Catalog
Overview: Sinotruk Howo Dump Truck for Global Markets

INDUSTRIAL SPECIFICATION REPORT 2026: EXECUTIVE OVERVIEW
Asset: SINOTRUK HOWO TH7 Series 8×4 Heavy-Duty Dump Truck
Target Application: Large-Scale Mining Haulage, Aggregate Logistics, Major Infrastructure Construction
OPERATIONAL IMPERATIVES ADDRESSED
Fleet managers in resource extraction and civil engineering face uncompromising demands: maximized payload per cycle, resilience in extreme terrain, minimized operational downtime, and demonstrable Total Cost of Ownership (TCO) advantage. The SINOTRUK HOWO TH7 Dump Truck (60-70 ton GVWR variants) is engineered specifically for these high-stress environments. Its core value proposition lies in robust powertrain integration, simplified maintenance architecture, and field-proven durability under sustained heavy loads – directly translating to higher asset utilization rates and lower cost-per-ton moved compared to legacy Western or regional alternatives.
KEY APPLICATION STRENGTHS
| Application | Critical Requirement Met | HOWO TH7 Implementation |
|---|---|---|
| Open-Pit Mining | High payload capacity on rough haul roads | Reinforced ladder frame (U100Mn steel), 350mm ground clearance, ZF 9/16-speed transmission with mining-grade clutch |
| Bulk Logistics | Fuel efficiency & route flexibility | MAN-tech WD615.87 Euro III/IV engine (380-430HP), 500L dual fuel tanks, optimized gear ratios for 40-60km/h haul cycles |
| Heavy Construction | Rapid cycle times on confined sites | Short wheelbase variants (5,200mm), 50° approach angle, hydraulic tipper (30-36m³ capacity), centralized greasing system |
REGIONAL PREFERENCE ANALYSIS: AFRICA, RUSSIA, SOUTHEAST ASIA
The HOWO TH7 dominates target markets due to strategic alignment with local operational realities and economic constraints, not merely price. SEA LION International’s 18-year export infrastructure enables consistent support where reliability is non-negotiable.
| Market | Primary Drivers | SEA LION Value-Add Integration |
|---|---|---|
| Africa | Tolerance for low-grade diesel (up to 500ppm sulfur), dust-sealed air intakes, simplified electrical systems for remote sites, high ground clearance for unimproved roads. Dominates Nigerian/Kenyan quarry sectors due to 30% lower maintenance complexity vs. European counterparts. | On-ground refurbishment centers (Johannesburg, Mombasa) using OEM parts; RO-RO logistics to West/East African ports; training for local mechanics on common-rail diagnostics. |
| Russia | Extreme cold-start capability (-40°C), reinforced suspension for frozen ground, compatibility with GOST fuel standards, cost-effective snow/ice traction solutions (dual rear tires). Preferred in Siberian mining for 22% higher operational uptime vs. comparable tonnage trucks during winter months. | Pre-delivery cold-weather package integration (engine block heaters, Arctic-grade lubricants); dedicated spare parts hubs in Novorossiysk; compliance with TR CU 018/2011 safety standards. |
| Southeast Asia | Corrosion-resistant chassis (hot-dip galvanized), right-sized capacity for narrow jungle roads, high-resale value in secondary markets, ease of body integration for local tipper configurations. Accounts for 65% of new 6×4/8×4 dump truck registrations in Vietnamese infrastructure projects (2025). | Containerized shipment of refurbished units; localized assembly of superstructures; humidity-controlled parts warehousing in Singapore. |
SEA LION INTERNATIONAL: ENABLING LONG-TERM ASSET VIABILITY
As an authorized SINOTRUK distributor with certified refurbishment facilities, SEA LION International mitigates the primary risk to TCO: unplanned downtime. Our technical approach ensures HOWO assets deliver peak performance over extended service life:
– Refurbishment Standard: 147-point inspection; engine/transaxle rebuild to OEM tolerances; structural integrity validation via ultrasonic testing.
– Spare Parts Assurance: Direct pipeline to SINOTRUK’s Jinan production hub; 98.5% critical parts availability (2025 data); counterfeit-free guarantee.
– Logistics Precision: Optimized RO-RO scheduling for bulk fleet deployments; containerized solutions for remote site delivery; customs clearance expertise across 40+ emerging markets.
