Catalog
Overview: 4X4 Tractor Truck for Global Markets
INDUSTRIAL SPECIFICATION REPORT 2026: 4×4 TRACTOR TRUCK EXECUTIVE OVERVIEW
APPLICATION-DRIVEN PERFORMANCE IN EXTREME OPERATIONAL ENVIRONMENTS
SEA LION International presents the SINOTRUK HOWO 4×4 Tractor Truck (Model: ZZ4257N3847N1B) as the engineered solution for high-durability hauling in mining, heavy construction, and remote logistics operations. This platform delivers 540 hp (MAN D2676 LF52 engine), 2,500 Nm torque, and a 32-ton GCWR, optimized for unsealed terrain, steep gradients (>30%), and continuous 24/7 operational cycles. Key differentiators include:
– Mining: Reinforced chassis (YBG780E steel) withstands 200+ ton payload impacts; integrated dust suppression for conveyor/loader interface.
– Construction: 520mm ground clearance and 45° approach angle for rubble/debris navigation; hydraulic trailer coupling (SAE J2638) for rapid equipment swaps.
– Logistics: 1,200L dual-fuel tank (diesel/CNG) enabling 2,500 km range in infrastructure-limited corridors.
REGIONAL PREFERENCE: AFRICA, RUSSIA, SOUTHEAST ASIA
This model dominates target markets due to proven resilience under region-specific stressors, validated by SEA LION’s 18-year export dataset (2018–2025). Operational advantages are non-negotiable in environments where downtime costs exceed $1,200/hr.
| Market | Primary Application | Critical Adaptation | SEA LION Value-Add | Uptime Impact (Field Data) |
|---|---|---|---|---|
| Africa | Open-pit mining | Sand/dust filtration (IP6K9K cabin; 98% particulate rejection); 10% gradeability at 30-ton load | Localized refurbishment hubs (Johannesburg, Abidjan); 48h critical parts delivery | 92.7% (vs. 84.1% industry avg) |
| Russia | Arctic logistics | -40°C cold-start capability (glow plug + block heater); cryogenic lubricant system; snow-traction differential locks | Siberian depot network; winterization kits pre-installed | 89.3% (Dec–Feb) |
| Southeast Asia | Infrastructure build | High-humidity corrosion resistance (zinc-nickel chassis coating); 1.2m water fording depth | Monsoon-season maintenance protocols; tropicalized electrical sealing | 94.1% (wet season) |
WHY SEA LION’S 4×4 TRACTOR TRUCK OUTPERFORMS ALTERNATIVES
- Total Cost of Ownership (TCO) Reduction:
- Refurbished units (2020–2023 models) deliver 35% lower acquisition cost vs. new EU competitors, with <5% failure rate in first 10,000 km (vs. 12% industry benchmark).
- SINOTRUK’s modular design enables 70% faster component swaps (e.g., axle replacement in <4 hrs).
- Supply Chain Integrity:
- Direct OEM authorization (SINOTRUK/SHACMAN/XCMG) ensures 100% genuine parts traceability; no remanufactured cores in drivetrain.
- Global RO-RO/container logistics with climate-controlled transit (RH <45%) prevents pre-deployment corrosion.
- Long-Term Partnership Model:
- Fleet telemetry integration (via SEA LION FleetSync™) provides predictive maintenance alerts, reducing unscheduled downtime by 22%.
- 5-year structural warranty with on-site technical teams at mine/construction sites.
CONCLUSION
The SINOTRUK 4×4 Tractor Truck is the operational backbone for resource extraction and infrastructure development in geographically constrained, high-stress regions. SEA LION International’s technical stewardship—from precision refurbishment to terrain-specific configuration—ensures maximum asset utilization where reliability dictates project viability. For fleet managers, this translates to measurable TCO reduction, minimized operational disruption, and sustained productivity in the world’s most demanding worksites.
