Overview: Shelor Used Trucks for Global Markets

INDUSTRIAL SPECIFICATION REPORT 2026: EXECUTIVE OVERVIEW

Subject: SINOTRUK HOWO Series Refurbished Heavy-Duty Trucks (Designated “Shelor” Platform)
Prepared For: Fleet Managers & Construction Operations Leadership
Issuing Authority: SEA LION International Trade Co., Ltd. – Engineering & Technical Division

1. Operational Imperative & Market Context

The global demand for cost-optimized, operationally resilient heavy truck platforms in capital-intensive sectors (mining, bulk logistics, large-scale construction) continues to intensify. Rising CAPEX constraints, coupled with the imperative for rapid fleet deployment in remote or infrastructure-limited regions, necessitate solutions balancing upfront cost, durability, and serviceability. SEA LION International’s rigorously refurbished SINOTRUK HOWO series (“Shelor” platform) directly addresses this operational gap, delivering OEM-grade performance at a significantly reduced Total Cost of Ownership (TCO) compared to new equivalents. This platform is not merely a cost-saving measure; it represents a strategic asset for maintaining project continuity and fleet utilization in challenging environments.

2. Core Application Performance

The “Shelor” platform (primarily encompassing HOWO 6×4 & 8×4 variants, 336-430 HP) demonstrates proven superiority in the following critical sectors due to its inherent design robustness and SEA LION’s refurbishment protocol:

• Mining (Open Pit & Haulage): Engineered for high-cycle, high-payload operations on unimproved surfaces. Key attributes include reinforced frames, heavy-duty axles (typically HC16/HC19), multi-stage air filtration (critical for dust mitigation), and simplified electrical systems enhancing field maintainability. Refurbishment includes mandatory driveline rebuilds (transmission, differentials) and structural integrity verification per ISO 3834-2 standards.
• Bulk Logistics (Long-Haul & Regional): Optimized for fuel efficiency under sustained load (verified through SEA LION’s post-refurbishment dyno testing) and driver ergonomics during extended shifts. The platform’s standardized parts commonality across major Asian and African markets drastically reduces downtime for roadside repairs. SEA LION’s global spare parts network ensures <72-hour critical component availability in Tier-1 operational zones.
• Heavy Civil Construction (Earthmoving & Material Transport): Excels in high-vibration, stop-start cycles inherent to site operations. Features include enhanced suspension damping, high-torque low-RPM engine tuning for crawler-like traction, and corrosion-resistant undercarriage treatments applied during SEA LION’s refurbishment process. Compatibility with standard construction trailers (lowboys, dump bodies) ensures seamless integration.

3. Regional Preference Drivers: Africa, Russia, Southeast Asia

The “Shelor” platform’s dominance in these specific markets is not incidental but stems from a precise alignment with regional operational and economic realities, amplified by SEA LION’s 18+ years of localized market engineering:

Region	Primary Operational Challenges	“Shelor” Platform Advantages	SEA LION Value-Add
Africa	Extreme dust, poor road infrastructure, limited service networks, high fuel costs, need for local technician maintainability	Simplified mechanical systems (vs. complex Euro VI), robust air filtration, high ground clearance, proven component durability in high-heat, ease of field repair	On-ground technical support hubs (Johannesburg, Nairobi), localized training for mechanics, parts depots with critical spares pre-positioned
Russia	Extreme cold (-40°C+), vast distances, seasonal road limitations (Zimnik), sanctions impacting Western OEM parts	Cold-start certified engines (glow plug systems, block heaters), reinforced chassis for snow/ice, compatibility with Russian winterization kits, mechanical simplicity for cold-weather operation	Cold-climate validation testing (Yakutsk facility), supply chain resilience for critical parts bypassing sanction complexities
Southeast Asia	High humidity, monsoon conditions, dense traffic, mixed road quality, cost sensitivity	Enhanced corrosion protection (post-refurbishment), reliable mid-range torque for stop-start traffic, proven reliability with lower-octane fuels, competitive operating cost	Monsoon-specific undercarriage sealing protocols, partnerships with regional financing institutions for fleet acquisition

4. SEA LION’s Technical Differentiation: Beyond Standard Refurbishment

SEA LION’s “Shelor” units are distinguished by an industrial-grade refurbishment process exceeding typical market standards, directly supporting fleet managers’ core KPIs (Uptime, TCO, Safety):

• Component Rebuild Standard: 100% engine & transmission disassembly to core; all wear items (pistons, bearings, seals, gaskets) replaced with OEM SINOTRUK/SHACMAN parts. Critical structural welds inspected via MPI.
• Data-Driven Validation: Post-refurbishment, each unit undergoes 200+ point inspection and 8-hour load-tested operational validation. Fuel consumption, emissions (within platform spec), and drivability metrics are certified.
• Transparency & Partnership: Comprehensive digital refurbishment dossier provided (including component serial numbers, test data). SEA LION guarantees 12-month/20,000 km mechanical warranty on core systems, underpinned by direct OEM technical support channels.
• Logistics Integration: Seamless RO-RO or containerized shipping globally, with pre-shipment operational verification at origin port. Customs clearance support integrated into logistics package.

