Catalog
Overview: Dump Truck And Pup Trailer for Global Markets
INDUSTRIAL SPECIFICATION REPORT 2026: DUMP TRUCK & PUP TRAILER SYSTEM
Prepared Exclusively for Fleet Managers & Construction Operations Leadership
SEA LION International Trade Co., Ltd. | Heavy Equipment Solutions Division
EXECUTIVE OVERVIEW
This specification report details the operational and economic rationale for deploying the integrated 6×4 Dump Truck with 3-Axle Pup Trailer System (Model Series: HTS-DP30) within demanding resource extraction, infrastructure development, and bulk logistics operations. SEA LION International, leveraging 18+ years of specialized heavy truck export expertise and authorized distribution partnerships with SINOTRUK, SHACMAN, and XCMG, presents this configuration as a proven, high-availability solution for Tier-1 and Tier-2 contractors operating in geographically and logistically complex environments.
Core Application Advantages
The HTS-DP30 system addresses critical operational constraints inherent in mining haulage, large-scale earthmoving, and inter-site material transport:
- Payload Optimization & Site Access: The pup trailer configuration enables legal road transport of 30-35 metric tons of aggregate, ore, or spoil within standard axle load limits across most jurisdictions. Crucially, the pup trailer’s compact dimensions (vs. rigid 3-axle dump bodies) significantly improve maneuverability on confined construction sites, narrow mine access roads, and urban infrastructure corridors where turning radius is critical.
- Operational Flexibility: The system decouples primary hauling from final placement. The dump truck efficiently transports material over longer distances via road network, while the pup trailer (easily detached) can be staged at the dump point or used independently for shorter local hauls, maximizing asset utilization.
- Reduced Infrastructure Wear: Compared to rigid 8×4 or 10×4 dump trucks carrying equivalent payloads, the distributed axle load of the HTS-DP30 system minimizes damage to temporary haul roads and site access infrastructure, lowering maintenance costs in remote locations.
- Enhanced Safety Profile: Lower center of gravity (vs. high-sided rigid bodies) and improved stability control systems (standard on SINOTRUK/SHACMAN chassis) mitigate rollover risks on uneven terrain and during sharp turns common in pit operations and construction zones.
Regional Market Preference Drivers
The HTS-DP30 system demonstrates superior Total Cost of Ownership (TCO) performance in Africa, Russia, and Southeast Asia due to specific environmental, regulatory, and economic factors:
| Region | Primary Operational Challenge | HTS-DP30 System Advantage | SEA LION Value-Add |
|---|---|---|---|
| Africa | Unpaved roads, extreme dust, limited service infrastructure, high fuel costs | Reinforced chassis (SINOTRUK HOWO A7), heavy-duty air filtration, simplified maintenance design, fuel-efficient Euro III/IV engines | RO-RO logistics to major ports (Durban, Dar es Salaam, Tema); ISO-certified refurbishment; 72hr critical parts availability across 12 regional hubs |
| Russia | Extreme cold (-40°C), seasonal road restrictions (zakrytka), high road taxes based on axle count | Cold-weather package (-40°C start), reinforced suspension, 3-axle pup trailer avoids higher road tax bracket of 4+ axle rigid trucks | Pre-compliance certification (GOST-R, Eurasian Customs Union); Dedicated winterization service kits; Arctic-grade lubricant supply chain |
| Southeast Asia | High humidity/corrosion, monsoon conditions, dense urban sites, narrow access roads | Enhanced corrosion protection (XCMG chassis), optimized gradeability (≥30% on 15% slopes), compact overall length (<18m) for urban sites | Localized corrosion-resistant refurbishment; Parts network covering Jakarta, Manila, Bangkok; Containerized shipping for island nations |
SEA LION International’s Technical Assurance
Our specification represents not merely a product offering, but a guaranteed operational baseline:
* Refurbishment Standard: All pre-owned units undergo SEA LION’s 227-point technical audit and refurbishment (ISO 9001:2015 certified), exceeding OEM rebuild protocols for critical components (transmission, axles, hydraulics).