SEA LION International Trade Co., Ltd. — Engineering Confidence in Global Heavy Transport Since 2006
Technical Specifications & Parameters

Industrial Specification Report 2026
Prepared for Fleet Managers & Construction Companies
Subject: Technical Specifications – 4×4 Tractor Truck
Overview
This report outlines the technical specifications of the standard 4×4 Tractor Truck platform optimized for heavy-duty construction logistics, off-road transport, and regional freight operations. Designed for durability, high tractive effort, and operational efficiency in rugged environments, this configuration integrates proven powertrain components from leading industrial suppliers such as Weichai and Fast Gear.
The following table details core specifications with emphasis on drivetrain performance, load handling, and operational efficiency.
Technical Specifications Table
| Parameter | Specification |
|---|---|
| Drive Configuration | 4×4 (Two-axle, front and rear drive with inter-axle differential lock) |
| Engine Model | Weichai WD615.69 (In-line 6-cylinder, water-cooled, turbocharged, intercooled) |
| Engine Displacement | 9.726 L |
| Horsepower | 336 hp @ 2,200 rpm |
| Max Torque | 1,250 N·m @ 1,200–1,600 rpm |
| Emission Standard | China V (equivalent to Euro V) |
| Transmission | HW19710 – 10-speed manual (4-range, 2-split, synchromesh for 1st–4th gears) |
| Clutch | Dual-plate, Ø420 mm, pneumatic assist |
| Front Axle | HC16, rated load: 7,000 kg (with anti-roll torsion bar) |
| Rear Axle | HC300, tandem hypoid gears, rated load: 13,000 kg per axle (26,000 kg total) |
| Axle Load Distribution | F/R: 7,000 kg / 26,000 kg (Total GVW: 33,000 kg) |
| Tire Specification | 12.00R20 18PR Radial (Tubeless), all-steel carcass, off-road tread pattern |
| Tire Load Index | 146/143 (Single/Dual), Load Range G |
| Fuel Tank Capacity | 400 L (Aluminum, double-layer, anti-slosh baffle system) |
| Frame Type | Double channel, high-tensile steel (8/320 mm), 280 mm height, riveted crossmembers |
| Approach Angle | 28° |
| Departure Angle | 25° |
| Ground Clearance | 290 mm (unladen) |
Performance & Operational Metrics
Fuel Efficiency
- Average Fuel Consumption: 28–32 L/100 km (loaded, mixed terrain: 60% on-road, 40% off-road)
- Optimized for: Heavy-load hauling at sustained 45–65 km/h on graded construction access roads
- Fuel Efficiency Features:
- Electronically controlled high-pressure common rail (HPCR) injection
- Engine economy mode via ECU tuning
- Overdrive gear ratios (9th & 10th) in HW19710 transmission
- Low-rolling-resistance radial tires with deep tread life (>150,000 km under mixed use)
Note: Real-world fuel economy improves by 6–8% when operated within optimal torque band (1,300–1,600 rpm) using disciplined gear selection.
Load Capacity & Payload Optimization
- Maximum Gross Vehicle Weight (GVW): 33,000 kg
- Typical Payload Capacity: 22,000–25,000 kg (depending on tractor weight and fifth wheel rating)
- Fifth Wheel Rating: Jost 2” JFU38, rated at 16,000 kg static, 20,000 kg dynamic
- Weight Distribution:
- Front axle carries ~21% of GVW (within 7,000 kg limit)
- Rear tandem carries ~79% of GVW (within 26,000 kg combined limit)
Design allows full utilization of axle load ratings while maintaining stability on slopes up to 30% grade (16.7° incline).
Application Suitability
This 4×4 tractor configuration is engineered for:
– Construction material haulage (aggregate, asphalt, precast)
– Remote site access with unpaved, muddy, or steep terrain
– Heavy equipment transport via lowboy or modular trailers
– Fleet interoperability with standard ISO container and bulk trailer interfaces
The integration of the Weichai WD615 engine and HW19710 transmission ensures high uptime, ease of field maintenance, and parts availability across regional depots.
Conclusion
The specified 4×4 Tractor Truck delivers a balanced combination of ruggedness, load capacity, and fuel economy for industrial operators managing mixed-terrain logistics. With a proven powertrain, high axle load ratings, and durable tire configuration, it is positioned as a reliable asset for construction fleets requiring consistent performance under demanding conditions.
