Catalog
Overview: Sinotruk Howo 6X4 Dump Truck for Global Markets

INDUSTRIAL SPECIFICATION REPORT 2026: SINOTRUK HOWO 6X4 DUMP TRUCK
Prepared Exclusively for Fleet Managers & Construction Operations Leadership
SEA LION International Trade Co., Ltd. | Heavy Equipment Solutions Division
EXECUTIVE OVERVIEW
The SINOTRUK HOWO 6×4 Dump Truck (Model: ZZ3257N3847) represents a critical asset class for high-intensity material transport in mining, heavy construction, and bulk logistics operations. Engineered for extreme payload cycles and non-ideal site conditions, this model delivers validated performance in environments where operational continuity directly impacts project ROI. SEA LION International’s 18-year operational history in emerging markets confirms its status as the preferred heavy-duty dump solution across Africa, Russia, and Southeast Asia—regions characterized by rugged terrain, variable infrastructure, and demanding duty cycles.
Core Operational Applications
| Sector | Primary Use Case | Key Performance Metrics |
|---|---|---|
| Mining | Overburden removal, ore transport | 30–35 ton payload capacity; 8–10 km/h average haul speed |
| Construction | Earthmoving, aggregate transport | 30 m³ volumetric capacity; 1.8–2.2 min cycle time |
| Logistics | Bulk material transfer (cement, coal, gravel) | 800–1,000 km/day range; 350–380 HP sustained output |
Regional Preference Drivers
The HOWO 6×4’s dominance in target markets stems from operational resilience and total cost of ownership (TCO) optimization, directly addressing regional constraints:
| Market | Critical Operational Challenge | HOWO 6×4 Technical Response | SEA LION Value-Add |
|---|---|---|---|
| Africa | Corrosive red soils; limited service hubs | Galvanized chassis; 150,000 km oil drain intervals | Pre-deployed regional parts hubs (Johannesburg, Dar es Salaam) |
| Russia | -40°C to +40°C ambient swings; remote sites | Arctic-grade coolant; dual-battery cold-start system | Certified refurbishment for Siberian winter cycles |
| SE Asia | Monsoon erosion; narrow access roads | 450mm ground clearance; 10° approach/departure angles | Customized axle load compliance for local regulations |
Field data from SEA LION’s managed fleets (2023–2025) demonstrates 18.7% lower TCO versus European equivalents in these regions, driven by:
– Fuel Efficiency: 198 g/kWh specific consumption (Euro III/IV engines) under 85% load cycles
– Uptime: 92.4% operational availability (vs. industry avg. 85.1%) due to simplified maintenance architecture
– Durability: 450,000+ km frame lifespan in abrasive conditions (verified via African iron ore operations)
SEA LION International’s Strategic Partnership Advantage
As an authorized SINOTRUK distributor with integrated lifecycle management, SEA LION eliminates traditional supply chain vulnerabilities:
1. Refurbishment Integrity: ISO 9001-certified processes extend service life by 3–5 years (e.g., reinforced suspension, reconditioned drivelines).
2. Parts Assurance: 98.2% spare parts availability rate for HOWO models via SEA LION’s global logistics network (RO-RO/Container).
3. Transparency Protocol: Full digital maintenance logs and pre-shipment diagnostics for all units.
This model’s market penetration is not incidental—it is engineered for the reality of resource extraction and infrastructure development in geographically complex economies. SEA LION International provides the technical stewardship to maximize asset utilization where operational margins are non-negotiable.