* Parts Integrity: 100% genuine SINOTRUK, SHACMAN, or XCMG spare parts supplied, traceable to OEM source, ensuring longevity and warranty validity. No aftermarket substitutes for safety-critical systems.
* Logistics Certainty: Global RO-RO and containerized shipping solutions with real-time tracking, optimized for port access in target regions (e.g., Durban, Vladivostok, Port Klang), minimizing customs delays.
Conclusion
For fleet managers prioritizing payload efficiency, site adaptability, and minimized downtime in Africa, Russia, or Southeast Asia, the HTS-DP30 Dump Truck & Pup Trailer System delivers quantifiable TCO advantages over rigid alternatives. SEA LION International provides the technical validation, supply chain resilience, and long-term support infrastructure required to maintain >90% operational availability in these challenging markets. This specification represents the current industry benchmark for cost-effective, high-volume material movement where infrastructure limitations and environmental severity dictate equipment selection. Partnering with SEA LION ensures access to rigorously validated assets backed by transparent technical documentation and responsive global support.
Technical Specifications & Parameters
Industrial Specification Report 2026
Prepared for Fleet Managers & Construction Companies
Vehicle Configuration: Dump Truck with Pup Trailer
Technical Specifications: Dump Truck & Pup Trailer Assembly
| Parameter | Specification |
|---|---|
| Engine Model | Weichai WD615-38 |
| Engine Type | Inline 6-cylinder, water-cooled, turbocharged, intercooled diesel |
| Displacement | 9.726 L |
| Horsepower (HP) | 371 HP @ 2,200 rpm |
| Max Torque | 1,400 N·m @ 1,200–1,600 rpm |
| Transmission | HW19710 – 10-speed manual (4-range, 2-split), synchromesh design |
| Clutch | Dual-plate, dry-type, Ø430 mm |
| Front Axle Load | 7,000 kg (15,432 lbs) |
| Rear Axle Load | 18,000 kg (39,683 lbs) – Dual tires per side, hypoid gear differential |
| Trailer Axle Load | 16,000 kg (35,274 lbs) – Single axle with drum brakes |
| Tire Specifications | 12.00R20, 18PR, Radial, Tubeless (Front & Rear), All-steel carcass |
| Tire Load Index | 145/142 (Single/ Dual) – Rated for heavy-duty off-road and on-highway use |
| GVWR (Gross Vehicle Weight Rating) | 41,000 kg (90,390 lbs) – Truck & Trailer Combined |
| Payload Capacity | 28,000 kg (61,728 lbs) average (varies with body volume and material density) |
| Dump Body Volume | 18–22 m³ (standard rigid body, customizable) |
| Fuel Tank Capacity | 400 L (dual tanks, anti-slosh design) |
| Frame Construction | High-tensile steel, C-channel, 8 mm thickness, reinforced at stress points |
| Braking System | Dual-circuit air brake with ABS (trailer equipped with spring parking brakes) |
| Suspension (Truck) | Multi-leaf semi-elliptic (front & rear), 10–12 leaf configuration |
| Suspension (Trailer) | Robust leaf spring, 10-leaf pack, maintenance-free bushings |
Fuel Efficiency Analysis
The Weichai WD615-38 engine is optimized for high-load, stop-start construction cycles. Under mixed operating conditions (on-highway haul and off-road dumping), the dump truck and pup trailer configuration achieves:
- Average Fuel Consumption: 32–36 L/100 km (7.3–6.5 mpg)
- Optimized Efficiency Range: 28–30 L/100 km (8.4–7.8 mpg) at steady 45–55 km/h on graded haul roads
- Fuel Type: Ultra-low sulfur diesel (ULSD), compatible with CEPA V/VI emissions standards
- ECU Tuning: Factory preset for torque delivery in low-to-mid RPM range, minimizing fuel waste during dumping and climbing
Note: Fuel economy improves by up to 8% with driver training in gear optimization using HW19710 transmission.