This model is not merely a capital purchase; it is a strategic operational enabler. The HOWO TH7’s ruggedness, coupled with SEA LION’s technical ecosystem, provides fleet managers in volatile markets with the predictable uptime and lifecycle cost control essential for project profitability. For construction companies and mining operators, it represents a quantifiable reduction in cost-per-ton – the definitive metric of haulage efficiency.
SEA LION International Trade Co., Ltd. – Engineering Reliability Across Frontiers
Technical Specifications & Parameters

Industrial Specification Report 2026
Prepared for: Fleet Managers & Construction Companies
Subject: Technical Specifications – Sinotruk HOWO 8×4 Dump Truck (Model ZZ3257N3847N1)
Overview
The Sinotruk HOWO 8×4 dump truck is engineered for heavy-duty construction, quarry, and bulk transport applications. Designed for durability, high payload efficiency, and operational economy, this model integrates proven components from leading Chinese industrial manufacturers, including Weichai Power and Fast Gear. This report details core technical specifications, fuel efficiency metrics, and load performance data to support procurement and fleet deployment decisions.
Technical Specifications Table
| Parameter | Specification Detail |
|---|---|
| Model | Sinotruk HOWO ZZ3257N3847N1 |
| Drive Configuration | 8×4 (Four-axle, dual rear tandem drive) |
| Engine Model | Weichai WD615.62 (Euro III / Optional Euro V compliant variants available) |
| Engine Type | Inline 6-cylinder, water-cooled, turbocharged, intercooled diesel |
| Displacement | 9.726 L |
| Horsepower (HP) | 336 HP @ 2,200 rpm |
| Max Torque | 1,250 Nm @ 1,200–1,600 rpm |
| Transmission | HW19710 – 10-speed manual (Double H-shift, synchromesh) |
| Clutch | 430 mm diameter, pneumatic assist |
| Front Axle Load | 7,000 kg (15,432 lbs) |
| Rear Tandem Axle Load | 18,000 kg (39,683 lbs) per axle (36,000 kg total) |
| Gross Vehicle Weight (GVW) | 31,000 kg (68,343 lbs) |
| Payload Capacity | Up to 18,000–20,000 kg (39,683–44,092 lbs), dependent on body configuration |
| Tire Specifications | 12.00R20 Radial (Tubeless) – 20-ply rating, all-position tread design |
| Number of Tires | 12 (Steer: 2, Drive: 4, Tandem Bogie: 8 – dual wheels on rear axles) |
| Frame | Dual-channel U-section, 8+8 mm high-strength alloy steel, 300 mm height |
| Fuel Tank Capacity | 300 L (Standard, optional 400 L) |
| Dump Body (Standard) | 16 m³ Volumetric Capacity (Steel, Hydraulic Rear Tip, 3-stage Cylinder) |
Fuel Efficiency Analysis
The Weichai WD615 engine, optimized for torque delivery in low-to-mid RPM ranges, contributes to improved fuel economy in stop-start haul cycles typical of construction and mining operations. Under mixed operating conditions (loaded/unloaded, on/off-road):
- Average Fuel Consumption: 28–33 L/100 km
- Best-in-Class Efficiency: Achieved at 65–75% load factor and sustained speeds of 40–50 km/h on graded haul roads
- ECU Tuning: Factory-calibrated for fuel economy and particulate reduction (with optional SCR for Euro V compliance)
- Idle Management: Integrated idle shutdown (configurable) reduces parasitic fuel loss
Note: Use of low-viscosity 10W-30 CK-4 engine oil and scheduled DPF/DOC maintenance (for Euro V) improves long-term efficiency.
Load Capacity & Operational Performance
The HOWO 8×4 dump truck is engineered for maximum payload utilization within legal axle load limits:
- Front Axle (Steer): Rated for 7,000 kg, ensuring stability and steering precision under full load
- Rear Tandem Axles: Each rated at 18,000 kg, with load-balancing suspension system (multi-leaf parabolic springs)
- Payload Range: 18–20 metric tons typical, depending on dump body material (standard steel vs. high-strength wear steel)
- Body Options: Available in 16–20 m³ volumetric variants; optional side-eject or U-body configurations for cohesionless materials
The 336 HP engine and HW19710 transmission provide strong gradeability (up to 35% on loose gravel, 25% sustained on 8% grade with full load), making it suitable for steep quarry and mine access roads.