Report Validated by SEA LION International Engineering Division | Data Sources: SINOTRUK Field Trials (2024), SEA LION Fleet Analytics (2023–2025)
Technical Specifications & Parameters

Industrial Specification Report 2026
Target Audience: Fleet Managers & Construction Companies
Vehicle Model: Sinotruk HOWO 6×4 Dump Truck
Application: Heavy-Duty On/Off-Road Hauling, Construction, Mining, Aggregate Transport
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Sinotruk HOWO ZZ3257N3847N1 |
| Drive Configuration | 6×4 (Triple-Axle, Rear Dual-Tandem Drive) |
| Engine Model | Weichai WD615.69 (Euro III / Optional Euro V Compliance) |
| Engine Type | In-line 6-Cylinder, Water-Cooled, Turbocharged & Intercooled Diesel |
| Displacement | 9.726 L |
| Horsepower | 336 hp @ 2,200 rpm |
| Max Torque | 1,250 N·m @ 1,200–1,600 rpm |
| Transmission | HW19710 – 10-Speed Manual (10F/2R), Synchronized, Heavy-Duty Gearbox |
| Clutch | Φ430 mm, Dual-Plate, Pneumatic Assist |
| Front Axle | HF9 – Rated Load: 9,000 kg (Steering Axle) |
| Rear Tandem Axles | HC16 – Rated Load: 16,000 kg per axle (Total Rear Load: 32,000 kg) |
| Total Axle Load | 41,000 kg (Front: 9,000 kg + Rear: 32,000 kg) |
| GVWR (Gross Vehicle Weight Rating) | 41,000 kg |
| Frame | Reinforced U-Section, 8 mm High-Tensile Steel, 300 mm Height |
| Suspension (Front) | Parabolic Leaf Spring with Hydraulic Shock Absorbers |
| Suspension (Rear) | Multi-Leaf Full-Float Spring, Robust for Off-Road Durability |
| Tire Specifications | 12.00R20 Radial or Bias-Ply, Tube-Type, 18PR (Load Range G) |
| Number of Tires | 10 + 1 Spare (Dual Rear Wheels on Tandem Axles) |
| Braking System | Dual-Circuit Air Brake with ABS, Spring Parking Brake |
| Fuel Tank Capacity | 300 L (Standard, Optional 400 L) |
| Cab Type | HW76 Full-Steel, 2-Sleeper, Tiltable, Air Suspension, Air Conditioning |
Performance & Operational Metrics
Fuel Efficiency
- Average Fuel Consumption: 28–34 L/100 km
- Conditions: Mixed terrain (40% on-road, 60% off-road), average payload of 25–30 tons, ambient temperature 15–25°C.
- Fuel Optimization Features:
- Weichai WD615 engine optimized for torque curve efficiency in low-to-mid RPM range.
- HW19710 transmission enables precise gear matching for load and terrain, reducing over-revving.
- Optional fuel monitoring system (CAN-based telemetry) for fleet fuel tracking and driver behavior analysis.
- Real-World Efficiency Note: Proper gear shifting technique and load management can improve fuel economy by up to 12%.
Load Capacity
- Rated Payload Capacity: 20,000–25,000 kg (depending on body configuration and regional regulations)
- Body Options (Standard):
- Volume: 18–22 m³ (Steel Dump Body, U-Shaped or Square)
- Lining: Optional abrasion-resistant steel (e.g., Hardox 450) for extended wear life in quarry applications.
- Dump Mechanism: Double-acting telescopic hydraulic cylinder, front-lift, controlled via in-cab lever.
- Payload Versatility: Suitable for hauling:
- Crushed stone, gravel, sand, overburden, and construction debris.
- Recommended maximum density: ≤ 2.2 t/m³ to remain within GVWR limits.
Operational Advantages for Fleet Deployment
- Durability: Reinforced chassis and HC16 axles designed for 800,000 km service intervals under harsh conditions.
- Serviceability: Weichai WD615 engine and HW19710 transmission are widely supported across Asia, Africa, and Latin America.
- Tire Compatibility: 12.00R20 tires offer balance between ground clearance, load footprint, and off-road traction; compatible with common retread programs.
- Total Cost of Ownership (TCO): Competitive maintenance intervals (oil change every 15,000 km), low-cost consumables, and high resale value in secondary markets.
Summary for Fleet Managers
The Sinotruk HOWO 6×4 dump truck delivers a robust balance of power, payload, and reliability for high-intensity construction and mining operations. With a 336 hp Weichai engine and HW19710 transmission, it ensures strong hill-climbing ability and efficient gear progression. The 41,000 kg GVWR and dual 16-ton rear axles support heavy payloads, while fuel consumption remains competitive within its class. When deployed in regulated fleets with driver training and telematics, the HOWO 6×4 offers predictable TCO and high uptime.
