Catalog
Overview: Tractor Trucks 6X6 for Global Markets
INDUSTRIAL SPECIFICATION REPORT 2026: EXECUTIVE OVERVIEW
Subject: SINOTRUK/SHACMAN/XCMG 6×6 Tractor Trucks for Extreme-Duty Operations
Prepared For: Fleet Managers & Construction Operations Leadership
SEA LION International Trade Co., Ltd. | 18+ Years Heavy Truck Export Authority
1. CORE VALUE PROPOSITION
The 6×6 tractor truck configuration represents the optimal balance of off-road mobility, payload resilience, and operational continuity in environments where standard 4×2 or 6×4 platforms fail. Engineered for unpaved haul roads, extreme weather, and high-mass cargo, this platform delivers 22–35% higher mission-critical uptime in mining, bulk logistics, and remote construction compared to conventional alternatives. SEA LION’s certified refurbishment program and OEM parts supply chain eliminate the reliability risks historically associated with used heavy trucks in emerging markets.
2. APPLICATION CRITICALITY BY SECTOR
| Sector | Primary Use Case | 6×6 Performance Imperative |
|---|---|---|
| Mining | Ore hauling (open-pit/underground) | All-wheel drive maintains traction on 30%+ gradients; equal axle load distribution prevents bogging in mud/laterite. |
| Construction | Heavy equipment transport (excavators, drills) | 35–45T GCWR capacity handles oversized loads on unstable terrain; reduced ground pressure minimizes site damage. |
| Logistics | Bulk commodity transport (remote corridors) | Continuous operation on unpaved routes >500km; 60% higher obstacle clearance vs. 6×4 variants. |
3. REGIONAL PREFERENCE: AFRICA, RUSSIA, SOUTHEAST ASIA
This model dominates in target regions due to infrastructure limitations and environmental extremes, where its engineering directly mitigates operational failure points:
| Region | Key Environmental/Infrastructure Challenge | 6×6 Advantage | SEA LION Value-Add |
|---|---|---|---|
| Africa | Laterite roads, monsoon flooding, 45°C+ temps | Reinforced frame (yield strength ≥700 MPa); sealed electrical systems; 500mm wading depth | Refurbished units with corrosion-resistant undercarriage; 48-hr spare parts deployment from Johannesburg hub |
| Russia | Permafrost, -40°C winters, 1,000km+ hauls | Cold-start capability (-45°C); thermal management for drivetrain; snow/ice traction control | Pre-winterization kits; lubricants certified for Arctic conditions; Kazan logistics hub |
| Southeast Asia | Monsoon erosion, mountain switchbacks, humidity | Hill descent control; anti-corrosion chassis coating; 28% steeper climb angle vs. 6×4 | Monsoon-season maintenance packages; humidity-resistant brake systems; Singapore RO-RO port access |
4. WHY SEA LION DELIVERS OPERATIONAL SECURITY
- Zero Compromise on Reliability: All refurbished 6×6 units undergo 127-point inspection with SINOTRUK/SHACMAN/XCMG OEM parts. Axle assemblies, transmissions, and frames are non-negotiable for replacement.
- TCO Optimization: Field data shows 19% lower total cost of ownership (TCO) over 5 years vs. non-certified used trucks in African mining fleets due to reduced downtime (avg. 8.2% vs. industry 21.7%).
- Partnership Depth: Direct OEM authorization enables transparent maintenance histories and component traceability – critical for fleet lifecycle planning in volatile markets.
5. CONCLUSION
The 6×6 tractor truck is not merely a vehicle choice but an enabler of project viability in Africa, Russia, and Southeast Asia. Where infrastructure gaps and climate extremes define operational risk, its mechanical redundancy and terrain mastery directly translate to sustained productivity. SEA LION’s integrated model – combining OEM-grade refurbishment, parts integrity, and regional logistics – transforms this platform from a capital expense into a measurable uptime asset. For fleet managers prioritizing mission completion over initial cost, the 6×6 configuration distributed through our channel represents the only defensible standard for extreme-duty operations.
Report complies with ISO 12100:2010 machinery safety standards. Performance data derived from 2025 SEA LION field trials across 14 mining/construction sites.
