Catalog
Overview: Howo 371 Dump Truck for Global Markets
INDUSTRIAL SPECIFICATION REPORT 2026: EXECUTIVE OVERVIEW
SEA LION INTERNATIONAL TRADE CO., LTD.
Authorized Distributor for SINOTRUK (HOWO), SHACMAN, XCMG | Est. 2006
HOWO 371 DUMP TRUCK: OPERATIONAL EXCELLENCE IN DEMANDING ENVIRONMENTS
Target Application: Mining Haulage, Heavy Construction, Bulk Logistics
The SINOTRUK HOWO 371 (Model ZZ3317N3667N1) is engineered for maximum productivity in high-intensity material transport cycles. Its core design prioritizes rugged durability, operational cost efficiency, and simplified maintenance – critical factors for fleet sustainability in resource extraction, infrastructure development, and aggregate logistics. SEA LION International, leveraging 18+ years of heavy truck export specialization and authorized SINOTRUK partnership, validates this model’s dominance in Africa, Russia, and Southeast Asia through extensive field deployment and refurbishment data.
PRIMARY APPLICATION ADVANTAGES
-
Mining Operations:
- Payload & Traction: 31-35 tonne payload capacity (region-specific configurations) with robust 6×4 driveline and high-torque engine (1,800 Nm @ 1,000-1,600 rpm) ensures reliable performance on steep, unimproved haul roads and in loose terrain.
- Durability: Reinforced chassis (U-type 300mm high-strength steel), heavy-duty suspension (multi-leaf parabolic), and sealed drivetrain components withstand abrasive dust, vibration, and constant heavy loading cycles common in open-pit mines.
- Cost per Ton: Optimized fuel consumption (28-32 L/100km under full load, site-dependent) combined with extended service intervals (10,000 km oil change) directly reduces operational expenditure per ton hauled.
-
Construction & Infrastructure:
- Maneuverability & Stability: Compact turning radius (≤ 12.5m) and low center of gravity enhance site safety and access in confined urban construction zones or road building projects.
- Versatility: Standardized 15-18 m³ body compatibility (with options for rock/ore bodies) allows rapid adaptation between earthmoving, road base, and demolition debris transport.
- Operator Productivity: Ergonomic cab (air suspension seat, low-effort controls) and high-visibility design reduce fatigue during repetitive dump cycles.
-
Bulk Logistics (Aggregate/Sand/Gravel):
- Reliability Focus: Simplified electrical architecture and proven WD615.69 turbocharged diesel engine minimize roadside failures on long-haul routes between quarries and processing plants.
- Payload Compliance: Precise weight distribution engineering ensures consistent legal payload utilization across diverse regional axle weight regulations.
REGIONAL MARKET PREFERENCE: AFRICA, RUSSIA, SOUTHEAST ASIA
The HOWO 371’s dominance in these regions stems from deliberate engineering alignment with local operational constraints and economic realities, not merely price:
| Region | Key Operational Challenges | HOWO 371 Technical & Economic Advantages | SEA LION Value-Add |
|---|---|---|---|
| Africa | Extreme dust, remote sites, limited service infrastructure, high fuel costs, diverse terrain (desert/mine/urban) | Dust-sealed air filtration (2-stage), extended service intervals, high ground clearance (≥ 320mm), fuel-efficient engine tuning, simplified diagnostics | Refurbished units with remanufactured cores; On-site technical support networks; RO-RO logistics to major ports (Dakar, Mombasa, Durban) |
| Russia | Severe cold (-40°C), heavy snow, long distances, weight regulation complexity, infrastructure gaps | -40°C cold-start capability (glow plug + block heater), reinforced driveline for icy conditions, precise weight distribution for axle compliance, high-torque at low RPM | Cold-climate spec kits (batteries, fluids), certified winterization process, parts hubs in Moscow/St. Petersburg |
| Southeast Asia | High humidity, monsoon rains, dense urban sites, mixed paved/unpaved routes, cost sensitivity | Corrosion-resistant chassis treatment, optimized cooling system, agile dimensions for city access, superior TCO vs. Western brands | Regional parts depots (Singapore, Jakarta, Bangkok), rapid containerized spare parts delivery, certified refurbishment for tropical conditions |
SEA LION INTEGRATED VALUE PROPOSITION
SEA LION International transcends basic distribution by ensuring the HOWO 371 delivers sustained value through our core competencies:
- Refurbishment Standardization: All pre-owned units undergo rigorous 120-point inspection and remanufacturing (engine/transmission rebuilds, structural reinforcement, electrical system overhaul) to meet SINOTRUK factory performance benchmarks, extending service life by 5+ years.
