Side roll dump semi-trailer

1. Model Classification & Application Scope

By Axle Count:

3-axle Model: Designed for short-distance transport (e.g., mine-to-local washing plant, urban muck removal) with flexible maneuverability in narrow spaces (e.g., 3.5m-wide mine lanes).

6-axle Model: Optimized for medium-to-long-haul bulk transport (e.g., aggregate from quarry to highway construction site) with high load-bearing capacity.

By Cargo Box Type:

Rectangular Cargo Box: Suitable for general bulk materials (coal, gravel) with easy side board disassembly for oversized loads.

U-shaped Cargo Box (Optional): Ideal for sticky materials (wet coal, clay) with smooth inner walls to reduce residue rate to ≤0.8%.

2. Dimensional Parameters (Compliant with GB 1589/EU 1072/2009)

3. Load-bearing Performance

Rated Payload:

3-axle Model: 32,000–38,000 kg (max. 40,000 kg for road-compliant regions).

6-axle Model: 52,000–58,000 kg (max. 60,000 kg with reinforced frame).

Gross Vehicle Weight (GVW):

3-axle Model: ≤44,000 kg.

6-axle Model: ≤68,000 kg (compliant with most global heavy-duty road limits).

Axle Load Distribution:

Single Axle Load (3-axle): ≤11,500 kg (front axles) / ≤13,000 kg (rear axles).

Single Axle Load (6-axle): ≤12,000 kg (uniform distribution for all axles).

4. Side Roll Lifting System

Hydraulic Configuration:

Cylinder Quantity: 1 (3-axle, single-stage) / 2 (6-axle, parallel double-stage; brand: Hengli/Bosch Rexroth).

Working Pressure: 16–20 MPa (ensures stable lifting under full load).

Lifting Time: 22–28 seconds (3-axle) / 35–42 seconds (6-axle) (from horizontal to max angle).

Lowering Time: 14–18 seconds (3-axle) / 22–26 seconds (6-axle) (with buffer control to avoid impact).

Lifting Performance:

Lifting Direction: Single-sided (left/right, customizable) / Dual-sided (optional, for bidirectional unloading).

Max Lifting Angle: 32°–45° (32°–38° for rectangular box; 38°–45° for U-shaped box).

Control Mode: Cab-mounted electric control + wireless remote control (effective distance: 50m, IP67 waterproof).

5. Cargo Box & Frame Structure

Cargo Box Material:

Bottom Plate: Q690 wear-resistant steel (thickness: 8–10 mm for 3-axle; 10–12 mm for 6-axle) with "herringbone" anti-slip pattern (depth: 2.5–3 mm).

Side Plate: Q345 steel (thickness: 5–6 mm for 3-axle; 6–8 mm for 6-axle) with reinforced edges (10 mm thick steel angles).

U-shaped Box (Optional): Inner wall curvature radius: 150–200 mm; material: 304 stainless steel (for corrosion-prone regions like coastal quarries).

Frame Structure:

Main Beam: Q690 high-strength steel (height: 500–600 mm; thickness: 10–12 mm) with integral pressing forming.

Cross Beam: Q345 steel (thickness: 8–10 mm; spacing: 300–400 mm) for uniform load distribution.

6. Chassis & Running Gear

Axles:

Type: Heavy-duty commercial axles (axle neck diameter: 130–150 mm; load rating: 13,000 kg/axle).

Brand Options: SAF (EU), BPW (Global), CIMC (China).

Suspension System:

Standard: Mechanical leaf spring suspension (leaf quantity: 8–10 pieces/set; material: 60Si2Mn high-elastic steel).

Optional: Air suspension (with height adjustment function, suitable for fragile cargo like processed ores).

Braking System:

Type: Dual-circuit air brake + ABS (Anti-lock Braking System, ECE R13 certified) + optional EBS (Electronic Braking System).

Brake Drum: Cast iron (diameter: 420 mm; thickness: 22 mm) with wear indicator.

Tires:

Specification: 12R22.5 (radial tire, load index: 154/150L; speed rating: M).

Quantity: 6 (3-axle) / 12 (6-axle) + 1 optional spare tire (mounted on chassis side).

7. Safety & Environmental Protection Features

Safety Devices:

Anti-rollover Support Legs: Retractable (diameter: 80–100 mm; stroke: 300–500 mm) with automatic deployment when lifting angle exceeds 10°.

Hydraulic Lock: Pressure retention time ≥48 hours to prevent accidental lowering.

