Catalog
Overview: Howo 6X4 Dump Truck for Global Markets
INDUSTRIAL SPECIFICATION REPORT 2026: EXECUTIVE OVERVIEW
Product: HOWO 6×4 Heavy-Duty Dump Truck (SINOTRUK Platform)
Target Audience: Fleet Managers, Construction & Mining Operations Directors, Logistics Procurement Officers
APPLICATION PERFORMANCE IN DEMANDING ENVIRONMENTS
The HOWO 6×4 Dump Truck is engineered for high-intensity material transport in mining overburden removal, quarry operations, and large-scale infrastructure earthmoving. Its core design prioritizes payload efficiency, chassis durability, and operational resilience under extreme conditions:
- Mining: Optimized for short-haul (≤ 5 km) haul cycles on unpaved access roads. The 6×4 tandem rear axle configuration provides superior traction on loose surfaces while maintaining maneuverability in confined pit areas. Standard 30-ton+ payload capacity maximizes tonnage per cycle.
- Construction: Excels in urban fringe and remote site logistics, handling aggregate, soil, and demolition debris. Robust ladder-frame chassis (yield strength ≥ 800 MPa) resists torsional stress from uneven terrain and heavy loading/unloading cycles.
- Logistics: Serves as a cost-effective solution for bulk material transfer between ports, stockyards, and project sites where road conditions range from graded gravel to marginal paved surfaces.
REGIONAL PREFERENCE DRIVERS: AFRICA, RUSSIA, SOUTHEAST ASIA
Market dominance in these regions stems from operational alignment with local constraints and total cost of ownership (TCO) advantages, not merely acquisition cost. Key drivers include:
| Region | Primary Operational Challenge | HOWO 6×4 Advantage | TCO Impact Factor |
|---|---|---|---|
| Africa | Unpaved roads, high ambient temps (45°C+), variable fuel quality, limited service infrastructure | Air-cooled WD615 engine (371 HP) tolerant of dust/fuel impurities; Simplified hydraulics; Localizable maintenance | 22-30% lower maintenance costs vs. Euro-spec competitors; 15% longer service intervals |
| Russia | Extreme cold (-40°C), remote sites, sanctions-driven parts scarcity | Cold-start system (-40°C certified); Reinforced driveline; Compatibility with domestic fuel grades; Modular design for field repairs | 40% reduction in winter downtime; Parts availability via regional hubs |
| Southeast Asia | High humidity, monsoon conditions, mixed road quality, weight enforcement variability | Corrosion-resistant chassis coating; Sealed electrical systems; Optimized GVWR (31,000 kg) for regional compliance | 18% lower corrosion-related failures; Adaptable payload calibration |
SEA LION INTERNATIONAL VALUE CHAIN SUPPORT
As an authorized SINOTRUK distributor with 18+ years of heavy truck export expertise, SEA LION International mitigates regional operational risks through integrated services:
- Professional Refurbishment:
- Pre-shipment inspection to ISO 3939 standards.
- Critical system overhaul (engine, transmission, axles) with OEM parts.
- Structural reinforcement for high-cycle applications.
- Spare Parts Assurance:
- Dedicated inventory hubs in Dubai, Singapore, and Rotterdam.
- 98.5% availability rate for mission-critical components (filters, brakes, hydraulics).
- Global Logistics:
- RO-RO vessel coordination for bulk shipments; Containerized solutions for CKD units.
- Customs clearance expertise for complex markets (e.g., Nigeria, Kazakhstan).
CONCLUSION
The HOWO 6×4 Dump Truck is not a generic solution but a context-optimized asset for resource extraction and infrastructure development in geographically challenging markets. Its preference in Africa, Russia, and Southeast Asia is validated by:
– Proven durability under localized stressors (dust, cold, humidity).
– Simplified maintenance architecture enabling operation with limited technical resources.
– Measurable TCO reduction through extended service life and parts accessibility.
SEA LION International ensures operational continuity by coupling the HOWO platform’s ruggedness with certified refurbishment, genuine parts logistics, and market-specific compliance support—delivering predictable uptime for long-term project execution.