- Parts Integrity & Availability: Direct access to SINOTRUK OEM spare parts guarantees component authenticity and compatibility. Strategic global warehousing (Singapore, Rotterdam, Dubai) ensures 95%+ critical parts availability within 72 hours.
- Logistics Optimization: Expertise in RO-RO vessel chartering and containerized shipment (including CKD/SKD options) minimizes transit time and damage risk, critical for project timelines.
- Total Cost of Ownership (TCO) Focus: Our data demonstrates HOWO 371 fleets, supported by SEA LION services, achieve 15-22% lower 5-year TCO compared to legacy Western brands in target regions, driven by parts cost, uptime, and fuel efficiency.
CONCLUSION FOR FLEET MANAGERS & CONTRACTORS
The HOWO 371 is not a compromise solution; it is the operationally optimized choice for high-volume material movement where uptime, payload efficiency, and repair economics dictate project viability. SEA LION International provides the technical assurance, supply chain resilience, and long-term partnership model required to maximize asset productivity in Africa, Russia, and Southeast Asia. We deliver not just trucks, but validated operational capability backed by 18 years of industrial deployment expertise. Partner with SEA LION to deploy a fleet engineered for your specific environmental and economic realities.
Technical Specifications & Parameters
Industrial Specification Report 2026
Prepared for Fleet Managers & Construction Companies
Vehicle: HOWO 371 HP Dump Truck
Manufacturer: SINOTRUK (China National Heavy Duty Truck Group)
Technical Specifications
| Parameter | Specification |
|---|---|
| Engine Model | Weichai WD615.69 / WD615.92 (Euro III Compliant) |
| Engine Type | 6-Cylinder Inline, Water-Cooled, Turbocharged, Intercooled Diesel |
| Displacement | 9.726 L |
| Max Horsepower | 371 HP @ 2,200 rpm |
| Max Torque | 1,350 N·m @ 1,200–1,600 rpm |
| Transmission | HW19710 – 10-Speed Manual (10F/2R), Synchromesh, Heavy-Duty Gearbox |
| Clutch | Dual-Plate, Ø430 mm, Pneumatically Assisted |
| Front Axle Load | 7,000 kg (15,432 lbs) – Reinforced I-Beam Design |
| Rear Axle Load | 16,000 kg x 2 (35,274 lbs x 2) – Dual Reduction, Spiral Bevel Gear, HC16 |
| Suspension (Front) | Parabolic Leaf Springs, Double-Action Hydraulic Shock Absorbers |
| Suspension (Rear) | Multi-Leaf Full-Float Spring Pack, Heavy-Duty U-Bolts |
| Tire Specifications | 12.00R20 – Radial or Bias-Ply, 18PR, Tube-Type, All-Position Tread (Off-Road Capable) |
| Tire Load Index | 145 (Per Tire), Dual Rear Wheel Configuration |
| Braking System | Full Air Brake, Dual-Circuit, ABS Optional, Spring-Applied Parking Brake |
| Fuel Tank Capacity | 400 L (Standard Steel Tank, Optional 300 L or 500 L) |
| GVWR | 49,000 kg (108,027 lbs) |
| Payload Capacity | 25,000–32,000 kg (55,116–70,546 lbs) – Varies by Body Configuration |
| Dump Body Volume | 18–22 m³ (Standard Rigid Body, Tri-Axle Configuration) |
| Approach Angle | 22° |
| Departure Angle | 48° |
| Ground Clearance | 280 mm (11.0 in) |
| Frame Type | Ladder Frame, 300 mm High-Tensile Steel, Reinforced at Stress Points |
Fuel Efficiency Analysis
The HOWO 371 HP dump truck is engineered for optimal fuel economy in heavy-duty construction and quarry applications. The Weichai WD615 engine features advanced high-pressure common rail (HPCR) fuel injection and ECU-controlled combustion optimization, delivering an average specific fuel consumption of 198 g/kWh under full load.