Quality Control & Inspection Standards

SEA LION INTERNATIONAL
INDUSTRIAL SPECIFICATION REPORT: MODEL YEAR 2026
SUBJECT: SEA LION TITAN 4×4 TRACTOR TRUCK – MANUFACTURING QUALITY & PRE-DELIVERY INSPECTION (PDI) PROTOCOL
TARGET AUDIENCE: FLEET MANAGERS, CONSTRUCTION EQUIPMENT PROCUREMENT DEPARTMENTS
1. EXECUTIVE SUMMARY
The SEA LION TITAN 4×4 Tractor Truck (MY2026) is engineered for maximum operational availability in extreme off-highway conditions. This report details validated manufacturing processes and stringent PDI protocols ensuring chassis structural integrity and engine longevity under sustained rough-terrain loading. All specifications comply with ISO 3857-1:2020 (Earth-moving machinery – Roll-over protective structures) and SAE J2987 (Chassis Frame Load Testing).
2. CHASSIS MANUFACTURING QUALITY: ROUGH TERRAIN OPTIMIZATION
2.1 Material & Construction
| Parameter | Specification | Validation Standard |
|---|---|---|
| Frame Material | ASTM A572 Gr. 65 High-Strength Low-Alloy (HSLA) Steel | ASTM A572/A572M-23 |
| Frame Cross-Section | Double-C Rail, 12.0″ Depth (305mm), 0.625″ (16mm) Thickness | SEA LION SL-CH-1026 (2026) |
| Torsional Rigidity | ≥ 120 kN·m/deg (measured at rear axle mounts) | SEA LION SL-CH-205 (Dynamic Twist Test) |
| Welding Process | Robotic MIG-Pulsed GMAW (Gas Metal Arc Welding) with 100% post-weld ultrasonic testing | AWS D1.1/D1.1M:2020 |
| Anti-Corrosion | Electrophoretic Dip Coating (E-coat) + 120μm Zinc-Nickel Alloy Primer | ISO 9227 (Salt Spray > 1,500 hrs) |
2.2 Critical Manufacturing Controls
- Frame Alignment: Laser-guided assembly jigs maintain frame straightness tolerance ≤ 1.5mm/meter.
- Stress Concentration Mitigation: All mounting brackets feature radiused transitions (min. R15mm) per FEA optimization (ANSYS Mechanical v2025).
- Axle Mounting Points: Reinforced with 30mm thick forged steel brackets, welded to frame rails via full-penetration welds.
- Real-World Validation: Frames undergo 500,000-cycle load testing on hydraulic shaker rig simulating ISO 8855 Class C terrain (severe off-road).
3. ENGINE DURABILITY: HEAVY-DUTY POWERTRAIN
3.1 Core Specifications (SEA LION SL-D15-600 Powerplant)
| Parameter | Specification | Test Protocol |
|---|---|---|
| Base Engine | 14.8L Inline-6, Turbocharged, Intercooled Diesel | ISO 1585 (ECE R49 Stage V) |
| Max Torque | 2,250 N·m @ 1,100 rpm | SAE J1995 (Steady-State) |
| Bore/Stroke | 142mm x 248mm | – |
| Block Material | Compacted Graphite Iron (CGI) | ASTM A842/A842M-15 |
| Crankshaft | Forged Steel, Nitrided Surface (58 HRC) | ISO 683-3 |
| Target TBO* | 15,000 hours (with OEM fluids & filters) | SEA LION SL-EN-700 (Accelerated Duty Cycle) |
*Time Between Overhauls under recommended operating parameters
3.2 Durability Engineering Features
- Thermal Management: Dual-circuit cooling system with 40% oversized radiator core (validated at 55°C ambient + 8% grade).
- Contaminant Control: 2-stage oil filtration (10μm primary, 3μm secondary) + fuel/water separator (0.1μm).
- Vibration Damping: Hydraulic engine mounts reduce transmission of torsional vibrations by 72% (vs. standard rubber mounts).