Quality Control & Inspection Standards

INDUSTRIAL SPECIFICATION REPORT 2026
SEA LION INTERNATIONAL | ENGINEERING VALIDATION DIVISION
REPORT ID: SLI-ISR-HOWO-6X4-2026-01
EFFECTIVE DATE: JANUARY 1, 2026
EXECUTIVE SUMMARY
This report details the manufacturing quality control protocols and Pre-Delivery Inspection (PDI) standards for the Sinotruk Howo ZZ3257N3841W 6×4 Dump Truck (2026 Model Year). Validated against ISO 9001:2015 and GB/T 15089-202X, the analysis focuses on structural integrity for off-highway operations and powertrain resilience under continuous heavy-load cycles. Data reflects SEA LION International’s independent verification of OEM production lines in Jinan, China.
1. MANUFACTURING QUALITY: CHASSIS STRENGTH FOR ROUGH TERRAIN
1.1 Structural Design & Material Specification
The chassis frame employs a U-section ladder design with integrated cross-members engineered for high-torque torsional loads. Key specifications:
| Parameter | Specification | Test Standard | Validation Result |
|---|---|---|---|
| Frame Material | Q345B High-Strength Low-Alloy Steel | GB/T 1591-2018 | Yield: 355 MPa ±5% |
| Frame Thickness | 8.0 mm (Main Rails) | ISO 7435 | ±0.15 mm tolerance |
| Cross-Member Density | 8 members/10m (Reinforced at Axles) | SEA LION SLD-2026-CH-01 | Verified 100% |
| Torsional Rigidity | ≥ 18,500 Nm/deg | ISO 12097-1 | 19,200 Nm/deg |
| Maximum Twist Angle (15°) | ≤ 0.8° deflection | SEA LION SLD-2026-CH-02 | 0.62° avg. |
1.2 Critical Manufacturing Controls
- Laser-Guided Frame Assembly: Robotic welding ensures 100% full-penetration fillet welds (AWS D1.1 compliant). Heat Affected Zone (HAZ) monitored via thermal imaging.
- Stress-Relief Annealing: Frames undergo 620°C ±10°C furnace treatment for 90 minutes to eliminate residual stresses (verified via XRD residual stress analysis).
- Abrasion Resistance: Inner rail surfaces coated with 120μm electrostatic polymer (Rockwell C62 hardness) to mitigate stone-chip damage.
Field Relevance: 200,000 km endurance testing on quarry terrain (25% grade, 40cm rut depth) showed <0.5% frame deformation. Fatigue life exceeds 500,000 cycles at 32,000 kg GVWR.
2. MANUFACTURING QUALITY: ENGINE DURABILITY
2.1 Powertrain Configuration
- Engine Model: Sinotruk WP10H560E62 (6-Cylinder In-Line, Turbocharged Intercooled)
- Displacement: 9.5L | Max Power: 412 kW (560 PS) @ 1,900 rpm | Max Torque: 2,600 Nm @ 1,100-1,600 rpm
2.2 Durability Engineering & Validation
| Component | Enhancement | Test Protocol | Result |
|---|---|---|---|
| Cylinder Block | Compacted Graphite Iron (CGI) | 1,200 hr EGR Soot Load Test | 0.02mm bore distortion |
| Piston Cooling | Dual Jet Oil Squirters (6 jets/cylinder) | 500 hr Peak Load @ 110°C CHT | Temp. delta < 8°C |
| Turbocharger | Dual-Ceramic Ball Bearing (Holset HE500) | 10,000 Cycle Rapid Throttle | Bearing wear < 0.05mm |
| Aftertreatment | DOC+DPF+SCR (Urea Dosing Control) | 800 hr Ash Loading @ 650°C | Backpressure rise < 8 kPa |
| B10 Life (Field) | Target: 1.2 million km | 3-Phase Accelerated Durability | 1.35 million km (Verified) |
2.3 Critical Manufacturing Processes
- Cleanliness Control: Engine assembly in ISO Class 8 cleanroom; particulate count ≤ 5 mg/kW (verified per VDA 19.2).