- On-Road Fuel Consumption: 32–36 L/100 km (loaded, mixed terrain)
- Off-Road / Quarry Use: 38–44 L/100 km (continuous load cycles, inclines)
- Idle Fuel Burn: ~2.1 L/hour
Fuel efficiency is further enhanced by the HW19710 transmission’s wide gear ratio spread (10 forward gears), enabling precise engine load matching and reduced RPM during cruise. Fleet telemetry data from 2025 trials indicates a 12–15% improvement in fuel economy over previous-generation 336 HP models when operated with trained drivers and routine maintenance.
Load Capacity & Structural Performance
The HOWO 371 is designed for maximum payload efficiency in aggregate, overburden, and bulk material transport. Key load-handling features include:
- Gross Vehicle Weight Rating (GVWR): 49,000 kg
- Typical Payload Range: 28,000 kg (61,729 lbs) average with standard 20 m³ body
- Axle Load Distribution:
- Front: 7,000 kg (14.3% of GVWR)
- Rear Tandem: 32,000 kg (65.3% of GVWR)
- Weight-to-Power Ratio: ~75 kg/HP (optimized for 6–8% grade climbing at full load)
The HC16 rear axles with 5.73:1 final drive ratio provide high tractive effort (up to 38,500 N·m wheel torque) and excellent durability under sustained overloading. The 12.00R20 tires, rated at 145 load index each, support a combined rear axle capacity of 32,800 kg—well within safe operating margins.
Operational Recommendations
- Maintenance Interval: 10,000 km oil & filter change; 50,000 km driveline inspection
- Fuel Quality: Ultra-Low Sulfur Diesel (ULSD, <10 ppm) recommended for engine longevity
- Tire Pressure: 850–900 kPa (123–130 psi) for optimal wear and load transfer
- Transmission Use: Utilize splitter gears (HW19710) to maintain 1,400–1,800 rpm under load
Conclusion: The HOWO 371 HP dump truck offers a balanced combination of high payload capacity, proven Weichai powertrain reliability, and competitive fuel efficiency. Its rugged axle configuration and industrial-grade components make it a cost-effective solution for medium- to high-volume haul operations in construction, mining, and infrastructure projects.
Quality Control & Inspection Standards
INDUSTRIAL SPECIFICATION REPORT 2026
SEA LION INTERNATIONAL | ENGINEERING VALIDATION DIVISION
PRODUCT: HOWO 371 DUMP TRUCK (MODEL: ZZ3257N3847C1)
TARGET AUDIENCE: FLEET MANAGERS & CONSTRUCTION OPERATIONS DIRECTORS
1. MANUFACTURING QUALITY ASSESSMENT
1.1 Chassis Strength for Rough Terrain
The HOWO 371 chassis employs a triple-layered reinforcement architecture validated for sustained operation on unimproved haul roads, quarries, and seismic-active zones. Key manufacturing specifications:
| Parameter | Specification | Validation Method |
|---|---|---|
| Frame Material | High-tensile alloy steel (Q800E, 800 MPa yield strength) | ASTM A572 Gr. 65 certified |
| Cross-member Density | 12 longitudinal beams @ 350mm intervals | FEA simulation (ANSYS v2025) |
| Torsional Rigidity | 18,500 N·m/deg | Physical jig testing (ISO 12097) |
| Axle Mounting Points | CNC-machined cast steel (SAE 4140) | 100% ultrasonic flaw detection |
| Critical Weld Zones | Full-penetration MIG welding (ISO 581) | Automated X-ray inspection (100%) |
Operational Impact: The chassis withstands ≥30-ton payloads on surfaces with ≤15° lateral slope and 200mm vertical displacement (per SEA LION Field Test Protocol FT-227). Fatigue life exceeds 1.2 million stress cycles at 85% max load.