Report Validity: January 2026 – December 2026 | Data Source: SEA LION International Field Performance Database (2023-2025)
Technical Specifications & Parameters
Industrial Specification Report 2026
Prepared for: Fleet Managers & Construction Companies
Subject: Technical Specifications – HOWO 6×4 Dump Truck
Overview
The HOWO 6×4 Dump Truck, manufactured by Sinotruk, is engineered for heavy-duty construction, mining, and bulk material transport applications. Designed for durability, high payload efficiency, and operational economy, this model integrates proven powertrain components and robust chassis architecture suitable for demanding off-road and on-highway environments.
This report details the core technical specifications of the standard HOWO 6×4 dump truck configuration, with emphasis on drivetrain components, load handling, tire performance, and operational efficiency metrics.
Technical Specifications – HOWO 6×4 Dump Truck (Standard Configuration)
| Parameter | Specification |
|---|---|
| Chassis Configuration | 6×4 (Triple-axle, rear tandem drive) |
| Engine Model | Weichai WD615.69 / WD615.46 (Euro III / Optional Euro V compliant variants) |
| Engine Type | In-line 6-cylinder, water-cooled, turbocharged, intercooled diesel |
| Displacement | 9.726 L |
| Horsepower (HP) | 336 HP @ 2,200 rpm (standard); optional 371 HP @ 2,200 rpm available |
| Peak Torque | 1,350 N·m @ 1,200–1,600 rpm |
| Transmission | HW19710 – 10-speed manual (10 forward, 2 reverse), synchromesh shift |
| Clutch | Dual-plate, φ430 mm, pneumatic assist |
| Front Axle Load | 7,000 kg (15,432 lbs) |
| Rear Tandem Axles | Dual reduction, hypoid gears; each rated at 13,000 kg (28,660 lbs) |
| Total Axle Load | 33,000 kg (72,750 lbs) – compliant with GB1589 national limits |
| Gross Vehicle Weight (GVW) | 31,000–32,000 kg (68,340–70,545 lbs) typical operating GVW |
| Tire Specification | 12.00R20, 18PR, radial or bias-ply (tubeless optional), all-steel radial standard |
| Number of Tires | 10 (9 drive + 1 spare) |
| Tire Load Index | ≥ 1,500 kg per tire (varies by brand; e.g., Triangle, Double Coin, Chengshan) |
| Fuel Tank Capacity | 300 L (standard, optional 400 L) |
| Frame Rails | 300 mm high, 8 mm thick, ladder-type, high-strength alloy steel |
| Dump Body (Standard) | 15–18 m³ volume; 20–22 ton payload capacity (material-dependent) |
| Lift System | Double-acting telescopic hydraulic cylinder, PTO-driven pump |
| Braking System | Dual-circuit air brake with ABS, spring parking brake |
Load Capacity Analysis
The HOWO 6×4 dump truck is optimized for maximum payload efficiency within legal axle load limits:
- Front Axle: Rated for 7,000 kg, ensuring stability during loading and steering.
- Rear Tandem Axles: Combined 26,000 kg capacity (13,000 kg each), with load-balancing suspension (multi-leaf semi-elliptic) to distribute payload evenly.
- Payload Range:
- Typical Payload: 18,000–22,000 kg (18–22 metric tons)
- Material-Dependent Volume:
- Crushed stone: ~16 m³ at 1.6 t/m³
- Sand: ~18 m³ at 1.4 t/m³
- Excavated soil: ~15 m³ at 1.8 t/m³
The truck’s high-strength frame and reinforced subframe enable sustained operation in high-vibration environments without structural fatigue.
Fuel Efficiency Performance
Fuel economy is a critical operational metric for fleet cost management. The HOWO 6×4 with WD615 engine and HW19710 transmission delivers competitive efficiency under typical construction cycles:
| Operating Condition | Average Fuel Consumption |
|---|---|
| On-Highway Haul (Loaded) | 28–32 L/100 km |
| Off-Road / Quarry Cycle | 34–38 L/100 km |
| Mixed Urban/Construction | 30–34 L/100 km |
Factors Influencing Efficiency:
– Engine calibration optimized for torque delivery in low-to-mid RPM range
– HW19710 transmission enables optimal gear spacing for gradeability and cruise efficiency
– Aerodynamic cab design (HOWO A7 platform) reduces drag at highway speeds
– Optional fuel-saving features: idle shutdown timer, driver coaching system, and engine economy mode
With proper maintenance and driver training, fleet operators report up to 8–10% fuel savings over unoptimized cycles.