5. Conclusion

For fleet managers and construction enterprises operating in the demanding environments of Africa, Russia, and Southeast Asia, the SEA LION-refurbished SINOTRUK HOWO (“Shelor”) platform delivers a quantifiable operational advantage. It provides the ruggedness required for mining, the reliability demanded by logistics, and the site adaptability essential for construction – all while significantly reducing the TCO barrier to fleet expansion or renewal. SEA LION International’s 18+ years of focused engineering expertise in heavy truck export, coupled with our uncompromising refurbishment standards and global support infrastructure, ensures these assets function not as “used trucks,” but as certified, high-availability operational platforms. This approach fosters genuine long-term partnership, directly contributing to our clients’ project profitability and operational resilience in 2026 and beyond.

Technical Specifications & Parameters

Industrial Specification Report 2026

Prepared for Fleet Managers & Construction Companies
Subject: Technical Specifications for Shelor Used Trucks

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Overview

This report provides a comprehensive technical evaluation of Shelor used trucks currently available in the secondary commercial vehicle market. Designed for high-duty-cycle operations in construction, aggregate transport, and regional haul applications, Shelor trucks are typically equipped with robust Chinese-sourced powertrains and drivelines. The data below reflects typical configurations observed in the 2018–2022 model range, commonly reconditioned and deployed in heavy-load environments.

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Technical Specifications Summary

Parameter	Specification
Truck Model Series	Shelor 6×4 Heavy-Duty Dump / Cargo Truck
Engine Model	Weichai WD615.69 / WD615.77
Engine Type	Inline 6-Cylinder, Water-Cooled, Turbocharged Diesel
Displacement	9.726 L
Horsepower	336 hp @ 2,200 rpm (WD615.69) 371 hp @ 2,200 rpm (WD615.77)
Peak Torque	1,300 Nm @ 1,200–1,600 rpm
Emission Standard	China III / Upgraded to China IV (post-rebuild)
Transmission	Fast Gear HW19710
Transmission Type	Manual, 10-Speed (5F+1R Synchro, 2-Range)
Gear Ratios	1st: 12.85, 2nd: 8.51, 3rd: 5.99, 4th: 4.46, 5th: 3.36, 6th: 2.56, 7th: 1.90, 8th: 1.39, 9th: 1.00, 10th: 0.73, Reverse: 12.85
Rear Axle Type	Dual Reduction, Single Drive (ST12)
Axle Ratio	5.73:1 (Standard), 5.26:1 (Optional)
Axle Load Capacity	Front Axle: 7,000 kg Tandem Rear Axles: 18,000 kg (each) Gross Axle Weight Rating (GAWR): 43,000 kg
Frame Configuration	Double-layer Reinforced Ladder Frame (300 mm High)
Tire Specification	12.00R20 20PR Radial (Load Range G)
Tire Load Index	1,800 kg per tire (front), 2,100 kg per tire (drive/dual)
Braking System	Dual-Circuit Air Brake with ABS (retrofitted)
Fuel Tank Capacity	300 L (Standard Steel Tank)

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Fuel Efficiency Analysis

Fuel economy in Shelor trucks is highly dependent on operating conditions, load profile, and driver behavior. Under typical construction site and on/off-road mixed cycles:

• Average Fuel Consumption:
• Loaded (30–40 ton GVW): 38–44 L/100 km
• Partially Loaded (20–25 ton GVW): 30–35 L/100 km

• Empty Return: 24–28 L/100 km

• Fuel Efficiency Factors:

• The Weichai WD615 engine is optimized for torque delivery at low-to-mid RPM, improving lugging performance in off-road conditions.
• HW19710 transmission enables precise gear selection, minimizing lugging and over-revving.
• Retrofit engine control unit (ECU) tuning in upgraded units can improve fuel efficiency by 6–8% compared to stock China III models.
• Use of high-efficiency synthetic engine oil and regular DPF/air filter maintenance is recommended to sustain optimal consumption.

Note: Fuel efficiency remains below Tier 4 Final/Euro VI benchmarks but offers cost-effective operation in price-sensitive markets.