Emergency Descending Valve: Manual operation for forced lowering in case of hydraulic system failure.

Environmental Configuration:

Dust-proof Cover (Optional): Electric rolling tarpaulin (PVC material, waterproof grade IPX5) with 1-minute full coverage.

Anti-leakage Design: Welded seams with 3 mm thick sealant; bottom plate slope: 3°–5° to avoid material accumulation.

8. Auxiliary Equipment

Monitoring Systems:

Liquid Level Sensor (for hydraulic oil) + Tire Pressure Monitoring System (TPMS, real-time alert for underinflation).

Lifting Angle Sensor (displayed on cab instrument panel, accuracy ±0.5°).

Maintenance Accessories:

Toolbox (capacity: 80–120 L, mounted on chassis rear) + grease nipple (centralized lubrication for axle bearings).

LED Lighting: Side marker lights (ECE R10 certified) + rear combination lights (with reverse warning function).

The Side Roll Dump Semi-trailer is a specialized bulk transport semi-trailer designed for efficient unloading in narrow spaces-integrating "heavy-load transport" and "side-tilting unloading" to address the limitations of traditional rear-dump trailers (which require large rear clearance). Its core value lies in **four unique strengths**: narrow-space adaptability (works in 3.5m-wide mine lanes or crowded construction sites), high load efficiency (32–58 tons payload), low material residue (≤0.8% with U-shaped box), and all-weather durability (anti-corrosion, anti-wear for harsh environments). Available in 3-axle (short-distance) and 6-axle (medium-long-haul) models, it complies with global standards (China GB 1589, EU 1072/2009, US DOT FMVSS 121) and integrates advanced hydraulic lifting, intelligent safety controls, and environmental protection features. By cutting on-site unloading time by 50% and reducing maintenance costs by 30%, it becomes a core equipment for global trade clients in mining, construction, and municipal logistics.

Product Details

1. Side Roll Dump Semi-trailer: 3-Axle vs. 6-Axle Model & Cargo Box Adaptation

The Side Roll Dump Semi-trailer offers tailored models and cargo box designs to match diverse transport distances and material types. The 3-axle Side Roll Dump Semi-trailer (32–38 tons payload, 11.8–13.5m overall length) is optimized for short-distance scenarios: urban muck removal (navigates narrow residential roads) and mine-to-washery coal transfer (fits 3.5m-wide mine lanes). It uses a rectangular cargo box (10.5–12.0m length, 1.4–1.8m height) with detachable side boards-easy to adjust for oversized loads like construction steel bars. The 6-axle Side Roll Dump Semi-trailer (52–58 tons payload, 15.5–17.2m overall length) targets medium-long-haul bulk transport: aggregate delivery from quarries to highway construction sites and cross-regional coal supply. It optionally offers a U-shaped cargo box (14.0–16.0m length, 1.6–2.0m height) with smooth 150–200mm curvature inner walls-reducing residue of sticky materials (wet coal, clay) to ≤0.8%, eliminating manual cleaning and saving 20 minutes per trip. Both cargo box types use wear-resistant steel (Q690 for bottom plates, Q345 for side plates) to withstand sharp material abrasion (service life ≥5 years).

2. Side Roll Dump Semi-trailer: High-Efficiency Hydraulic Lifting System

The Side Roll Dump Semi-trailer's hydraulic lifting system ensures fast, stable unloading-its core competitive edge in narrow spaces. It adopts a targeted cylinder configuration: 3-axle models use 1 single-stage hydraulic cylinder (Hengli/Bosch Rexroth) with 16–18MPa working pressure, completing full lifting (32°–38°) in 22–28 seconds; 6-axle models use 2 parallel double-stage cylinders (20MPa pressure), lifting to 38°–45° in 35–42 seconds (handles 58 tons of full load without tilting). Lifting direction is fully customizable: single-sided (left/right) (e.g., right-side lifting for mine lanes to align with discharge chutes) or dual-sided (optional for construction sites with bidirectional unloading needs). Control is dual-mode: cab-mounted electric buttons (for driver operation during transport) and IP67 waterproof wireless remote control (50m effective distance, allowing workers to adjust angle on-site to avoid material splashing). The system also has a "buffer lowering" function-reducing impact on the chassis by 40% when the cargo box returns to horizontal, extending frame life.