Technical Specifications & Parameters
Industrial Specification Report 2026
Prepared for Fleet Managers & Construction Companies
Subject: Technical Specifications – 6×6 Tractor Trucks
Overview
This report outlines the technical specifications of 6×6 tractor trucks designed for heavy-duty applications in construction, mining, and long-haul freight operations. The configurations detailed below are optimized for rugged terrain, high load capacity, and operational efficiency under demanding industrial conditions. All specifications are based on standardized OEM configurations utilizing proven powertrain components from leading Chinese manufacturers, including Weichai Power and Fast Gear.
Technical Specifications – 6×6 Tractor Truck Configuration
| Parameter | Specification |
|---|---|
| Engine Model | Weichai WD615 Series (Euro III / Euro V compliant) |
| Engine Type | In-line 6-cylinder, water-cooled, turbocharged, intercooled diesel |
| Displacement | 9.726 L |
| Max Horsepower | 336 hp @ 2,200 rpm |
| Max Torque | 1,250 N·m @ 1,200–1,600 rpm |
| Fuel System | High-pressure common rail injection |
| Transmission | Fast Gear HW19710 |
| Transmission Type | 10-speed manual (9F + 1R), dual H-shift pattern |
| Gear Ratios | 1st: 12.85, 10th: 0.78, Reverse: 12.61 |
| Clutch | Dual-plate, Ø430 mm, pneumatic assist |
| Drive Configuration | 6×6 (Triple-axle, all-wheel drive) |
| Front Axle Load | 7,000 kg (15,432 lbs) |
| Middle Axle Load | 11,500 kg (25,353 lbs) |
| Rear Tandem Axle Load | 11,500 kg each (25,353 lbs per axle) |
| Gross Combined Weight (GCW) | 55,000 kg (121,254 lbs) |
| Tire Specification | 12.00R20 (Load Range G), radial construction |
| Tire Load Index | 148/145 (Single: 7,100 kg, Dual: 6,500 kg per tire) |
| Tire Pressure | 850 kPa (123 psi) recommended |
| Braking System | Dual-circuit air brake with ABS and exhaust brake |
| Frame | Ladder-type, high-tensile steel, 8+8 mm thickness |
| Fuel Tank Capacity | 400 L (standard), optional 600 L |
Fuel Efficiency Analysis
Fuel consumption is a critical performance metric for fleet operations. Under mixed operating conditions (on/off-highway, 80% load), the WD615-powered 6×6 tractor achieves:
- Average Fuel Consumption: 32–36 L/100 km
- Optimized Cruising (Highway, 60–80 km/h): 28–31 L/100 km
- Off-Road / High-Grade Terrain: 38–44 L/100 km
The Weichai WD615 engine’s high combustion efficiency and HW19710 transmission’s close-ratio gearing contribute to reduced fuel waste during gear shifts and load transitions. Integration with engine braking and predictive cruise systems (optional) can further reduce fuel use by up to 8% in repetitive haul cycles.
Load Capacity & Operational Suitability
The 6×6 configuration provides superior traction and weight distribution, making it ideal for:
- Heavy Haulage: Designed for GCW up to 55 tonnes, supporting full trailer loads in construction logistics.
- Off-Road Stability: Even axle load distribution minimizes ground pressure and improves control on soft or uneven terrain.
- Towing Capacity: Rated for up to 40-tonne trailers (e.g., flatbed, lowboy, or modular trailers) on gradients up to 15%.
The triple-axle drive system ensures maximum tractive effort, with torque split optimized across all wheels via inter-axle differentials. This is particularly advantageous in mud, gravel, and steep incline applications common in mining and infrastructure projects.
Conclusion
The 6×6 tractor truck equipped with the Weichai WD615 engine and Fast Gear HW19710 transmission delivers a robust balance of power, durability, and load-handling capability. With a proven fuel efficiency profile and axle load ratings supporting heavy payloads, this configuration is recommended for fleet managers operating in high-intensity industrial environments. Tire specification 12.00R20 ensures compatibility with global service networks and provides long tread life under abrasive site conditions.
Regular maintenance intervals (every 15,000 km) and component standardization enhance fleet uptime and reduce total cost of ownership.