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Load Capacity & Structural Performance

Load Parameter	Specification
Rated GVWR	49,000 kg (108,000 lbs)
Payload Capacity	30,000 – 38,000 kg (depending on body type)
Dump Body Volume	18–22 m³ (standard rock dump configuration)
Frame Yield Strength	≥ 800 MPa (high-tensile steel, double-rail)
Suspension System	Multi-leaf Parabolic Spring (Front & Rear)
Approach/Departure Angle	28° / 32° (loaded), 35° / 40° (empty)

• The trucks are engineered for high-cycle dump operations with reinforced pivot points and hydraulic cylinder mounts.
• Axle load distribution is optimized for 60:40 front-to-rear under full load, minimizing front axle stress.
• 12.00R20 tires provide excellent tread life and puncture resistance on rough terrain, with dual-mounting on rear axles ensuring redundancy and load dispersion.

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Operational Recommendations

• Maintenance Interval:
• Oil & Filter: 8,000 km
• Air Filter: 12,000 km (harsh environments: 6,000 km)
• Transmission Service (HW19710): 50,000 km

• Axle Oil: 30,000 km

• Fleet Deployment Suitability:

• Ideal for short-haul construction logistics (< 150 km per cycle)
• Best-in-class durability in quarry, road base, and earthmoving applications
• Lower TCO (Total Cost of Ownership) vs. Western OEMs in developing infrastructure zones

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Conclusion

Shelor used trucks equipped with Weichai WD615 engines and HW19710 transmissions offer a proven, rugged platform for high-load, off-road transport. With a GVWR up to 49 tonnes and payload capacity exceeding 35 tonnes, these vehicles deliver strong value in cost-constrained construction operations. While fuel efficiency lags behind modern standards, their reliability, parts availability, and repair simplicity make them a strategic asset in emerging market fleets.

Ongoing engine reconditioning and transmission refurbishment programs ensure operational continuity well beyond 800,000 km with proper maintenance. Fleet managers should consider these units for secondary-line operations where uptime and payload efficiency outweigh emission or comfort requirements.

Quality Control & Inspection Standards

SEA LION INTERNATIONAL

INDUSTRIAL SPECIFICATION REPORT: REV. 2026-04
REFURBISHMENT STANDARD FOR SHELL-CONDITION USED TRUCKS (SCUT)
Document ID: SL-ENG-SCUT-RF-2026

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1. EXECUTIVE SUMMARY

SEA LION International’s SCUT Refurbishment Protocol (Rev. 2026) delivers certified pre-owned trucks meeting 92% of OEM performance specifications at 65% of new-unit cost. Targeted at high-utilization fleet operations in construction, mining, and aggregate hauling, this process eliminates operational uncertainty through 100% component traceability and ISO 9001:2015-aligned inspection gates. All units undergo 178 validation checkpoints, with failure rates held below 0.8% post-delivery (2025 fleet data).

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2. REFURBISHMENT PROCESS: TECHNICAL WORKFLOW

All processes comply with SEA LION QMS Standard QM-SCUT-2026 and exceed ANSI/AGMA 6001-D97 (gear systems) and SAE J1349 (engine testing).

2.1 ENGINE & GEARBOX TESTING

Objective: Validate powertrain integrity under simulated operational loads.

Test Phase	Procedure	Acceptance Criteria	Compliance Verification
Dynamometer Test	8-hour continuous load cycle (0-100% torque, 1,200-2,200 RPM)	Max. oil temp ≤ 115°C; < 0.5% fuel dilution	ISO 1585-certified dyno log + spectrographic oil analysis
Gearbox Endurance	500-cycle shift sequence (loaded/unloaded) on 12° incline simulator	< 0.15mm backlash deviation; no pitting (AGMA 2000-A88)	Laser alignment scan + endoscope inspection
Leak Integrity	72-hour pressure hold (250 psi) on coolant/lube systems	Zero leakage (per ASTM D4359)	Dye penetrant + thermal imaging

Units failing >1 criterion undergo full teardown. 87% of tested engines/gearboxes meet “Rebuild-Ready” status (2025 data).

2.2 CABIN REPAINTING

Objective: Restore corrosion resistance and structural integrity per ISO 12944 C4 environmental class.

Process Stage	Technical Specification	Quality Control Metric
Surface Prep	Grit blasting to SA 2.5 (ISO 8501-1); zinc phosphate conversion coating	Surface profile: 45-75μm; adhesion ≥ 5.0 MPa (ASTM D4541)
Primer Application	Epoxy zinc-rich primer (80μm DFT); oven-cured at 180°C for 20 min	Zinc content: 92% (ASTM B633); porosity < 0.5%
Topcoat	Polyurethane finish (120μm DFT); UV-resistant (QUV-B 1,000 hrs)	Gloss retention ≥ 85% after 500 hrs; impact resistance 50 kg·cm
Final Inspection	Automated optical scan for film thickness uniformity	±5μm tolerance across all surfaces

Note: All weld zones receive additional corrosion-inhibiting sealant (MIL-PRF-22750 compliant).

