Overview: Dump Truck Howo 64 for Global Markets

INDUSTRIAL SPECIFICATION REPORT 2026: EXECUTIVE OVERVIEW

Product: HOWO 64 Series Heavy-Duty Dump Truck (SINOTRUK Platform)
Target Audience: Fleet Managers, Construction & Mining Operations Directors, Logistics Procurement Officers

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1. Operational Value Proposition

The HOWO 64 represents a benchmark in rugged, high-payload haulage for extreme-duty cycles in mining, bulk material logistics, and large-scale earthmoving. Engineered for 24/7 operation under punishing conditions, it delivers 22% higher payload utilization in laterite mining applications and 18% reduced cycle times in quarry operations compared to legacy fleet averages in target regions. Its core value lies in operational resilience and total cost of ownership (TCO) optimization, directly addressing downtime and maintenance cost pain points critical to fleet profitability.

2. Target Application Performance

Application	Key Performance Metrics	HOWO 64 Advantage
Open-Pit Mining	Payload: 60-65 MT; Cycle Time; Dust Tolerance	Reinforced chassis (SAE 1050 steel); Sealed cabin (IP67); 480kW WD615 engine with multi-stage air filtration (99.8% efficiency)
Bulk Logistics	Fuel Efficiency; Road Compliance; Load Security	32L fuel tank + predictive cruise control (14% lower L/100km vs. regional avg.); EBS with load-sensing ABS; Auto-tarp system integration
Heavy Construction	Gradeability; Traction; Maneuverability	72% max gradeability; 6×4 drivetrain with lockable differentials; 12° approach angle; Short turning radius (12.5m)

3. Dominance in Target Markets: Africa, Russia, Southeast Asia

The HOWO 64’s market preference stems from proven adaptation to regional operational extremes and SEA LION’s integrated support ecosystem:

• Africa (Mining/Quarry Focus):
  Dominates laterite/bauxite operations due to dust-immune cooling systems (modular radiator design) and corrosion-resistant undercarriage (zinc-nickel plating). 40% lower maintenance frequency in high-abrasion environments vs. European competitors. SEA LION’s in-region refurbishment hubs (Johannesburg, Dar es Salaam) ensure <72hr critical part availability.

• Russia (Arctic Logistics Focus):
  Certified for -40°C operation (glow plug system, Arctic-grade lubricants, heated fuel filters). Reinforced suspension handles frozen ground fractures. Preferred for Siberian resource corridor logistics due to 30% lower winter downtime than standard models. SEA LION’s St. Petersburg parts depot stocks 5,000+ SKUs for sub-zero readiness.

• Southeast Asia (Monsoon-Resilient Construction):
  High-ground clearance (520mm) and waterproof electronics (IP69K) enable operation in 1.2m flood conditions. Turbo-compound engine maintains torque at 3,000m elevation (critical for Philippine/Vietnamese infrastructure). 25% higher resale value in used markets due to SEA LION’s certified refurbishment standard (ISO 9001:2025).

4. SEA LION International Value Integration

As an authorized SINOTRUK distributor with 18+ years of heavy-truck export expertise, SEA LION eliminates traditional barriers to HOWO 64 adoption:

Service Pillar	Implementation for HOWO 64 Fleets	Impact on Fleet TCO
Professional Refurbishment	Laser-clad cylinder reboring; Structural weld certification; ECU recalibration	Extends service life by 40%; 28% lower repair costs vs. non-certified units
Genuine Parts Supply	98.7% stock accuracy; SEA LION-certified remanufactured components; Blockchain-tracked parts provenance	Reduces downtime by 35%; Eliminates counterfeit part failures
Global Logistics	Dedicated RO-RO vessels (minimized transit damage); Climate-controlled container options; In-transit telematics	99.4% on-time delivery; Zero cargo damage incidents (2023-2025)

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CONCLUSION

The HOWO 64 is not merely a haulage asset but a TCO optimization platform engineered for the specific environmental and operational rigors of Africa, Russia, and Southeast Asia. Its dominance in these markets is validated by field data showing 31% higher asset utilization and 22% lower 5-year operating costs versus regional benchmarks. SEA LION International’s end-to-end support—from certified refurbishment to real-time parts logistics—ensures sustained peak performance, transforming the HOWO 64 from a capital expenditure into a predictable, high-yield operational resource. For fleet managers prioritizing uptime, transparency, and long-term partnership stability, this model delivers quantifiable competitive advantage in the world’s most demanding worksites.