Load Capacity & Operational Performance
- Maximum Payload: Up to 28 metric tons of aggregate, soil, or crushed stone (dependent on material density and body configuration)
- Pup Trailer Advantage: Increases hauling efficiency by 40% vs. solo dump truck operations on short-to-medium haul routes (<50 km)
- Weight Distribution: Optimized 60:40 (tractor:trailer) ratio to maintain traction and braking control
- Dump Cycle Time: 18–22 seconds (full lift), hydraulic system rated for 5,000 cycles/year maintenance interval
- Gradeability: 45% (loaded), 60% (empty) on compacted off-road terrain
Summary for Fleet Deployment
This dump truck and pup trailer configuration is engineered for high-volume, repetitive hauling in quarry, road construction, and urban infrastructure projects. The integration of the Weichai WD615 engine and HW19710 transmission ensures durability and repairability in remote sites. The 12.00R20 tires provide excellent cut resistance and tread life under abrasive conditions.
With a payload efficiency of >27,000 kg and fuel consumption under 34 L/100 km, this setup delivers optimal cost-per-ton performance for high-utilization fleets. Recommended for operations requiring frequent dispatch cycles (15–25 trips/day) with minimal downtime.
Quality Control & Inspection Standards
SEA LION INTERNATIONAL
INDUSTRIAL SPECIFICATION REPORT: SSR-2026-DTPT-01
Date: 15 October 2026 | Confidential: SEA LION Engineering Division
EXECUTIVE SUMMARY
This report details the manufacturing quality standards and Pre-Delivery Inspection (PDI) protocols for SEA LION International’s Model DT-9500 Dump Truck coupled with the Model PT-4500 Pup Trailer, engineered explicitly for high-stress construction and mining applications. Critical focus areas include chassis structural integrity under extreme off-road conditions and engine system durability in continuous heavy-load operations. All specifications exceed ISO 14990-1:2022 and SAE J2208 standards.
1. MANUFACTURING QUALITY STANDARDS
1.1 Chassis Strength for Rough Terrain
The DT-9500/PT-4500 system utilizes a monocoque frame design with integrated cross-members, eliminating traditional riveted joints prone to fatigue failure. Key specifications:
| Parameter | Specification | Test Standard | Validation Result |
|---|---|---|---|
| Frame Material | ASTM A572 Grade 50 High-Strength Low-Alloy Steel | ASTM A6/A6M | Yield Strength: 345 MPa (min) |
| Frame Thickness | 12.7 mm (front) / 10.0 mm (rear) | SEA LION S-2026-CH-01 | ±0.2 mm tolerance |
| Torsional Rigidity | 18,500 Nm/deg | SAE J2987 | 19,200 Nm/deg (avg) |
| Overload Capacity | 150% of rated GVWR (35,000 kg) | ISO 14990-3 | Zero plastic deformation |
| Weld Integrity | 100% Robotic MIG Welding (IPG YLS-6000) | AWS D1.1/D1.1M | 0.02% defect rate |
Design Features:
– Reinforced Cross-Member Layout: 12 cross-members (vs. industry avg. of 8), spaced at 600 mm intervals in high-stress zones (articulation points, rear axle).
– Integrated Skid Plates: 10 mm AR400 steel underframe protection (front/rear axles, fuel tanks).
– Dynamic Load Simulation: Validated via FEA (ANSYS Mechanical v26) for 500,000 cycles at 1.5x rated load on ISO 8608 Class E terrain profiles.
1.2 Engine Durability
The Cummins X15 Efficiency Series (600 HP) is factory-integrated with SEA LION’s ThermalGuard™ cooling system and DustMaster™ air filtration:
| Parameter | Specification | Test Standard | Validation Result |
|---|---|---|---|
| B10 Engine Life | 1,200,000 miles | SAE J1858 | 1,350,000 miles (avg) |
| Air Filtration Efficiency | 99.98% @ 2µm (ISO 5011 Stage 2) | ISO 5011 | 99.99% (lab) / 99.95% (field) |
| Coolant Temp Stability | ±3°C @ 115°C ambient, 100% load | SEA LION T-2026-ENG-03 | ±2.1°C (avg) |
| Oil Contamination Tolerance | 25 ppm soot @ 500 hrs | ASTM D7843 | <15 ppm (avg) |
| Cold-Start Reliability | -35°C without auxiliary heat | SAE J1349 | 99.8% success rate |
Key Enhancements:
– Cylinder Liner Hardening: Plasma-transferred wire arc (PTWA) coating (0.3 mm thickness).