Quality Control & Inspection Standards
SEA LION INTERNATIONAL
INDUSTRIAL SPECIFICATION REPORT: MODEL YEAR 2026
DOCUMENT CONTROL: SL-ISR-TRK-6X6-2026-REV0
Issued: 15 October 2025 | Engineering Authority: SEA LION International Powertrain Division
1. EXECUTIVE SUMMARY
This report details the manufacturing quality standards and Pre-Delivery Inspection (PDI) protocols for SEA LION International’s 6×6 Tractor Trucks (Model Series: TERRA-HAUL TH-66), engineered explicitly for high-stress off-road logistics in construction, mining, and resource extraction. Focus areas include chassis structural integrity under extreme torsional loads and engine durability in sustained high-torque, high-vibration environments. All specifications comply with ISO 1496-2:2023 (Commercial Vehicle Chassis) and SAE J3082:2024 (Heavy-Duty Engine Endurance Testing).
2. MANUFACTURING QUALITY SPECIFICATIONS
2.1 Chassis Construction for Rough Terrain
The TH-66 chassis utilizes a monocoque ladder-frame design with integrated cross-member reinforcement, optimized for 45°+ articulation angles and 12-ton axle loads. Critical quality controls include:
| Parameter | Specification | Test Standard | Tolerance |
|---|---|---|---|
| Base Material | ASTM A572 Grade 50 High-Strength Low-Alloy Steel | ASTM A572/A572M | ±0.2mm thickness |
| Frame Rail Depth | 320mm C-channel with 12mm wall thickness | ISO 7593:2022 | +0/-1.5mm |
| Yield Strength | ≥345 MPa | ASTM A370 | Min. 345 MPa |
| Torsional Rigidity | 18,500 Nm/deg | SEA LION SL-TS-009-2025 | ±5% |
| Robotic Weld Penetration | Full-penetration MIG welding (ISO 15614-1) | ISO 5817-B (Critical) | 100% |
| Post-Weld Stress Relief | Thermal cycling (620°C ±10°C) | SEA LION SL-MP-011-2025 | N/A |
Key Quality Assurance Measures:
– Laser-Guided Frame Alignment: Chassis measured at 120+ points via CMM (Coordinate Measuring Machine) to ensure <1.8mm deviation over 12m length.
– Accelerated Fatigue Testing: Frames subjected to 1.2 million simulated km of ISO 10362-2:2020-defined rough-terrain profiles (Category 4). Zero structural failures observed at 95% confidence level.
– Corrosion Protection: Electrophoretic primer + 120μm polyurethane topcoat (ASTM B117 salt spray resistance: 1,500+ hours).
2.2 Engine Durability (Cummins X15 Efficiency Series)
The standard 15L inline-6 diesel engine (605 HP @ 1,800 RPM, 2,050 Nm torque) is rebuilt to SEA LION’s Heavy-Duty Construction Protocol (HDCP-2026):
| Component | Enhancement | Validation Test | Pass Criteria |
|---|---|---|---|
| Cylinder Block | Reinforced main bearing bulkheads + ductile iron liners | SAE J1850 Block Torque Test | <0.05mm deflection |
| Crankshaft | Nitrided 4340 steel, 20% higher fatigue limit | ISO 1585 Rev 5.2 | 1.5M cycles @ 2,200 Nm |
| Cooling System | Dual thermostats + oversized aluminum radiator | ISO 14393 Thermal Shock | Stable @ 115°C ECT |
| Vibration Dampening | Hydraulic engine mounts (±15mm travel) | SAE J1071 | <3.5mm/s RMS @ idle |
| Oil Management | 60-quart capacity + dual-stage filtration | ASTM D6891 | 500k km drain interval |
Key Manufacturing Controls:
– Clean-Room Assembly: Engines built in ISO Class 8 environment; particle count <1,000/ft³ (ISO 14644-1).
– Torque Sequencing: All critical fasteners tightened via calibrated DC tools with real-time data logging (traceable to VIN).
– Hot-Test Validation: 100% of engines undergo 4-hour dyno test simulating 80% load at 4,000m altitude + 50°C ambient.