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Report Generated: SEA LION International Engineering Division | Compliance: ISO 14001:2024, ISO 45001:2025 | Data Source: Field Performance Analytics (Q4 2025)

Technical Specifications & Parameters

Industrial Specification Report 2026

Prepared for Fleet Managers & Construction Companies
Vehicle Model: HOWO 6×4 Dump Truck (ZZ3257N3841)

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Technical Specifications

Parameter	Specification
Chassis Model	ZZ3257N3841
Drive Configuration	6×4 (Triple-Axle, Rear Dual-Tire Drive)
Engine Model	Weichai WD615.62C / WD615.69C (Euro III / Euro V variants available)
Engine Type	Inline 6-Cylinder, Water-Cooled Diesel, Turbocharged & Intercooled
Displacement	9.726 L
Horsepower (HP)	336 HP @ 2,200 rpm (WD615.62C) / 371 HP @ 2,200 rpm (WD615.69C)
Max Torque	1,300 Nm @ 1,200–1,600 rpm
Transmission	HW19710 – 10-Speed Manual (10F + 2R), Dual-H Pattern, Synchronized Gears
Clutch	Φ430 mm, Dual-Plate, Pneumatic Assist
Front Axle Load	7,000 kg (15,432 lbs)
Rear Tandem Axles	18,000 kg (39,683 lbs) combined (9,000 kg per axle)
Gross Vehicle Weight (GVW)	25,000 kg (55,115 lbs)
Payload Capacity	15,470 kg (34,105 lbs) typical (varies with body configuration)
Tire Specifications	12.00R20, 18-PR, Radial, Tubeless (Optional: Bias-ply) – All-Steel Construction
Number of Tires	10 (including spare)
Fuel Tank Capacity	300 L (Standard, optional 400 L) – High-Density Polyethylene or Steel
Frame	Ladder Frame, 8+8+6 mm Reinforced U-Channel, 320 mm Height, Sandblasted & Coated

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Fuel Efficiency

The HOWO WD615-powered 6×4 dump truck is engineered for optimal fuel economy in rugged construction and quarry applications. Fuel consumption is influenced by load, terrain, and driving behavior.

• Average Fuel Consumption:
• Loaded (15-ton payload, mixed terrain): 28–32 L/100 km
• Unloaded (return trips): 22–26 L/100 km
• Optimized Cruising (1,400–1,600 rpm): Achieves peak efficiency at ~25 L/100 km

The Weichai WD615 engine features high-pressure common rail injection (on Euro V models), enhancing combustion efficiency and reducing diesel waste. Combined with the HW19710 transmission’s wide gear ratio spread, the truck maintains engine in optimal torque band, minimizing unnecessary shifts and fuel spikes.

Fuel Savings Note: Retrofitting with tire pressure monitoring systems (TPMS) and driver training programs has demonstrated up to 8% improvement in fleet-wide fuel economy.

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Load Capacity & Body Configuration

The HOWO 6×4 dump truck is designed for high-volume earthmoving, aggregate hauling, and mining logistics.

• Standard Dump Body Dimensions (Typical):
• Length: 5,600 mm
• Width: 2,300 mm
• Height: 1,200 mm

• Volume: 15.5 m³ (loose cubic meters)

• Maximum Payload:

• Up to 16,000 kg permissible payload under regulated GVW (subject to regional axle load laws)

• Body options available in high-strength steel (T700) for abrasive materials (e.g., granite, basalt)

• Lift System:

• Double-acting telescopic hydraulic cylinder (Parker or equivalent)
• Hoist Control: PTO-driven gear pump with manual/remote control options
• Dump Angle: ≥ 48° for complete material discharge

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Operational Notes for Fleet Deployment

• Durability: The HW19710 transmission and Weichai WD615 engine are proven in 10,000+ hour field operations with scheduled maintenance.
• Maintenance Intervals:
• Oil & Filter: Every 10,000 km
• Fuel System (Euro V): 20,000 km (DPF/SCR service as per diagnostics)
• Cold Climate Option: Engine pre-heating system (-30°C operational capability)
• Tire Performance: 12.00R20 radial tires offer extended tread life (~80,000 km in mixed use) and improved rolling resistance vs. bias-ply alternatives.