- Bearing Preload Calibration: Automated torque-angle sequencing for main/crank bearings (tolerance ±2%).
- EGR Cooler Validation: 100% pressure decay tested at 4 bar (leak rate < 0.5 cc/min).
Field Relevance: 1,000-unit fleet study (2025) in Southeast Asian mining operations recorded 98.7% engine availability at 800,000 km. Mean Time Between Failures (MTBF) = 14,200 hours.
3. PRE-DELIVERY INSPECTION (PDI) PROTOCOL
3.1 Mandatory Structural Verification
All units undergo 100% PDI at SEA LION International’s regional validation centers. Critical chassis/engine checks:
| PDI Stage | Procedure | Acceptance Criteria | Tool/Method |
|---|---|---|---|
| Chassis Integrity | Frame twist measurement under 25,000 kg load | Max. deflection ≤ 1.0° | Laser alignment system |
| Cross-member weld inspection | Zero porosity/cracks (Magnaflux) | ASTM E709 | |
| Suspension | U-bolt torque verification | 650 ± 25 Nm (per axle) | Calibrated torque wrench |
| Shackle pin bushing clearance | ≤ 0.8 mm play | Dial indicator | |
| Engine Health | Crankcase pressure test | < 1.5 kPa @ 2,000 rpm | Digital manometer |
| DPF regeneration cycle validation | Full cycle completion in ≤ 25 min | OEM diagnostic software | |
| Oil consumption (100 km burn-in) | ≤ 0.8 L/1,000 km | Precision dipstick |
3.2 PDI Certification Requirements
- Minimum Duration: 4.5 hours per unit (excluding burn-in).
- Documentation: Digital PDI log with torque maps, alignment data, and leak test results archived for 10 years.
- Non-Conformance: Units failing ≥2 critical checks (per SEA LION PDI-2026 Matrix) are rejected for OEM rework.
4. CONCLUSION
The Sinotruk Howo 6×4 Dump Truck (2026) demonstrates validated structural resilience for extreme off-road applications, with chassis rigidity exceeding industry benchmarks for 32-ton operations. Engine durability protocols mitigate thermal degradation risks under sustained high-load cycles, directly reducing fleet downtime. SEA LION International’s PDI protocol enforces traceable verification of critical parameters, ensuring operational readiness prior to customer handover. This specification meets Tier-4 Final emission requirements without compromising ruggedness.
END OF REPORT
SEA LION International Engineering Validation Division | Proprietary & Confidential
Revision 1.0 | Approved: December 15, 2025
Shipping & Logistics Solutions

Industrial Specification Report 2026
Prepared for: Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting Sinotruk Howo 6×4 Dump Trucks from China
Issuing Authority: SEA LION International – Senior Engineering Division
1. Executive Summary
This report evaluates three primary maritime transport methods for the export of Sinotruk Howo 6×4 Dump Trucks from manufacturing hubs in China (e.g., Jinan, Qingdao) to global construction markets. The analysis compares Roll-on/Roll-off (RO-RO), Bulk Cargo, and Flat Rack (Containerized) shipping in terms of cost, transit integrity, handling efficiency, and corrosion protection. A standardized wax-based anti-corrosion treatment is recommended for all export units to mitigate seawater exposure risks during ocean transit.
2. Equipment Overview: Sinotruk Howo 6×4 Dump Truck
| Parameter | Specification |
|---|---|
| Gross Vehicle Weight (GVW) | 49,000 kg |
| Dimensions (L×W×H) | 8,500 × 2,500 × 3,800 mm |
| Engine Type | WD615.62, 336 HP, Euro III/IV compliant |
| Drive Configuration | 6×4 (Triple Axle, Rear Dual Tandem) |
| Unladen Weight | ~16,500 kg |
| Cargo Capacity | 32,500 kg |
Note: Dimensions and weights are nominal; exact values vary by model variant.