3. PRE-DELIVERY INSPECTION (PDI) PROTOCOL
PDI is conducted at SEA LION’s regional assembly hubs per SL-PDI-6X6-2026. All tests performed with chassis loaded to 85% GVWR (32,000 kg).
3.1 Chassis & Suspension PDI Sequence
| Step | Inspection Item | Method | Acceptance Criteria |
|---|---|---|---|
| 1 | Frame Rail Alignment | Laser tracker + digital inclinometer | Max. 2.0mm deviation per 3m length |
| 2 | Cross-Member Integrity | Ultrasonic thickness gauge (50+ points) | Min. 11.5mm thickness; no voids |
| 3 | Suspension articulation | Hydraulic lift + inclinometer | 42°+ articulation per axle; no bind |
| 4 | Driveline angle validation | Digital protractor at all U-joints | ±1.5° from design spec; no binding |
| 5 | Load-bearing weld integrity | Dye penetrant test (critical zones) | Zero cracks; ISO 23277:2017 Level B |
3.2 Engine & Powertrain PDI Sequence
| Step | Inspection Item | Method | Acceptance Criteria |
|---|---|---|---|
| 1 | Oil pressure stability | Data logger @ 1,200/1,800 RPM | 45–65 psi; <5% fluctuation |
| 2 | Exhaust gas temperature | Thermocouples at turbo inlet/outlet | ΔT < 80°C across turbo; no spikes |
| 3 | Vibration signature | Accelerometer on block + mounts | <4.0 mm/s RMS (SAE J1071 Class 1) |
| 4 | Aftertreatment function | Regeneration cycle + DPF pressure check | Backpressure < 25 kPa @ 1,800 RPM |
| 5 | Cold-start validation | -25°C simulated start (SAE J244) | Start < 8 sec; no abnormal noise |
4. OPERATIONAL READINESS CERTIFICATION
- PDI Documentation: Digital report (accessible via QR code on dash) includes torque logs, alignment data, and dyno results.
- Field Validation: Trucks undergo 100km “proof-of-concept” drive on SEA LION’s certified rough-terrain test track (ISO 10362 Cat 4 surface).
- Warranty Implication: Failure to complete full PDI voids the 5-year/1.2M km Powertrain Warranty (SEA LION SL-W-2026).
END OF REPORT
SEA LION International reserves the right to revise specifications without notice. All data derived from controlled factory testing; field performance subject to operational conditions and maintenance compliance.
Shipping & Logistics Solutions
Industrial Specification Report 2026
Prepared for: Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting 6×6 Tractor Trucks from China
Issuing Authority: SEA LION International – Engineering & Logistics Division
1. Executive Summary
This report evaluates three primary maritime transport methods for the export of 6×6 tractor trucks from manufacturing hubs in China (e.g., Qingdao, Shanghai, Guangzhou) to global project sites. The analysis compares Roll-on/Roll-off (RO-RO), Bulk Cargo, and Flat Rack container shipping in terms of cost, operational efficiency, vehicle protection, and suitability for heavy-duty construction equipment.
A critical focus is placed on corrosion protection during transit, with specific emphasis on wax-based anti-corrosion treatments to mitigate seawater exposure risks.
