deformation common in standard heavy duty semi trailers.

• Reinforced Hydraulic System: Equipped with world-class multi-stage telescopic cylinders, our tipping system provides consistent, powerful lifting force with integrated pressure valves to prevent accidental drops.

• Torsion-Resistant Chassis: The main beam utilizes a heavy-duty box-section design, providing the lateral rigidity needed to maintain alignment during off-road maneuvers in mining and excavation sites.

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

Dump Trailer Applications

Sector	Primary Cargo	Operational Benefit
Mining & Quarry	Ore, large rocks, and overburden	Durability: Withstands high-impact loading cycles.
Infrastructure	Sand, gravel, and crushed stone	Efficiency: Rapid turnaround with clean unloading.
Bulk Logistics	Coal and industrial raw materials	Volume: High-capacity body optimized for weight.
Dam & Bridge	Heavy earthmoving and fill material	Stability: Safe operation on soft or inclined ground.

Customization & Engineering Options

As one of the leading Semi trailer companies, we offer bespoke configurations to match your regional road laws and cargo requirements:

• Body Capacity: Custom volumes from 25 m³ to 45 m³ with varying plate thicknesses (floor/side).

• Axle Configurations: 3 or 4-axle setups using premium FUWA or BPW brands for maximum load distribution.

• Suspension Systems: Heavy-duty mechanical leaf springs for off-road durability or air suspension for highway stability.

• Tipping Configuration: Optimized rear tipping angles for specific material types to prevent "hang-ups."

Quality Assurance & Manufacturer Services

Shandong Global Diamond brings over 20 years of manufacturing heritage to every unit:

• Precision Manufacturing: Automated welding and strict ultrasonic weld inspections ensure long-term structural reliability under extreme fatigue.

• Safety Protocols: Every trailer undergoes full hydraulic calibration and load-bearing simulations before leaving the factory.

• Global Export Support: We provide comprehensive assistance with international shipping, customs documentation, and RHD/LHD compliance for global markets.

• Lifecycle Partnership: We guarantee a reliable supply of genuine spare parts—including hydraulic seals, axle components, and landing gear—to minimize your fleet's downtime.

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