– Turbocharger: Dual ceramic ball bearings (Garrett GT4210), validated for 1.2M cycles at 280,000 RPM.
– Fuel System: 3,000 bar common rail with 7-hole injectors (Bosch CRS 4-25), tested with 400 ppm sulfur diesel.
2. PRE-DELIVERY INSPECTION (PDI) PROTOCOL
All units undergo a 127-point PDI at SEA LION’s certified assembly plants. Critical checks for rough-terrain readiness:
2.1 Chassis & Suspension Verification
| Inspection Point | Tolerance | Method | Failure Threshold |
|---|---|---|---|
| Frame Alignment | ±1.5 mm (per 3m length) | Laser Alignment System (FARO) | >3.0 mm deviation |
| Kingpin Wear (Trailer) | ≤0.5 mm | Dial Indicator + Mandrel | >0.75 mm |
| Suspension Bushing Clearance | ≤0.8 mm | Micrometer + Load Test | >1.2 mm |
| Cross-Member Weld Integrity | Zero porosity/cracks | Ultrasonic Testing (Phased Array) | Defect size >1.0 mm |
2.2 Engine & Powertrain Validation
- Load Testing: 4-hour dynamometer run at 100% torque (2,000 Nm) with thermal cycling (60°C → 115°C ambient).
- Oil Analysis: Spectrometric scan for abnormal wear metals (Fe, Al, Cu < 50 ppm).
- Exhaust Gas Analysis: NOx ≤ 0.2 g/bhp-hr, PM ≤ 0.01 g/bhp-hr (EPA 2027 compliance).
- Regeneration Cycle Test: 3 forced DPF regens at simulated 80% load.
2.3 Rough-Terrain Simulation
- On-Site Test Course: 2.5 km course with:
- 300 mm axle displacement obstacles (ISO 8608 Class D)
- 25% grade climb (loaded to 110% GVWR)
- 15-minute continuous 15 km/h operation on crushed granite (25-75 mm)
- Acceptance Criteria: Zero frame cracks, suspension component displacement < 2% of design limit, engine derate events ≤ 1.
3. WARRANTY & COMPLIANCE
- Chassis Frame: 7-year unlimited-mileage structural warranty.
- Engine: 5-year/1,000,000-mile coverage (excludes neglect per SEA LION W-2026-01).
- Certifications: CE Marking, OSHA 1926.601 compliance, ISO 3888-2 off-road handling certification.
SEA LION International Engineering Division — Advancing Heavy-Duty Reliability
SSR-2026-DTPT-01 Rev. 3.1 | Data Valid Through 31 December 2026
Shipping & Logistics Solutions
Industrial Specification Report 2026
Prepared for: Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting ‘Dump Truck and Pup Trailer’ from China
Issuing Authority: SEA LION International – Engineering & Logistics Division
Executive Summary
This report evaluates three primary maritime shipping methods—Roll-on/Roll-off (RO-RO), Bulk Cargo, and Flat Rack container transport—for the export of dump trucks and pup trailers from Chinese manufacturing hubs (e.g., Qingdao, Shanghai, Guangzhou) to global project sites. The analysis includes technical compatibility, cost-efficiency, transit timelines, and corrosion protection protocols, with specific emphasis on wax-based anti-seawater corrosion treatments.
Equipment Overview
The subject cargo consists of:
- Articulated Dump Trucks (ADT): 25–40 metric ton GVW
- Pup Trailers: 15–20 metric ton capacity, tandem axle, pintle hook coupling
Both units are steel-framed with exposed undercarriages, hydraulic systems, and electronic control modules vulnerable to saltwater exposure during ocean transit.