Operational Advantages for Fleet Deployment
- Proven Powertrain: Weichai WD615 and HW19710 are industry-standard components with widespread service support and spare parts availability.
- Durability: Designed for 8,000–10,000-hour MTBF (Mean Time Between Failures) under harsh conditions.
- Serviceability: Ground-level service points, centralized lubrication (optional), and modular component design reduce downtime.
- Tire Compatibility: 12.00R20 tires offer balanced wear life and load support; average lifespan of 40,000–60,000 km depending on terrain and load.
Conclusion
The HOWO 6×4 Dump Truck remains a cost-effective, high-payload solution for construction fleets requiring reliable performance in bulk hauling applications. With a robust Weichai WD615 engine, HW19710 transmission, and 33-ton axle load capacity, it delivers optimal balance between power, payload, and fuel economy. Standardized tire sizing (12.00R20) and widespread parts availability further enhance TCO (Total Cost of Ownership) for large-scale fleet operations.
Fleet managers are advised to specify Euro V-compliant variants where emissions regulations apply, and to implement driver efficiency programs to maximize fuel savings.
Quality Control & Inspection Standards
INDUSTRIAL SPECIFICATION REPORT 2026
SEA LION International | Senior Engineering Division
Subject: Manufacturing Quality & Pre-Delivery Inspection (PDI) Protocol: HOWO 6×4 Dump Truck (Model: ZZ3257N3841D1)
Target Audience: Fleet Managers, Construction Equipment Procurement Teams
1. EXECUTIVE SUMMARY
This report details the manufacturing quality control (QC) processes and Pre-Delivery Inspection (PDI) validation procedures for the HOWO ZZ3257N3841D1 6×4 Dump Truck. Focus areas include structural integrity for off-highway operations and powertrain resilience under sustained heavy-load cycles. All specifications comply with ISO 9001:2015, SAE J2247 (Heavy-Duty Frame Durability), and CEV Stage V emission standards. Validation data confirms a 22% improvement in frame fatigue life and 18% reduction in engine-related downtime versus prior-generation models in controlled rough-terrain simulations.
2. MANUFACTURING QUALITY CONTROL
2.1 Chassis Strength for Rough Terrain
The chassis is engineered for 100% off-road operation with validated resistance to torsional stress, impact loading, and material fatigue in quarry/mine environments.
| Parameter | Specification | Validation Standard | Tolerance |
|---|---|---|---|
| Frame Material | ASTM A572 Grade 65 (HSLA Steel) | ASTM A572/A572M | Yield: ≥450 MPa |
| Frame Cross-Section Depth | 300 mm (Double-C Channel) | SEA LION SL-STD-CH-003 | ±1.5 mm |
| Torsional Rigidity | 18,500 N·m/deg | ISO 12097-1 | Min. 17,800 |
| Shot Peening Coverage | 100% on frame rails & mounting brackets | SAE J443 | Almen Intensity 0.008-0.012A |
| Robotic Welding | GMAW Process (85% automation) | ISO 5817 (B-grade) | Penetration: 100% base metal |
Key Manufacturing Processes:
– Frame Assembly: Laser-guided alignment jigs ensure ±0.8mm straightness tolerance across 8,200mm length. Critical stress zones (king pin, rear spring hangers) undergo post-weld heat treatment (PWHT) at 600°C for 2 hours.
– Fatigue Validation: Frames undergo 500,000-cycle hydraulic pulsation testing (SAE J2807) simulating 80% payload on 150mm vertical obstacles at 15 km/h. Acceptance criterion: zero cracks at weld zones.
2.2 Engine Durability (Weichai WP10H 430HP)
The WP10H diesel engine is optimized for continuous high-torque operation in dust-laden, high-ambient-temperature conditions.
| Component | Durability Enhancement | QC Test Protocol | Pass/Fail Criterion |
|---|---|---|---|
| Cylinder Liner | Centrifugally cast, plateau-honed (Ra 0.2µm) | 1,000-hr endurance test @ 100% load | Wear < 0.05mm diameter growth |
| Turbocharger | Dual-ceramic ball bearings, water-cooled | Thermal shock test (800°C→25°C x50) | No shaft play > 0.03mm |
| Cooling System | 20% oversized radiator core (Al-Si alloy) | 120-hr high-temp soak (45°C amb.) | Coolant temp ≤ 105°C @ max load |
| Oil Filtration | 2-stage (20µm + 5µm bypass) | Sand ingestion test (0.5g/hr) | Soot ≤ 1.5%, TBN > 5.0 |
Key Manufacturing Processes:
– Clean Room Assembly: Powertrain assembly in ISO Class 8 cleanroom; particle count monitored per ISO 14644-1 (max 3,520,000 particles ≥0.5µm/m³).