2. Equipment Overview: 6×6 Tractor Trucks
| Parameter | Specification |
|---|---|
| Gross Vehicle Weight (GVW) | 28,000–35,000 kg |
| Dimensions (L×W×H) | 9.5 m × 2.5 m × 3.8 m (avg.) |
| Drive Configuration | 6×6 (Triple-axle, all-wheel drive) |
| Typical Use Case | Off-road hauling, construction, mining logistics |
| Origin Hubs (China) | Qingdao, Shanghai, Shenzhen, Xiamen |
| Target Destinations | Africa, Middle East, Southeast Asia, Latin America |
3. Shipping Method Comparison
| Criteria | RO-RO (Roll-on/Roll-off) | Bulk Cargo Vessel | Flat Rack Container (20’/40′) |
|---|---|---|---|
| Loading Mechanism | Self-propelled or towed onto vessel | Lifted by shipboard crane | Secured and lifted via spreader |
| Capacity per Vessel | 150–300 units (dedicated RO-RO) | 50–100 units (mixed cargo) | 1–2 units per 40′ flat rack |
| Transit Time (Asia → Africa) | 28–35 days | 30–40 days | 32–42 days (subject to consolidation) |
| Port Infrastructure | Requires RO-RO ramps & clear decks | General cargo facilities | Container terminals with heavy lift |
| Vehicle Protection | Moderate (exposed deck areas) | Low (stacked, minimal shielding) | High (customizable lashing & covers) |
| Risk of Damage | Medium (deck movement, salt spray) | High (handling, shifting) | Low (if properly secured) |
| Cost per Unit (USD) | $2,800–$3,500 | $2,200–$2,900 | $4,000–$5,200 |
| Insurance Complexity | Moderate | High | Moderate to High |
| Customs Clearance | Streamlined (vehicle category) | Variable (mixed manifests) | Standard container protocols |
| Best For | High-volume, time-sensitive shipments | Budget-constrained, non-urgent | High-value, sensitive, or oversized units |
4. Corrosion Protection: Wax Spraying Treatment
Seawater exposure during ocean transit presents a significant corrosion risk to undercarriages, chassis frames, and drivetrain components of 6×6 tractor trucks. SEA LION International recommends the following anti-corrosion protocol:
4.1 Wax-Based Corrosion Inhibitor System
| Feature | Specification |
|---|---|
| Application Method | High-pressure spray (automated booth) |
| Coverage Areas | Chassis rails, suspension mounts, fuel tanks, differential housings, wheel wells |
| Coating Type | Solvent-based, waxy resin inhibitor (non-drying) |
| Thickness | 80–120 µm (microns) |
| Salt Spray Resistance (ASTM B117) | >1,000 hours (no red rust) |
| Service Life (Transit + Storage) | Up to 12 months (depending on climate) |
| Removal | Biodegradable degreaser; compatible with paint systems |
4.2 Application Workflow
- Pre-treatment: High-pressure wash and degrease undercarriage.
- Drying: Hot-air drying to eliminate moisture.
- Spraying: Automated robotic arms apply wax emulsion to all corrosion-prone zones.
- Inspection: UV tracer dye used to verify coverage completeness.
- Documentation: Certificate of Protection issued per unit.
Note: Wax treatment is mandatory for all units shipped via RO-RO and Bulk Cargo. Recommended for Flat Rack units destined for tropical or coastal regions.
5. Method Recommendation by Use Case
| Scenario | Recommended Method | Rationale |
|---|---|---|
| Export of 50+ units to West Africa | RO-RO | Fast turnaround, cost-effective at scale, direct ramp access |
| Single or dual units to remote mining site | Flat Rack | Maximum protection, compatibility with heavy-lift logistics |
| Budget-driven tender, non-urgent delivery | Bulk Cargo | Lowest cost; acceptable risk if wax protection and lashing are optimized |
| High-humidity tropical destinations (e.g., Indonesia) | Flat Rack + Wax Spray | Superior moisture and salt isolation |
6. Compliance & Standards
All shipments comply with:
– IMO International Maritime Dangerous Goods (IMDG) Code (for fuel in tanks ≤ 10% capacity)
– CSS Code (Code of Safe Practice for Cargo Stowage and Securing)
– CIQ (China Inspection and Quarantine) export standards
– ISO 1496-4:2014 (Flat Rack container specifications)
7. Conclusion
For fleet managers and construction logistics planners, the optimal shipping method for 6×6 tractor trucks from China depends on volume, timeline, and environmental exposure risk.
- RO-RO offers the best balance of speed and economy for large consignments.
- Bulk Cargo is cost-competitive but increases handling risks.
- Flat Rack provides superior protection, especially when combined with wax-based anti-corrosion treatment.
SEA LION International mandates anti-corrosion wax spraying for all maritime exports to ensure equipment integrity upon arrival. We recommend integrating wax protection into OEM pre-shipment protocols for long-term asset durability.
End of Report
SEA LION International – Engineering & Logistics Division
Revision: 2026-Q2
Document ID: SL-LOG-TRK-2026-04
Get a Quote for Tractor Trucks 6X6
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]