3. Side Roll Dump Semi-trailer: Heavy-Duty Load-Bearing Structure

The Side Roll Dump Semi-trailer's frame and cargo box structure are engineered for heavy-load durability, avoiding deformation under long-term use. The frame uses Q690 high-strength steel for main beams (500–600mm height, 10–12mm thickness) formed by integral pressing-no welding seams, ensuring torsional resistance (withstands 60 tons of concentrated load without bending). Cross beams (Q345 steel, 8–10mm thickness) are spaced 300–400mm apart-evenly distributing material weight to prevent local stress damage. The cargo box bottom plate (8–12mm thickness) features a "herringbone" anti-slip pattern (2.5–3mm depth)-preventing material shifting during downhill transport (reduces brake wear by 25%). Side plates (5–8mm thickness) have reinforced edges (10mm thick steel angles) to resist impact from falling rocks (common in mines). For coastal regions (e.g., Southeast Asian quarries), an optional zinc-plated + epoxy coating is available for the frame and cargo box-salt spray resistance ≥2,000 hours, doubling anti-corrosion life vs. standard paint.

4. Side Roll Dump Semi-trailer: Comprehensive Safety & Environmental Features

The Side Roll Dump Semi-trailer integrates multi-layer safety devices and environmental configurations to meet global regulatory and on-site requirements. Safety protections include: retractable anti-rollover support legs (80–100mm diameter, automatically deploy when lifting angle exceeds 10°-bear 30% of the frame weight to prevent tipping) and a hydraulic lock (pressure retention ≥48 hours, avoiding accidental lowering if the system leaks). An emergency descending valve allows manual forced lowering in case of power failure-critical for stuck scenarios in remote mines. For environmental compliance (e.g., EU emission standards, Chinese urban dust control), an optional electric rolling tarpaulin is available: PVC material (waterproof IPX5) covers the cargo box in 1 minute-preventing dust leakage during transport (meets China's "muck truck closed transport" regulation). The cargo box also has a 3°–5° bottom slope and sealed welds (3mm thick sealant)-avoiding fine material leakage and road pollution fines.

5. Side Roll Dump Semi-trailer: Reliable Chassis & Running Gear

The Side Roll Dump Semi-trailer's chassis and running gear ensure stable performance in harsh road conditions (mine lanes, construction site mud). It uses heavy-duty commercial axles (SAF/BPW/CIMC, 13 tons load rating per axle) with precision bearings (service life ≥100,000km)-3-axle models have 6 tires (12R22.5, 154/150L load index), 6-axle models have 12 tires + 1 optional spare tire (mounted on the chassis side). The suspension system is mechanical leaf spring (8–10 pieces/set, 60Si2Mn high-elastic steel)-handles rough roads by absorbing 60% of vibration, protecting the frame. For clients needing stable long-haul transport (e.g., cross-state aggregate delivery in the US), optional air suspension is available-reducing cargo vibration by 40% (suitable for processed ores that 怕 fragmentation). The braking system is dual-circuit air brake + ABS (ECE R13 certified) with optional EBS-shortening braking distance by 25% on wet roads, avoiding trailer sway at 80km/h.

6. Side Roll Dump Semi-trailer: Regional Customization & Global After-Sales

The Side Roll Dump Semi-trailer offers targeted regional customizations and global after-sales support to solve local pain points. For cold regions (Siberia, Canada), it adds anti-freeze hydraulic oil (suitable for -30°C) and heated brake chambers-preventing system freezing in winter. For high-altitude mines (e.g., Andes, Tibet), a high-altitude-adapted hydraulic pump is installed-maintaining normal lifting performance at 4,000m above sea level. Certification support covers CE (EU), DOT (US), CCC (China), and SONCAP (Africa)-ensuring smooth customs clearance. After-sales service includes: 2-year warranty on core components (axles, hydraulic cylinders, frame), 45+ global service centers (Germany, China, Brazil, Australia) providing on-site repairs, and spare parts kits (brake pads, cylinder seals, tarpaulin fabrics) delivered within 72 hours. We also offer free operator training (hydraulic system maintenance, safety operation) to reduce human error and downtime.

This English product introduction highlights the Side Roll Dump Semi-trailer's unique "narrow-space unloading" and "heavy-load durability" while avoiding repetition with previous semi-trailer content. It can be directly used for platform listing. If you need to emphasize niche scenarios (e.g., high-altitude mine transport), add region-specific certifications (e.g., Australia ADR, India BIS), or adjust the tone to target small logistics firms (focus on low maintenance costs), feel free to let me know for further optimization.

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