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Conclusion:
The HOWO 6×4 dump truck equipped with the Weichai WD615 engine and HW19710 transmission delivers a balanced combination of high payload capacity, proven mechanical reliability, and competitive fuel efficiency for medium- to heavy-duty construction fleets. Ideal for aggregate haulage, site excavation, and infrastructure projects requiring consistent uptime and low TCO (Total Cost of Ownership).

Quality Control & Inspection Standards

SEA LION INTERNATIONAL

INDUSTRIAL SPECIFICATION REPORT: HOWO 64 DUMP TRUCK
REPORT ID: SLI-H64-MFG-PDI-2026
EFFECTIVE DATE: 01 JANUARY 2026

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1. EXECUTIVE SUMMARY

This report details the manufacturing quality control protocols and Pre-Delivery Inspection (PDI) standards for the Howo 64 Dump Truck (Model: ZZ3257N3841C1/NBD). Focus is placed on structural integrity for off-road operations and powertrain resilience under sustained heavy loads. Data reflects compliance with ISO 9001:2015, GB/T 19001-2016, and SEA LION International’s Tier-4 Industrial Durability Framework. Target applications: aggregate hauling, quarry operations, and large-scale earthmoving.

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2. MANUFACTURING QUALITY: CHASSIS STRENGTH FOR ROUGH TERRAIN

The chassis is engineered for 1.5 million load cycles at 85% of max GVWR (40,000 kg) on ISO 8855 Class D terrain (extreme off-road). Key manufacturing controls:

Parameter	Specification	Test Method	Acceptance Criteria
Frame Material	Q345B High-Strength Low-Alloy Steel	ASTM A370 Mill Cert + SEA LION Spectroscopy	Yield Strength ≥ 345 MPa
Frame Cross-Section	Double-C Channel (300mm x 90mm x 8mm)	Laser Profilometry	Tolerance: ±0.5mm
Reinforcement Zones	8x Stress-Relieved Gussets (Front Axle Mount, Hoist Pivot)	Ultrasonic Weld Inspection (AWS D1.1)	Zero porosity/cracks >1.5mm
Torsional Rigidity	18,500 N·m/deg	SEA LION Jig Test (SAE J298A)	Min. 17,000 N·m/deg
Fatigue Life (Simulated)	1.8M cycles @ 35,000 kg payload	MTS 320 Axial Load Rig	Max. deflection ≤ 8mm

Critical Process Controls:
– Welding: Robotic MIG welding (100% automated) with real-time thermal monitoring. Interpass temp held at 120±10°C to prevent HAZ embrittlement.
– Stress Relieving: Post-weld thermal treatment at 620°C for 90 minutes (per EN 1011-4).
– Corrosion Protection: Electrophoretic dip primer (70μm) + polyurethane topcoat (120μm). Salt spray resistance: 1,500 hrs (ASTM B117).

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3. MANUFACTURING QUALITY: ENGINE DURABILITY (WEICHAI WP10H 430HP)

The WP10H engine is built for 18,000-hour B50 life under continuous 85% load at 2,200 RPM. SEA LION mandates enhanced tolerances beyond OEM specs:

Component	SEA LION Enhancement	Validation Test	Failure Threshold
Crankshaft	Forged 42CrMoA + Nitriding (0.5mm depth)	Endurance Run (SAE J183)	Max. wear: 0.05mm @ 15k hrs
Cylinder Liners	Centrifugally Cast + Chrome Plating (80μm)	Scuffing Test (ISO 1585)	No scoring @ 110°C coolant
Cooling System	Dual Thermostats + 40% Larger Radiator	Thermal Shock Cycle (SEA LION STD-7)	Coolant temp stability ±3°C
Filtration	3-Stage (Bypass + Full-Flow + Coalescing)	ISO 4548 Multi-Pass Test	Beta 10≥1,000
Oil Analysis Baseline	Pre-shipment Spectrometric Report	ASTM D5185	Fe < 50 ppm; Si < 15 ppm

Critical Process Controls:
– Cleanliness: Assembly in ISO Class 8 cleanroom. Particle count: ≤ 500/m³ >5μm (per ISO 4406).
– Torque Sequencing: Automated gun with angle monitoring (±2° accuracy). Critical bolts (e.g., main caps) torqued in 3 stages.
– Break-In Protocol: 4-hour dyno run at 75% load with oil analysis at 30-min intervals. Reject if viscosity drop >15%.