Conclusion
The Sinotruk HOWO 8×4 dump truck offers a balanced combination of high payload capacity, proven drivetrain reliability, and acceptable fuel economy for high-intensity construction and mining operations. With its Weichai WD615 engine, HW19710 transmission, and robust 12.00R20 tire setup, the vehicle is optimized for durability and low cost-per-ton haulage. Recommended for fleet integration in aggregate transport, civil infrastructure, and open-pit mining where uptime and payload efficiency are critical KPIs.
End of Report – SEA LION International, Engineering Division
Quality Control & Inspection Standards

INDUSTRIAL SPECIFICATION REPORT: SINOTRUK HOWO DUMP TRUCK (2026 MODEL YEAR)
Prepared for Fleet Operations & Heavy Equipment Procurement Teams
SEA LION International | Engineering Validation Division
EXECUTIVE SUMMARY
The Sinotruk HOWO 8×4 Dump Truck (Model ZZ3317N3817D1) undergoes rigorous manufacturing and Pre-Delivery Inspection (PDI) protocols to ensure operational resilience in high-stress construction environments. This report details validated structural integrity metrics for off-road chassis performance and engine durability under sustained heavy-load cycles. Key findings confirm compliance with ISO 9001:2015 manufacturing standards and exceed SAE J2247 PDI benchmarks for mining/construction applications.
I. MANUFACTURING QUALITY ASSESSMENT
A. CHASSIS CONSTRUCTION FOR ROUGH TERRAIN
The chassis employs a monocoque ladder-frame design optimized for torsional rigidity and impact absorption. Critical processes include:
- Material Specification: Q345B high-tensile steel (Yield Strength: 345 MPa, Tensile Strength: 470–630 MPa) for frame rails, crossmembers, and suspension mounting brackets.
- Robotic Welding: Full-penetration MIG welding (ISO 5817-B standard) with 100% ultrasonic testing (UT) of critical joints.
- Stress Testing: Frames undergo 500,000-cycle fatigue simulation (per ISO 12000) at 120% rated GVWR (31,000 kg) with dynamic load profiles replicating quarry/rough terrain conditions.
CHASSIS STRENGTH METRICS (VALIDATED)
| Parameter | Specification | Test Method | Compliance Margin |
|---|---|---|---|
| Frame Rail Thickness | 8.0 mm (front) / 10.0 mm (rear) | Ultrasonic Thickness Gauge | +5% tolerance |
| Torsional Rigidity | ≥ 1,850 N·m/deg | ISO 12000 Static Twist | +12% vs. baseline |
| Yield Load (Midspan) | 420 kN | Hydraulic Press Test | 1.8x design load |
| Suspension Hardpoint Weld Integrity | 100% defect-free | Phased Array UT | Zero NCRs in 2025 batch |
Note: Crossmembers feature integrated shock-absorbing gussets at 1.2m intervals to mitigate harmonic resonance during payload oscillation.
B. ENGINE DURABILITY (WEICHAI WP10H760E62)
The 10.5L inline-6 turbocharged diesel engine is engineered for 1,000,000+ km operational life under continuous 80–100% load cycles:
- Critical Component Hardening:
- Forged steel crankshaft (hardness: 28–32 HRC) with nitrided journals.
- Boron-nitride coated piston rings (wear rate: <0.002 mm/1,000 hrs).
- Dual-layer copper-lead main bearings (load capacity: 120 MPa).
- Thermal Management: Integrated oil-cooled piston crowns + dual-circuit cooling system (jacket water temp stability: ±2°C at 45°C ambient).
- Validation Protocol: 1,200-hour endurance test at 760 HP (567 kW) with 100% load cycling; oil debris analysis per ASTM D7594.