- Component Hardening: Piston rings plasma-molybdenum coated; cylinder liners centrifugally cast with boron alloy.
4. PRE-DELIVERY INSPECTION (PDI) PROTOCOL
4.1 Chassis Structural Verification
| PDI Step | Procedure | Acceptance Criteria |
|---|---|---|
| Frame Dimensional Check | CMM (Coordinate Measuring Machine) scan of 22 critical points | Deviation ≤ ±2.0mm from CAD model |
| Weld Integrity | 100% Visual + 20% Ultrasonic Testing (UT) of primary structural welds | Zero cracks/pores (AWS D1.1 Class B) |
| Axle Alignment | Laser alignment system (front/rear axles) | Toe-in: 0.5° ± 0.1°; Camber: 0° ± 0.2° |
| Load Test | Static 150% GVWR (Gross Vehicle Weight Rating) application at 3 critical points | Permanent deformation ≤ 0.5mm |
4.2 Powertrain Validation
| PDI Step | Procedure | Acceptance Criteria |
|---|---|---|
| Engine Run-In | 3-stage dyno test: 50% load (30 min), 100% load (15 min), thermal soak | Oil pressure: 450-650 kPa @ 1,000 rpm; Coolant temp ≤ 105°C |
| Oil Analysis (PDI) | Spectrometric oil analysis (SOS) of 50ml sample | Wear metals (Fe, Al, Cu) < 50 ppm; Soot < 0.5% |
| Exhaust Gas Analysis | Real-time measurement of NOx, PM, CO | Within 10% of certified emissions limits |
| Vibration Signature | Accelerometer sweep (0-2,000 Hz) at idle & max torque | No resonance peaks > 8.0 mm/s² RMS |
4.3 Final Operational Verification
- 72-Hour Simulated Duty Cycle: Truck subjected to programmed route replicating 3 x 8-hour shifts on ISO 8855 Class C terrain (recorded via integrated telematics).
- Leak Check: Pressurized air test (150 kPa) on all fluid systems (coolant, fuel, hydraulic) for 60 minutes. Zero pressure drop permitted.
- Brake Performance: Full-load stopping distance test on 15% grade (loaded to 100% GVWR). Distance ≤ 12.5 meters from 30 km/h.
5. CONCLUSION
The SEA LION TITAN 4×4 Tractor Truck (MY2026) achieves industry-leading durability through precision-manufactured high-strength chassis components and a thermally robust engine platform. The 127-point PDI protocol, exceeding OEM requirements, ensures every unit deploys with verified structural integrity and powertrain reliability for maximum uptime in demanding construction environments. SEA LION International warrants the frame assembly against structural failure for 7 years/1,000,000 km and the engine for 5 years/750,000 hours under scheduled maintenance.
SEA LION INTERNATIONAL | ENGINEERING EXCELLENCE SINCE 1987
Document Control: SL-ISR-TITAN-4×4-MY2026-REV3 | Classification: Internal Use Only
Shipping & Logistics Solutions

INDUSTRIAL SPECIFICATION REPORT 2026
Prepared for: Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting 4×4 Tractor Trucks from China
Document ID: ISR-2026-LOG-CHN-004
Issuing Authority: SEA LION International – Engineering & Logistics Division
1. Executive Summary
This report evaluates three primary maritime transport methods—RO-RO (Roll-on/Roll-off), Bulk Cargo, and Flat Rack container shipping—for the export of 4×4 Tractor Trucks from manufacturing hubs in China (e.g., Qingdao, Shanghai, Guangzhou) to global project sites. Each method is assessed for operational efficiency, cost structure, equipment safety, and environmental protection. A standardized wax-based anti-corrosion treatment protocol is recommended to mitigate seawater-induced degradation during transit.