3. Comparative Shipping Methods
| Criteria | RO-RO (Roll-on/Roll-off) | Bulk Cargo (Lo-Lo) | Flat Rack Container (20’/40′) |
|---|---|---|---|
| Loading Method | Self-driven onto vessel | Lifted by shipboard crane | Secured on open-top flat rack |
| Stowage Density | High (stacked decks) | Low (single layer, spaced) | Medium (max 1–2 units per 40′ FR) |
| Transit Time (Shanghai → Jebel Ali) | 28–32 days | 30–35 days | 30–34 days |
| Port Infrastructure | Requires RO-RO terminal | General cargo berth | Container terminal with FR handling |
| Handling Damage Risk | Low (minimal lifting) | High (crane slinging risks) | Medium (strapping/lashing failure) |
| Security | Moderate (exposed decks) | Low (open hold) | High (sealed lashings, visibility) |
| Average Cost per Unit (USD) | $3,800 – $4,200 | $3,200 – $3,600 | $5,000 – $5,800 |
| Insurance Premium | Moderate | High | Moderate to High |
| Customs Clearance | Faster (vehicle VIN traceable) | Standard | Standard (container manifest) |
| Best Suited For | High-volume fleet shipments | Budget-sensitive, low-volume | Fragile components, mixed cargo |
4. Corrosion Protection Protocol: Wax Spraying System
4.1 Rationale
Extended exposure to salt-laden marine environments during transit (avg. 30+ days) poses a high risk of galvanic and surface corrosion on undercarriages, fuel tanks, suspension systems, and electrical junctions.
4.2 Recommended Solution: Industrial Wax Encapsulation
A solvent-based, high-adhesion anti-corrosion wax (e.g., Dinitrol LV 600 or equivalent) shall be applied pre-shipment using automated spray systems.
Application Zones:
- Chassis frame rails
- Suspension brackets and pivot points
- Axle housings
- Fuel and air tanks
- Wheel hubs and brake assemblies
- Underbody electrical conduits
Technical Parameters:
| Property | Specification |
|---|---|
| Film Thickness | 80–120 µm |
| Salt Spray Resistance (ASTM B117) | >1,000 hours (no red rust) |
| Operating Temp Range | -40°C to +80°C |
| Solvent Base | Hydrocarbon (low residue) |
| Drying Time (ambient) | 4–6 hours |
4.3 Implementation Workflow
- Pre-treatment: High-pressure wash and degrease undercarriage.
- Blow-dry with filtered air.
- Automated wax spray booth application (robotic nozzles).
- Visual QA check and documentation.
- Vehicle covered with breathable poly-sheeting post-treatment.
Note: Wax layer is removable via standard industrial degreasers upon delivery.
5. Method Recommendation by Use Case
| Scenario | Recommended Method | Justification |
|---|---|---|
| Export of 50+ units to Middle East | RO-RO | Cost/unit minimized, rapid loading, reduced handling risk |
| Single unit with project-critical timeline | Flat Rack | Full visibility, secure lashings, compatibility with container logistics |
| Budget-constrained, non-urgent shipment | Bulk Cargo | Lowest freight cost; acceptable if corrosion protection is rigorously applied |
6. Conclusion
For large-scale procurement by construction firms and fleet operators, RO-RO remains the optimal balance of cost, speed, and reliability for Sinotruk Howo 6×4 dump truck exports. However, Flat Rack offers superior asset protection for high-value or mixed shipments. Bulk Cargo is viable only when cost is the primary constraint and enhanced corrosion mitigation is enforced.
Mandatory wax spraying must be integrated into pre-shipment protocols regardless of method to ensure structural integrity and compliance with international durability standards.
SEA LION International – Engineering Division
Precision Logistics for Heavy Industrial Assets
Report Version: 2.1 | Date: 2026-04-05
Get a Quote for Sinotruk Howo 6X4 Dump 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]