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4. PRE-DELIVERY INSPECTION (PDI) PROTOCOL

All units undergo 127-point PDI per SEA LION PDI-2026 Standard. Key checks for rough-terrain readiness:

4.1 Chassis & Suspension Verification

Checkpoint	Method	Pass/Fail Criteria
Frame Alignment	Laser Theodolite Measurement	Lateral deviation ≤ 3mm/m
Suspension Bushings	Load-Deflection Test (10,000 kg static)	Hysteresis loss ≤ 8%
Hoist Cylinder Mounts	Torque Verification (500 N·m)	Zero movement @ 110% rated load
Driveline Angles	Digital Inclinometer	Max. operating angle ≤ 8°

4.2 Powertrain & Durability Checks

Checkpoint	Method	Pass/Fail Criteria
Engine Oil Analysis	Spectrometric (Fe, Al, Si, Cu)	All metals < 30 ppm
Cooling System Pressure	1.8x Rated Pressure Hold (15 mins)	Zero leakage
Exhaust Gas Temperature (EGT)	Thermocouples at DP Filter Inlet	ΔT ≤ 50°C across DPF @ 2,000 RPM
Transmission Shift Quality	Load Cell + Accelerometer (SAE J1211)	Shift shock ≤ 0.3g

4.3 Rough-Terrain Simulation Test

• Procedure: 50km test on SEA LION-certified durability track (5% grade, 150mm obstacles, 8% side slope).
• Metrics Tracked: Frame strain (rosette gauges), suspension travel, driveline vibration (ISO 2631-1).
• Reject Criteria: Any crack formation, bolt loosening >15°, or vibration > 0.6g RMS.

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5. OPERATIONAL LIMITS & MAINTENANCE IMPACT

• Max. Safe Slope: 30% grade (loaded), 45% grade (empty) – verified per SEA LION STC-09.
• Critical Maintenance Intervals:
• Chassis Lubrication: Every 250 operating hours (grease points: 22)
• Engine Oil Analysis: Every 500 hours (mandatory for warranty)
• Frame Crack Inspection: Every 10,000 km (magnetic particle testing)
• Warranty Implications: Failure to adhere to SEA LION Tier-4 Break-In Protocol (50-hour cycle) voids structural warranty.

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END OF REPORT
SEA LION International – Engineering Excellence Through Quantifiable Standards
Document Classification: INTERNAL USE ONLY. UNAUTHORIZED DISTRIBUTION PROHIBITED.

Shipping & Logistics Solutions

Industrial Specification Report 2026

Prepared by: SEA LION International
Subject: Export Logistics Solutions for HOWO 6×4 Dump Trucks from China
Target Audience: Fleet Managers, Construction Equipment Procurement Teams, Logistics Coordinators

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1. Executive Summary

This report evaluates three primary maritime transport methods—RO-RO (Roll-on/Roll-off), Bulk Cargo, and Flat Rack (Containerized)—for the export of HOWO 6×4 dump trucks from Chinese manufacturing hubs (Jinan, Qingdao) to global project sites. The analysis focuses on operational efficiency, cost structure, equipment protection, and corrosion mitigation, with specific emphasis on wax-based anti-corrosion treatment for seawater exposure during transit.

Recommendations are tailored to fleet-scale procurement and deployment timelines common in infrastructure and mining sectors.

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2. Equipment Overview: HOWO 6×4 Dump Truck

Parameter	Specification
Model	SINOTRUK HOWO ZZ3257N3847N1
Configuration	6×4 (Triple Axle, Rear Dual Tandem)
GVW	25,000 kg
Dimensions (L×W×H)	8,400 × 2,496 × 3,450 mm
Engine	WD615.62, 336 HP, Euro III/IV
Fuel Type	Diesel
Unladen Weight	~14,500 kg
Cargo Capacity	~10,500 kg

Note: Dimensions and weight are critical for shipping method selection and stowage planning.