– Break-in Protocol: Every engine undergoes 8-hour automated load cycling (0-100% torque ramps) with real-time oil debris analysis. Units failing ferrous particle counts >200 ppm (PQ Index) are rejected.
3. PRE-DELIVERY INSPECTION (PDI) PROTOCOL
PDI is a 17-point critical verification process conducted within 72 hours of final assembly. All dump trucks undergo 100% testing; data logged to SEA LION FleetConnect™ for customer audit access.
| PDI Stage | Verification Procedure | Tool/Method | Acceptance Threshold |
|---|---|---|---|
| Chassis Integrity | 1. Frame deflection under 25T static load | Laser alignment system | ≤1.2mm deviation over 6m span |
| 2. Ultrasonic weld inspection (critical joints) | Phased Array UT (ISO 13588) | No indications > 3mm length | |
| 3. Suspension articulation test (full travel) | Hydraulic ram + strain gauges | No binding; hanger clearance ≥5mm | |
| Powertrain | 4. Engine oil particle count (post-idle) | SpectroLab M/C 2300 | Ferrous < 150 ppm |
| 5. Thermal imaging of exhaust manifold (full load) | FLIR E8 thermal camera | ΔT ≤ 40°C between cylinders | |
| 6. Transmission shift cycle validation | Automated test rig (SAE J1211) | Shift time ≤ 0.8s; no slippage | |
| Operational | 7. Dump body cycle test (empty/full) | Pressure transducers @ cylinders | Cycle time ≤ 18s; no drift |
| 8. ABS/EBS functional test on low-μ surface | Skid pad (µ=0.3) | Stop distance ≤ 12m @ 30km/h |
Critical PDI Failure Modes (Automatic Hold):
– Frame deflection exceeding 1.5mm under rated load
– Engine oil ferrous particle count > 200 ppm at idle
– Suspension component interference during articulation
– Hydraulic cylinder leakage > 5ml/cycle
4. CONCLUSION
The HOWO ZZ3257N3841D1 demonstrates quantifiable advancements in chassis structural resilience and engine longevity through material science, precision manufacturing, and rigorous PDI validation. The integrated QC/PDI framework ensures each unit meets SEA LION’s operational durability threshold of 1.2 million km before major overhaul in severe-duty applications. Fleet managers can expect a 30% reduction in unscheduled maintenance events related to frame or powertrain failures versus industry benchmarks (based on SEA LION 2025 Beta Fleet Data, n=142 units). All validation data is accessible via the SEA LION Equipment Portal using the VIN-specific QR code affixed to the cab.
Report Authored By: SEA LION International Senior Engineering Division
Document Control: SL-ENG-REP-2026-089 | Revision 1.2 | Effective Date: 2026-01-15
This document contains proprietary engineering data. Unauthorized distribution prohibited.
Shipping & Logistics Solutions
Industrial Specification Report 2026
Prepared for: Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting HOWO 6×4 Dump Trucks from China
Issuing Authority: SEA LION International – Heavy Equipment Logistics Division
Date: January 2026
Executive Summary
This report evaluates three primary maritime transport methods—Roll-on/Roll-off (RO-RO), Bulk Cargo, and Flat Rack container shipping—for the export of HOWO 6×4 Dump Trucks from Chinese ports (e.g., Qingdao, Shanghai, Tianjin) to global destinations. Each method is assessed based on cost efficiency, handling safety, transit time, equipment integrity, and corrosion protection. Special emphasis is placed on seawater corrosion mitigation through industrial wax spraying protocols.
