4 Axle Rear Dump Semi Trailer for Heavy Duty Bulk Transport
The 4 Axle Rear Dump Semi Trailer (also known as a tipper or end dump trailer) from RoadKing Vehicle is a heavy-duty material handling platform engineered for high-volume haulage and rapid unloading. Purpose-built for mining aggregates, crushed stone, sand, gravel, coal, ore, and construction demolition waste, this tipping trailer dramatically streamlines unloading cycles.
Featuring an upgraded 4-axle stability chassis, a heavy-duty HYVA hydraulic lifting cylinder, and a high-strength Q345/T700 steel U-type cargo body, it provides exceptional tipping safety and payload efficiency. Explore our complete tipper and dump semi trailer series for direct factory quotes and custom drawings.
Rear Dump Semi Trailer Configuration list
| ITEM | SPECIFICATION |
| Dump Style | Rear Hydraulic Dump |
| Axle | 4 Axles |
| Axle Brand | FUWA / BPW / Other Brand Optional |
| Dimension | 11000mm × 2500mm × 2800mm (Customized) |
| Loading Capacity | 40–100 Tons |
| Cargo Box Style | U-Type / Rectangular Type |
| Cargo Box Height | Customized |
| Material | Q345 / T700 High Strength Steel |
| Floor Plate Thickness | 5–8mm |
| Cargo Side Plate Thickness | 4–6mm |
| Main Beam Height | 500mm |
| Main Beam Material | Q345/T700 |
| Upper Plate Thickness | 14mm |
| Middle Plate Thickness | 8mm |
| Lower Plate Thickness | 16mm |
| Hydraulic System | Full Hydraulic System with Oil Tank and Valve |
| Hydraulic Cylinder | HYVA / Other Brand |
| Tire | 12R22.5 (16 Pieces) Linglong / Triangle / Double Coin |
| Rim | 9.0×22.5 Steel / Aluminum |
| Suspension | Mechanical Suspension / Air Suspension Optional |
| Leaf Spring | 90mm×13mm / 90mm×16mm × 10 Pieces |
| King Pin | #50 (2") / #90 (3.5") JOST / Other Brand |
| Landing Gear | 28T Two-Speed JOST / Other Brand |
| Tool Box | Steel / Aluminum |
| Brake System | WABCO Optional |
| Painting | Spray Painting / Powder Coating Optional |
Hydraulic Tipping System & U-Type Dump Body Advantage
The core of the RoadKing rear dump trailer is its high-efficiency hydraulic tipping mechanism. Outfitted with premium front-end hydraulic cylinders (such as HYVA), the cargo box lifts smoothly to a steep discharge angle for swift material release:
Why Choose the U-Type Cargo Box Design?
- Fast & Clean Unloading: Curved bottom surfaces eliminate corner dead zones, preventing sticky materials like wet clay and fine sand from clinging to box walls.
- Lower Center of Gravity: The U-shape geometry sits lower on the chassis frame, enhancing driving stability and reducing rollover risk during tipping operations.
- Higher Structural Stiffness: The curved side panels provide natural resistance against flexing and impact during loading by heavy excavators.
Heavy-Duty 4-Axle Chassis & High-Tensile Frame
Transporting heavy mining ore and construction aggregate demands a chassis that resists severe torsional stress and shock loads:
- Optimized Load Distribution: The 4-axle layout spreads heavy payloads evenly across all wheel positions, meeting regional highway axle-weight limits while protecting tires and air brakes.
- Q345/T700 Steel Frame: Submerged-arc welded main beams provide high bending resistance, ensuring the chassis remains straight even under frequent tipping operations on uneven terrain.
Need to transport non-dumping heavy machinery or crawler excavators to construction sites? Check out our heavy-duty lowbed semi trailers.
Rugged Running Gear & Custom Suspension Options
RoadKing offers tailored suspension systems built for extreme operating conditions:
- Mechanical Leaf Spring Suspension: Features thick steel spring stacks engineered for off-road mining haul routes, muddy construction sites, and demanding transport conditions across Africa, the Middle East, and South America.
- Air Suspension (Optional): Select our air suspension system for optimal shock absorption, lighter tare weight, and smoother empty-return transit.
- Brake & Safety Systems: Equipped with dual-line air brakes, emergency relay valves, and optional WABCO ABS/EBS for superior braking safety.
Industry Applications
Our 4-axle rear dump tipper trailers are widely deployed across challenging industrial sectors:
- Mining Operations: Bulk haulage of coal, iron ore, copper concentrates, bauxite, and mineral rocks.
- Construction & Aggregates: Fast delivery of sand, crushed stone, cement mix, and asphalt for infrastructure projects.
- Port & Terminal Bulk Handling: Transferring loose bulk cargo between port stockyards and inland storage facilities.
If your logistics business handles intermodal container shipping alongside bulk materials, explore our specialized skeleton trailer .
Explore Related Semi-Trailer Solutions
- Side Wall Semi Trailer – Ideal for bagged agricultural goods, livestock, and bulk cargo.
- Fuel & Liquid Tanker Trailers – Certified haulage for petroleum, diesel, and chemical liquids.
- Lowbed Semi Trailers – Engineered for heavy machinery and oversized equipment haulage.