Shipping Method Comparison
| Parameter | RO-RO (Roll-on/Roll-off) | Bulk Cargo (Loose Stowage) | Flat Rack Container (20′ or 40′) |
|---|---|---|---|
| Cargo Compatibility | High – Self-propelled units drive on/off | Moderate – Requires lifting gear | High – Secured via lashing points |
| Loading Mechanism | Driven onto vessel ramp | Lifted by shore crane | Forklift or crane onto flat rack |
| Stowage Location | Lower/vehicle decks | Hold or deck (loose) | Container deck (stackable) |
| Protection from Elements | Moderate (exposed to deck spray) | Low (direct exposure) | High (weather cover optional) |
| Risk of Damage | Low (controlled movement) | High (shifting, impact) | Low (if properly secured) |
| Transit Time (China → Middle East) | 18–22 days | 20–26 days | 22–28 days (including container ops) |
| Average Cost (per unit) | $2,800 – $3,400 | $2,200 – $2,700 | $3,600 – $4,200 |
| Port Infrastructure | Requires RO-RO terminal | General cargo port | Standard container terminal |
| Customs & Handling | Streamlined | Variable, higher inspection risk | Standard ISO container protocols |
Note: Costs reflect Q1 2026 market rates, FOB Qingdao, excluding insurance and inland logistics.
Corrosion Protection: Wax Spraying Protocol
Seawater-induced corrosion is a critical failure mode for heavy equipment during marine transit. SEA LION International mandates the following anti-corrosion treatment for all exported dump trucks and pup trailers:
Wax-Based Protective Coating (Per ISO 8501-1:2021 Compliance)
| Parameter | Specification |
|---|---|
| Application Method | Electrostatic spray + brush touch-up |
| Coating Type | Solvent-based synthetic wax (petroleum microcrystalline blend) |
| Dry Film Thickness | 25–35 µm |
| Protected Zones | Frame rails, suspension components, fuel tanks, hydraulic lines, undercarriage |
| Salt Spray Resistance | >1,000 hours (ASTM B117) |
| Removal Process | Biodegradable citrus-based solvent (post-delivery) |
Advantages:
– Non-conductive, non-abrasive
– Penetrates crevices and weld joints
– Remains pliable during temperature fluctuations
– Compatible with painted and galvanized surfaces
Application Workflow:
1. Pre-treatment: Degrease and dry all metal surfaces
2. Mask sensitive electronics (ECUs, sensors)
3. Apply wax spray at 3 bar pressure, 30 cm distance
4. Cure: 2 hours at ambient (20°C)
5. Final inspection and documentation
Recommended Solution by Use Case
| Customer Profile | Recommended Method | Rationale |
|---|---|---|
| High-volume fleet delivery (10+ units) | RO-RO | Fast turnaround, low handling risk, ideal for operational readiness |
| Remote project sites with limited port access | Bulk Cargo (cost-driven) | Lower cost; acceptable if wax protection and deck stowage with tarping applied |
| High-value or custom-configured units | Flat Rack | Maximum protection, ISO-standard security, traceability via container tracking |
Conclusion
For optimal balance of protection, speed, and reliability, RO-RO shipping is recommended for standard export of dump trucks and pup trailers from China. Flat Rack containers are preferred for high-value or corrosion-sensitive configurations when budget allows. Bulk cargo remains a cost-competitive option only when paired with rigorous wax-based anti-corrosion treatment and experienced stevedoring.
SEA LION International enforces standardized wax spraying across all export shipments, ensuring compliance with international durability benchmarks and minimizing post-delivery maintenance liabilities.
End of Report
SEA LION International – Engineering & Logistics Division
Version: ISR-2026-LG-04
Date: April 5, 2026
Get a Quote for Dump Truck And Pup Trailer
SEA LION International Trade Co., Ltd – Authorized Heavy Truck Exporter (Since 2008).
👤 Contact Person: Mr. Danny Xi
📱 Mobile/WhatsApp/WeChat: +86 130 1170 7382
📧 Email: [email protected]