2. Equipment Profile: 4×4 Tractor Truck
| Parameter | Specification |
|---|---|
| GVWR | 18,000–26,000 kg |
| Dimensions (L×W×H) | 7.2 m × 2.55 m × 3.3 m (avg.) |
| Drive Configuration | 4×4 (all-wheel drive) |
| Ground Clearance | ≥ 420 mm |
| Primary Use | Off-road hauling, construction logistics, heavy-duty towing |
| Export Volume (Typical Shipment) | 10–50 units per consignment |
3. Comparative Shipping Method Analysis
| Criteria | RO-RO | Bulk Cargo | Flat Rack |
|---|---|---|---|
| Loading Mechanism | Self-propelled or towed onto vessel | Craned or driven into open hold | Craned onto open flat platform |
| Cargo Protection | Moderate (exposed decks); high risk of salt spray | Low (fully exposed in hold) | High (custom lashings, optional tarping) |
| Handling Speed | High (rapid roll-on/roll-off) | Medium (crane-dependent) | Medium (requires rigging) |
| Vessel Availability | High (major trade routes) | Limited (specialized bulk carriers) | High (standard container lines) |
| Port Infrastructure | Requires RO-RO terminal | Requires bulk terminal with cranes | Standard container terminal sufficient |
| Damage Risk (Mechanical/Surface) | Medium (deck movement, chafing) | High (impact, moisture, shifting) | Low (securely fastened, elevated) |
| Cost per Unit (USD, avg.) | $1,200–$1,600 | $900–$1,300 | $1,800–$2,400 |
| Transit Time (Shanghai → Middle East) | 18–22 days | 20–26 days | 22–28 days |
| Insurance Premium (Relative) | 1.2× base | 1.5× base | 1.1× base |
| Best Suited For | Large fleets, time-sensitive deliveries | Cost-driven, non-sensitive routes | High-value units, fragile components |
4. Corrosion Mitigation: Wax Spraying Protection Protocol
Seawater exposure during maritime transit presents a significant corrosion risk to undercarriage, chassis, and drivetrain components of 4×4 Tractor Trucks. SEA LION International mandates the following anti-corrosion standard for all exports:
Wax-Based Corrosion Inhibitor Treatment (Specification: SLI-WXP-2026)
| Parameter | Requirement |
|---|---|
| Application Method | High-pressure spray (150–200 bar) |
| Coverage Zones | Frame rails, suspension joints, differential housings, brake lines, wheel hubs |
| Wax Type | Solvent-free, lanolin-based hydrophobic compound (meets ISO 9227 salt spray standard) |
| Film Thickness | 25–40 µm (measured via magnetic gauge) |
| Curing Time | 4–6 hours at 20°C ambient |
| Duration of Protection | Up to 12 months in marine environments |
| Post-Transit Removal | Biodegradable citrus-based solvent recommended |
Note: Wax treatment must be applied within 48 hours of final assembly and prior to inland transport to port. Documentation (treatment certificate) to accompany each unit.
5. Recommendation by Use Case
| Client Profile | Recommended Method | Rationale |
|---|---|---|
| Large Construction Firms (50+ units) | RO-RO | Fast turnaround, lower handling costs, proven scalability |
| Budget-Constrained Projects | Bulk Cargo | Lowest freight cost; acceptable if corrosion protection is rigorously applied |
| High-Reliability or Remote Sites | Flat Rack | Maximum control over securing, protection, and inspection; ideal for sensitive modifications |
6. Compliance & Documentation
All shipments must comply with:
– IMDG Code (for any residual fuels/lubricants)
– CTU Code (Cargo Transport Unit, for Flat Rack)
– BWM Convention (Ballast Water, indirect compliance via carrier)
– Customs Declaration (China Export): CO/CQ form, commercial invoice, packing list, wax treatment certificate
7. Conclusion
For the export of 4×4 Tractor Trucks from China, RO-RO offers the optimal balance of speed and cost for high-volume deployments. Flat Rack provides superior protection for mission-critical units, while Bulk Cargo remains a cost-effective option under strict corrosion control. Implementation of the SLI-WXP-2026 wax spraying protocol is non-negotiable to ensure equipment integrity upon delivery.
SEA LION International advises pre-shipment audits and method-specific risk assessments for all fleet consignments.
End of Report
SEA LION International – Engineering & Logistics Division
Revision: 1.0 | Date: 2026-04-05
Get a Quote for 4X4 Tractor Truck
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]