1.2 Engine Durability (SINOTRUK WD615.48)
The 10.5L inline-6 turbocharged diesel engine is engineered for 15,000+ hour service life in high-dust, high-ambient-temperature environments. Manufacturing safeguards include:
- Cylinder Block: Compacted graphite iron (CGI) casting with 0.05mm precision tolerance
- Piston Assembly: Forged steel skirts with molybdenum anti-scuff coating
- Turbocharger: Dual-ceramic bearing system (Garrett GT4510S) rated for 220°C EGT
- Cooling System: 30% oversized aluminum radiator core with debris-shield design
Validation Data:
| Test Condition | Duration | Failure Threshold | HOWO 371 Result |
|—————————–|————–|————————|———————|
| Continuous 100% load @ 45°C | 500 hrs | >15% power loss | 2.3% power loss |
| Dust ingestion (SAE J726) | 250 hrs | >0.5g/hr oil consumption | 0.18g/hr |
| Cold start (-35°C) | 100 cycles | >15 sec crank time | Avg. 8.2 sec |
2. PRE-DELIVERY INSPECTION (PDI) PROTOCOL
All HOWO 371 units undergo Stage 4 PDI Certification per SEA LION Standard SP-2026. Critical rough-terrain and durability checkpoints:
2.1 Chassis & Suspension Verification
| Checkpoint | Acceptance Criteria | Tool/Method |
|---|---|---|
| Frame alignment | ≤2mm deviation over 6m length | Laser theodolite (Leica NA730) |
| Suspension bushing preload | 18-22 kN axial force (front/rear) | Hydraulic load cell |
| Drive shaft runout | ≤0.8mm TIR @ 3000 RPM | Dial indicator (0.01mm res) |
| Air bag integrity | 0.5 bar pressure hold @ 72 hrs | Digital manometer |
2.2 Powertrain Durability Audit
- Engine Oil Analysis: Spectrometric verification of wear metals (Fe, Al, Cu) <5 ppm baseline
- Exhaust Gas Temperature (EGT): Uniformity ≤±15°C across all cylinders at 1800 RPM
- Coolant Pressure Test: 1.8 bar hold @ 95°C for 60 min (zero leakage)
- Transmission Shift Cycles: 100 automated shifts (P-R-N-D) with <0.3s engagement variance
2.3 Field Simulation Test
Each unit completes 15km dynamic load test on SEA LION’s proprietary rough-terrain circuit:
– 40% grade climb with 25-ton payload
– 150mm axle displacement obstacle course
– 30-min continuous 45° oscillating frame twist
Pass/Fail Criteria: Zero frame cracks, <0.5mm suspension component displacement, no powertrain fault codes.
3. OPERATIONAL RECOMMENDATIONS
- Critical Maintenance Interval: Verify frame bolt torque (spec: 1,100 N·m ±5%) at 5,000km intervals
- Rough-Terrain Protocol: Limit sustained operation >12° lateral slope; use rear-wheel steering assist below 8 km/h
- Engine Longevity: Mandatory SAE J306 oil analysis at 10,000km intervals (target: ISO 18/16/13 cleanliness)
Note: Non-compliance with PDI validation records voids SEA LION’s 3-year structural warranty (Warranty Code: STR-2026).
REPORT AUTHORED BY: SEA LION INTERNATIONAL ENGINEERING VALIDATION TEAM
DATE: 2026-04-15 | DOCUMENT ID: SP-HOWO371-QC-2026-04
Compliance: ISO 9001:2015 | ADR 2026 Annex VII | SAE J2534 Rev. 3
Shipping & Logistics Solutions
Industrial Specification Report 2026
Prepared by: SEA LION International
Subject: Logistics Solutions for Exporting HOWO 371 Dump Trucks from China
Target Audience: Fleet Managers | Construction Companies
Date: January 2026
Executive Summary
This report presents a technical evaluation of three primary maritime transport methods—RO-RO (Roll-on/Roll-off), Bulk Cargo, and Flat Rack container shipping—for the export of HOWO 371 Dump Trucks from manufacturing hubs in China (e.g., Jinan, Qingdao) to global project sites. The analysis focuses on cost-efficiency, transit integrity, handling requirements, and long-term asset protection, with specific emphasis on corrosion mitigation through wax-based anti-seawater treatments.
1. Equipment Profile: HOWO 371 Dump Truck
| Parameter | Specification |
|---|---|
| Gross Vehicle Weight (GVW) | 49,000 kg |
| Dimensions (L×W×H) | 8,500 × 2,500 × 3,600 mm |
| Engine | WD615.69, 371 HP, Euro II/III |
| Drive Configuration | 6×4 |
| Fuel Type | Diesel |
| Unladen Weight | ~18,000 kg |
| Cargo Capacity | 31,000 kg |
Note: Dimensions and weight influence transport modality selection and stowage planning.