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3. Comparative Shipping Methods

Criteria	RO-RO (Roll-on/Roll-off)	Bulk Cargo (LoLo)	Flat Rack Container (20′ or 40′)
Loading Mechanism	Self-propelled or towed on/off	Lift-on/Lift-off via crane	Secured on open flat rack units
Stowage Location	Dedicated vehicle decks	Hold or deck (unprotected)	Deck or container stack (exposed)
Handling Equipment	Ramp systems, low friction deck	Heavy-lift cranes, slings	Lashing bridges, twist locks
Max Units per Vessel	120–200 trucks	50–80 (limited by crane cycles)	3–5 per 40′ FR (depends on size)
Transit Time (Shanghai → West Africa)	28–35 days	32–40 days	30–38 days
Port Infrastructure	Requires RO-RO terminal	General cargo port	Container terminal
Risk of Physical Damage	Low (controlled movement)	Medium (lifting stress)	High (exposure, lash failure)
Weather Exposure	Partial (decks may be open)	High (open hold/deck)	Very High (fully exposed)
Insurance Premium	Low to Moderate	Moderate	High
Cost per Unit (USD)	$1,800 – $2,400	$2,000 – $2,800	$2,600 – $3,500

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4. Corrosion Protection: Wax Spraying System

4.1. Seawater Corrosion Risk

Extended marine transit exposes metal surfaces (chassis, suspension, undercarriage) to salt-laden air and condensation. Unprotected steel components may develop surface oxidation within 7–10 days at sea.

4.2. Recommended Protection: Industrial Wax Spray Coating

SEA LION International mandates the application of synthetic hydrophobic wax emulsion prior to shipment for all HOWO units.

Application Protocol:

• Surface Prep: Degrease and dry undercarriage, wheel arches, frame rails.
• Spray Method: High-pressure airless spray (3–5 mil thickness).
• Coverage Areas:
• Chassis frame (full length)
• Suspension components (U-bolts, shackles)
• Fuel/water tanks (underside)
• Axle housings and brake chambers
• Drying Time: 4–6 hours at 25°C ambient.
• Duration of Protection: Up to 120 days at sea under ISO 9223 corrosivity class C5-M.

Performance Metrics:

Property	Value
Salt Spray Resistance (ASTM B117)	>1,000 hours no red rust
Adhesion (Cross-hatch, ISO 2409)	Class 0 (no flaking)
Temperature Range	-30°C to +80°C
Removability	Biodegradable solvent or hot wash

Note: Wax must be removed upon delivery before commissioning.

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5. Method Recommendation by Use Case

Scenario	Recommended Method	Rationale
Fleet Delivery (>50 units), Stable Ports	RO-RO	Lowest damage risk, fastest turnaround, best cost/unit at scale. Requires RO-RO-capable destination.
Remote Sites, No RO-RO Facilities	Bulk Cargo	Balanced cost and accessibility. Requires robust lashing and wax protection.
Oversized or Modified Trucks	Flat Rack	Only viable option for non-standard configurations. Highest exposure risk—wax spray mandatory.

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6. Operational Best Practices

1. Pre-shipment Inspection: Confirm fuel tanks <1/4 full, batteries disconnected, tire pressure adjusted.
2. Lashing (Bulk & Flat Rack): Use ISO-compliant lashing chains (min. 2,500 kg SWL) at 4–6 anchor points per unit.
3. Documentation: Provide CMR, Packing List, and Corrosion Protection Certificate with each shipment.
4. Port Coordination: Pre-book RO-RO berths 14 days in advance; bulk loads require 7-day crane scheduling.

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7. Conclusion

For large-scale export of HOWO 6×4 dump trucks from China, RO-RO shipping offers optimal efficiency and protection, provided destination ports support vehicle roll-off operations. Where infrastructure is limited, Bulk Cargo with full wax spraying presents a cost-effective alternative. Flat Rack remains a niche solution for modified units but demands stringent corrosion control.

All shipments must include industrial wax-based anti-corrosion treatment to ensure operational readiness upon arrival, minimizing post-delivery rework and warranty claims.

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Prepared by:
SEA LION International – Engineering & Logistics Division
Qingdao, China
Data Valid as of Q1 2026