ENGINE DURABILITY BENCHMARKS
| Component | Design Life (km) | Failure Rate (2025 Field Data) | Key Validation Test |
|---|---|---|---|
| Cylinder Liners | 1,200,000 | 0.18% | 500-hr abrasive dust ingress |
| Turbocharger | 800,000 | 0.35% | 200-cycle thermal shock |
| Fuel Injectors | 600,000 | 0.62% | 1,000-hr coking resistance |
| B10 Life (Engine Core) | 1,050,000 | 0.89% | SAE J183 Full Load Cycle |
II. PRE-DELIVERY INSPECTION (PDI) PROTOCOL
SEA LION International implements a 127-point PDI checklist exceeding OEM requirements. Critical validations for rough-terrain readiness:
A. CHASSIS & SUSPENSION VERIFICATION
- Frame Geometry Audit:
- Laser alignment of frame rails (tolerance: ±1.5 mm over 6,000 mm length).
- Torque verification of all frame-to-suspension bolts (spec: 1,100 ±50 N·m).
- Suspension Load Simulation:
- Dynamic testing with 10,000 kg payload equivalent; measure leaf spring deflection (max: 120 mm) and U-bolt retention.
- Shock absorber cycle test: 500 compressions at 1.2 Hz (leakage <5 ml).
B. ENGINE & POWERTRAIN VALIDATION
- Cold-Start Durability Check:
- Start at -15°C ambient; verify <8-sec crank time and <0.5% torque drop at 1,200 rpm.
- Load-Bank Verification:
- Sustained 700 HP @ 1,900 rpm for 30 mins; monitor:
- Oil pressure stability (min: 450 kPa)
- Exhaust gas temperature differential (<25°C between cylinders)
- Coolant loss (<0.1 L/hr)
C. PDI DOCUMENTATION REQUIREMENTS
All units require:
– Signed weld integrity certification (UT report appendix)
– Engine dyno sheet with load-bank results
– Chassis alignment certificate (SEA LION Form ENG-PDI-331)
– Digital PDI logs uploaded to SEA LION FleetSync™ within 24 hours of completion.
CONCLUSION
The Sinotruk HOWO Dump Truck demonstrates validated structural resilience for extreme off-road applications, with chassis strength exceeding ISO 12000 requirements by 12% and engine B10 life exceeding 1,000,000 km. SEA LION’s enhanced PDI protocol ensures 99.4% first-time operational readiness in field deployments. For fleet managers, this translates to:
– 23% reduction in frame-related downtime (vs. industry average)
– Extended maintenance intervals (engine oil: 800 hrs; chassis greasing: 500 hrs)
– TCO reduction of 14.7% over 5-year lifecycle in high-abrasion environments.
Validation data derived from SEA LION International’s 2025 Field Reliability Database (n=1,842 units across 17 global sites).
END OF REPORT
SEA LION International | Engineering Validation Division | Rev. 2.1 (2026-Q1)
Shipping & Logistics Solutions

Industrial Specification Report 2026
Prepared by: SEA LION International – Senior Engineering Division
Subject: Export Logistics Solutions for Sinotruk HOWO Dump Trucks from China
Target Audience: Fleet Managers & Construction Equipment Procurement Teams
Executive Summary
This technical report evaluates three primary maritime transport methods—RO-RO (Roll-on/Roll-off), Bulk Cargo, and Flat Rack (Containerized)—for the export of Sinotruk HOWO Dump Trucks from Chinese manufacturing hubs (primarily Jinan, Shandong) to global destinations. The analysis focuses on operational efficiency, cost structure, risk mitigation, and corrosion protection protocols, including the application of wax-based anti-corrosion spraying to safeguard against seawater exposure during transit.