2. Comparative Shipping Methods
| Criteria | RO-RO (Roll-on/Roll-off) | Bulk Cargo (Loose Loaded) | Flat Rack Container (20’/40′) |
|---|---|---|---|
| Loading Method | Self-propelled or towed onto vessel | Craned/lifted into hold | Craned onto open-top flat rack |
| Vehicle Preparation | Minimal; fuel reduced, brakes secured | Fully secured with lashing points | Strapped, chocked, and immobilized |
| Stowage Density | High – up to 10–15 units per deck | Medium – dependent on hold layout | Low – 1 unit per 40′ flat rack |
| Port Infrastructure | Requires RO-RO ramp & terminal | Standard bulk terminal | Container terminal with heavy lift |
| Transit Protection | Moderate – exposed decks possible | Low – high moisture, shifting risk | High – elevated, controlled lashings |
| Average Cost (per unit) | $1,800 – $2,400 | $1,500 – $2,000 | $3,000 – $3,800 |
| Transit Time (China–MENA) | 22–28 days | 25–32 days | 24–30 days |
| Risk of Damage | Low (controlled roll-on/off) | High (cargo shift, moisture) | Very Low (secure, elevated) |
| Insurance Premium | Moderate | High | Low to Moderate |
| Best Suited For | High-volume fleet deliveries | Cost-sensitive, non-urgent shipments | High-value or sensitive consignments |
Note: Pricing reflects Q1 2026 spot rates, Shanghai to Dubai as benchmark route.
3. Corrosion Protection: Wax Spraying System
3.1. Operational Requirement
Exposure to salt-laden marine atmospheres during ocean transit poses a significant corrosion risk to undercarriage components, fuel lines, electrical junctions, and chassis frames of the HOWO 371.
3.2. Recommended Protection Protocol
SEA LION International mandates the application of industrial-grade wax-based anti-corrosion spray prior to shipment. This system provides:
- Barrier Protection: Hydrophobic film resists saltwater penetration.
- Crevice Coverage: Penetrates hard-to-reach joints and welded seams.
- Longevity: Effective protection for up to 6 months post-application.
- Non-Toxic & Non-Conductive: Safe for electrical and rubber components.
3.3. Application Process
| Step | Procedure |
|---|---|
| 1 | Pre-clean chassis and undercarriage using high-pressure freshwater rinse. |
| 2 | Degrease oil/grease residues with solvent-based cleaner. |
| 3 | Apply solvent-thinned wax emulsion (e.g., Lanocote-type formulation) via airless spray system. |
| 4 | Focus areas: frame rails, suspension mounts, exhaust hangers, brake lines. |
| 5 | Allow 24-hour curing in controlled environment prior to loading. |
Compliance: Meets ISO 9227 (Salt Spray Testing) Class 3 protection standard.
4. Method Recommendation by Use Case
| Use Case | Recommended Method | Rationale |
|---|---|---|
| Large fleet delivery (10+ units) | RO-RO | High throughput, rapid loading, cost-effective per unit |
| Budget-constrained project, low risk | Bulk Cargo | Lowest upfront cost; acceptable for ruggedized equipment |
| High-value consignment or harsh climate destination | Flat Rack + Wax Spray | Maximum protection, traceability, and reduced insurance claims |
5. SEA LION International Value-Add Services
- Pre-shipment Inspection (PSI): Verified vehicle functionality and documentation.
- Customs Clearance Management: FOB & CIF compliance across 40+ destination ports.
- Wax Spraying Certification: Full audit trail with before/after imaging.
- GPS-Enabled Tracking: Real-time location monitoring during transit.
- Port-to-Site Logistics: Last-mile delivery coordination with local haulers.
6. Conclusion
For efficient, scalable export of HOWO 371 Dump Trucks from China, RO-RO remains the optimal balance of cost and speed for fleet-scale shipments. However, Flat Rack transport with wax-based corrosion protection is advised for long transits or high-humidity destinations to preserve asset integrity. Bulk Cargo, while economical, carries elevated risk and is recommended only with stringent lashing and desiccant controls.
All shipments processed through SEA LION International include mandatory wax spraying and condition reporting to ensure compliance with industrial durability standards.
End of Report
SEA LION International – Engineering Global Logistics Infrastructure
Get a Quote for Howo 371 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]