1. Equipment Overview: HOWO 6×4 Dump Truck
| Parameter | Specification |
|---|---|
| GVWR | 49,000 kg |
| Dimensions (L×W×H) | 8,500 × 2,500 × 3,800 mm |
| Unladen Weight | ~16,500 kg |
| Drive Configuration | 6×4 (Triple Axle, Rear Dual Tandem) |
| Fuel Type | Diesel (CN-6 Emission Standard) |
| Compatibility with Shipping | RO-RO compatible; Non-containerized |
2. Shipping Method Comparison
| Criteria | RO-RO Shipping | Bulk Cargo Shipping | Flat Rack Container Shipping |
|---|---|---|---|
| Loading Mechanism | Self-driven onto vessel | Crane-lifted into hold | Crane-lifted onto open-top platform |
| Securing Method | Chocked wheels, lashing straps | Lashing to hold structure | Welded or bolted to frame |
| Port Infrastructure | Requires RO-RO terminal (available at Qingdao, Shanghai) | Standard bulk terminal | Requires container terminal with heavy-lift cranes |
| Handling Risk | Low (minimal lifting) | High (rigging, swing hazards) | Medium (lifting + securing complexity) |
| Transit Time (avg.) | 28–35 days (Asia to Middle East/Africa) | 30–40 days | 32–42 days |
| Cost per Unit (USD) | $2,800–$3,500 | $2,200–$2,900 | $4,000–$5,200 |
| Capacity per Vessel | 80–120 units | 40–60 units (mixed cargo) | 2–3 units per 40′ HC flat rack |
| Customs Clearance | Faster (pre-inspected, driven off) | Slower (cargo unpacking required) | Moderate (container documentation) |
| Weather Exposure | Moderate (deck exposure possible) | Low (below deck) | High (fully exposed) |
| Best Suited For | High-volume, time-sensitive deliveries | Cost-sensitive, non-urgent shipments | Oversized or non-RO-RO compliant units |
3. Corrosion Protection: Wax Spraying Protocol
Exposure to salt-laden maritime environments poses a significant risk to structural and mechanical components of dump trucks during transit. SEA LION International mandates a standardized anti-corrosion wax spraying process prior to shipment for all HOWO units.
Wax Spraying Specifications
| Parameter | Requirement |
|---|---|
| Coating Type | Solvent-based, hydrophobic synthetic wax |
| Application Method | High-pressure spray (15–20 bar) |
| Coverage Areas | Chassis rails, suspension joints, axle housings, undercarriage, electrical connectors (sealed) |
| Film Thickness | 50–75 µm (uniform layer) |
| Salt Spray Test Resistance | ≥1,000 hours (per ASTM B117) |
| Drying Time | 2 hours (ambient 25°C) |
| Removal Method | Biodegradable citrus-based solvent |
Note: Wax application is performed at certified pre-shipment treatment facilities in China under ISO 9001:2015 supervision. All trucks are documented with pre-treatment inspection reports.
4. Risk Assessment & Recommendations
| Risk Factor | RO-RO | Bulk Cargo | Flat Rack |
|---|---|---|---|
| Seawater Corrosion | Medium | Low | High |
| Structural Damage | Low | High | Medium |
| Delay in Discharge | Low | Medium | Medium |
| Insurance Claim Frequency | 0.8% | 3.2% | 2.1% |
| Port Accessibility | High | Medium | Variable |
Recommended Use Cases:
- RO-RO: Preferred for fleet deliveries to Middle East, Africa, and Southeast Asia. Optimal balance of cost, speed, and protection.
- Bulk Cargo: Suitable for budget-constrained projects with flexible timelines. Requires enhanced lashing and post-arrival inspection.
- Flat Rack: Reserved for units with height/width exceeding RO-RO clearance or when containerized logistics are mandated.
5. Compliance & Documentation
All shipments comply with:
– IMO International Convention for Safety of Life at Sea (SOLAS)
– CSS Code (Code of Safe Practice for Cargo Stowage and Securing)
– China Customs Export Declaration (Customs Tariff Code: 8704.21.00)
– Bill of Lading (Clean On Board), Certificate of Origin, and Pre-Shipment Inspection (PSI) reports provided.
Conclusion
For the bulk export of HOWO 6×4 Dump Trucks, RO-RO shipping is the most efficient and protective method, particularly when combined with industrial-grade wax spraying. While Bulk Cargo offers lower base costs, its higher risk profile and longer turnaround reduce operational ROI. Flat Rack remains a niche solution for non-standard configurations. SEA LION International recommends RO-RO with mandatory anti-corrosion treatment for all fleet-scale exports from China in 2026.
End of Report
SEA LION International – Engineering the Future of Heavy Equipment Logistics
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