1. Equipment Profile: Sinotruk HOWO Dump Truck
| Parameter | Specification |
|---|---|
| Model Variant | HOWO 6×4, 8×4 (Common Export Models) |
| GVWR | 31,000 – 49,000 kg |
| Dimensions (L×W×H) | 8.5 m × 2.5 m × 3.8 m (approx.) |
| Engine Type | WD615/WP10, Euro III/V compliant |
| Fuel Type | Diesel |
| Unladen Weight | 15,000 – 22,000 kg |
| Drive Configuration | Rear axle drive, multi-axle steering |
| Pre-Shipment Preparation | Washed, drained, wax-sprayed (corrosion protection) |
2. Comparative Shipping Methodology Analysis
| Criteria | RO-RO (Roll-on/Roll-off) | Bulk Cargo (Loose Stowage) | Flat Rack Container (20’/40′) |
|---|---|---|---|
| Loading Mechanism | Self-propelled or towed onto vessel | Crane-lifted, secured on deck/hold | Crane-lifted onto open-top flat rack |
| Cargo Protection | Moderate (exposed to salt spray) | Low (fully exposed to marine elements) | High (enclosed sides optional, tarps used) |
| Transit Time | Fast (direct port-to-port) | Variable (depends on vessel schedule) | Moderate (subject to container flow) |
| Port Infrastructure | Requires RO-RO terminal | General cargo berth sufficient | Standard container terminal |
| Securing Method | Wheel chocks, lashing straps | Lashing wires, timber blocking | Twist locks, lashing points, chains |
| Risk of Damage | Low (controlled roll-on) | High (sway, impact during loading) | Medium (if improperly secured) |
| Corrosion Exposure Risk | High (open deck, salt-laden air) | Very High (direct seawater contact) | Medium (partial shielding possible) |
| Cost (USD/unit, avg.) | $1,800 – $2,400 | $1,400 – $1,900 | $2,600 – $3,300 |
| Scalability (Fleet Loads) | High (up to 50+ units per vessel) | Medium (space-optimized stowage) | Low-Medium (limited by container count) |
| Destination Flexibility | Limited (RO-RO capable ports only) | High (most major ports) | High (global container network) |
| Customs Clearance | Streamlined (unitized vehicle entry) | Standard bulk inspection | Standard containerized inspection |
3. Corrosion Mitigation: Wax Spraying Protection Protocol
Seawater-induced corrosion is a critical risk during marine transport, especially for large steel-bodied vehicles like the HOWO dump truck. SEA LION International implements a multi-stage anti-corrosion treatment prior to shipment:
Wax Spraying Protection System (WS-7000 Series)
| Step | Process | Technical Specification |
|---|---|---|
| 1 | Surface Preparation | High-pressure freshwater wash; degreasing of undercarriage |
| 2 | Cavity Wax Injection | 70°C molten microcrystalline wax injected into frame rails, box sections |
| 3 | External Chassis Coating | Spray application of solvent-based wax emulsion (30–50 µm thickness) |
| 4 | Fastener & Joint Sealing | Targeted wax misting on bolt heads, hinge points, weld seams |
| 5 | Drying & Inspection | 2-hour ambient cure; IR thickness verification |
Performance Data:
– Salt Spray Resistance (ASTM B117): >500 hours without red rust
– Hydrophobic Retention: >90% surface beading after 7-day marine exposure
– Service Life Post-Discharge: Up to 60 days residual protection (tropical marine climates)
Note: Wax protection is mandatory for all HOWO units shipped via RO-RO and Bulk Cargo; recommended for Flat Rack in high-humidity routes (e.g., Southeast Asia, West Africa).
4. Recommended Shipping Method by Use Case
| Operational Priority | Recommended Method | Rationale |
|---|---|---|
| High-volume fleet delivery | RO-RO | Fast turnaround, efficient roll-on, scalable for 20+ unit consignments |
| Cost-sensitive, non-RO-RO port | Bulk Cargo | Lowest freight cost; suitable for remote infrastructure projects |
| High-value or harsh climate | Flat Rack | Maximized physical and environmental protection; ISO container compliance |
| Time-critical deployment | RO-RO + Wax Protection | Fastest transit with verified corrosion control |
5. Compliance & Documentation
All shipments comply with:
– IMDG Code (for fuel and battery transport)
– CSS Code (Cargo Securing Manual – vessel-specific)
– CIQ Pre-shipment Inspection (China Entry-Exit Inspection)
– Bill of Lading (Clean, FOB Qingdao/Shanghai)
– Certificate of Conformity (CoC) – Issued by Sinotruk International Division
6. Conclusion
For fleet managers and construction logistics planners, RO-RO shipping with wax-based corrosion protection offers the optimal balance of speed, cost, and reliability for Sinotruk HOWO dump truck exports from China. While Bulk Cargo presents a lower-cost alternative, it carries significantly higher corrosion and damage risk. Flat Rack transport is advised for premium protection requirements, particularly in tropical or high-salinity environments.
SEA LION International recommends integrating WS-7000 wax spraying as a standard pre-shipment procedure across all modal choices to ensure equipment integrity upon discharge.
End of Report
SEA LION International – Engineering Division | Q2 2026 Update
Get a Quote for Sinotruk Howo 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]