2.3 NEW TIRES & BATTERY REPLACEMENT

Objective: Ensure traction reliability and electrical system stability under peak demand.

Component	Specification	Validation Test
Tires	Michelin X Works 5 (295/80R22.5); Load Range G; 16-ply rating	100% new; inflation pressure hold test (72 hrs at 120 psi)
Battery System	2x OPTIMA YellowTop AGM (Group 31); 1,000 CCA; dual-battery isolator	Cold-cranking simulation (-20°C); voltage drop < 0.3V
Wheel Alignment	Laser-guided 4-wheel alignment; toe-in 0.05° ± 0.02°	Runout < 1.5mm (SAE J642)

All tires mounted on bead-blasted, magnaflux-inspected rims. Batteries undergo 3-cycle load testing.

2.4 CHASSIS REINFORCEMENT

Objective: Restore structural rigidity to 105% of OEM design limits for severe-duty cycles.

Reinforcement Zone	Method	Performance Standard
Frame Rails	Laser-cut ASTM A572 Gr50 steel plates (10mm thickness); MIG-welded (ER70S-6)	Yield strength ≥ 345 MPa; FEA-validated stress distribution
Suspension Mounts	Reinforced with gusset plates; shot-peened to 0.005mm Ra	Fatigue life ≥ 500,000 cycles (SAE J1211)
Crossmembers	Replaced if deflection > 3mm/m (measured via laser level)	Torsional stiffness restored to ±2% of new spec

All welds inspected via phased-array ultrasonics (ASME Section V). Reinforcement adds 1.2% gross weight but extends frame life by 47% (per SEA LION durability trials).

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3. SEA LION INSPECTION STANDARDS: CRITICAL DIFFERENTIATORS

Non-negotiable protocols applied at 4 critical gates (Pre-Refurb, Mid-Process, Final Assembly, Pre-Delivery):

• Gate 3 (Final Assembly): 100% of electrical circuits tested under simulated 150% load; voltage drop must not exceed 3% (SAE J1292).
• Gate 4 (Pre-Delivery): 100-mile road test with real-time telemetry monitoring (vibration, thermal, pressure). Max. anomaly threshold: 0.
• Documentation: Full digital twin created via SEA LION AssetSync™ platform, including torque records, coating thickness maps, and test logs.

Units failing any gate are quarantined for root-cause analysis. 2025 rejection rate: 4.2% (vs. industry avg. 18.7%).

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4. OUTPUT & WARRANTY

• Certification: SEA LION SCUT Certificate of Conformance (ISO 17025-accredited lab data)
• Warranty: 12 months / 20,000 miles on all refurbished components (excludes consumables)
• Performance Guarantee: < 2% unplanned downtime in first 6 months or 15% credit applied to next purchase

Report Validated By: SEA LION Global Engineering Council
Next Revision Cycle: Q1 2027 (Per QMS Clause 7.5.3)

Shipping & Logistics Solutions

Industrial Specification Report 2026

Prepared by: SEA LION International
Subject: Logistics Solutions for Exporting Shelor Used Trucks from China
Target Audience: Fleet Managers & Construction Companies

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Executive Summary

This report evaluates three primary maritime transport methods—RO-RO, Bulk Cargo, and Flat Rack—for the international export of Shelor used trucks from Chinese ports to global destinations. The analysis focuses on operational efficiency, cost-effectiveness, equipment integrity, and corrosion protection, with specific recommendations for construction and fleet operators managing large-scale vehicle deployments.

All Shelor used trucks exported via sea routes are treated with industrial-grade wax spraying to mitigate seawater-induced corrosion during transit.

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1. Overview of Shelor Used Trucks

Shelor used trucks are medium- to heavy-duty commercial vehicles sourced from decommissioned fleets in China. These units are refurbished to meet international operational standards and are ideal for construction logistics, mining, and regional transport applications. Key models include:

Model	GVWR (kg)	Engine Type	Typical Use Case
Shelor ST-200	18,000	Diesel, 6-cylinder	On-site material haulage
Shelor ST-350	32,000	Turbo Diesel	Long-haul regional transport
Shelor MT-40	40,000	Euro III Compliant	Heavy construction logistics

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2. Export Logistics Modal Comparison

The following table compares the three primary shipping methods based on key industrial performance metrics.

Parameter	RO-RO (Roll-on/Roll-off)	Bulk Cargo (Loose Stowed)	Flat Rack Container
Loading Method	Driven on/off vessel via ramps	Craned or rolled into hold	Secured on open-frame container, lifted onboard
Cargo Protection	Moderate – exposed to salt spray	Low – high exposure to moisture and shifting	High – full undercarriage access, controlled lashings
Corrosion Risk	High (unless treated)	Very High	Moderate (with wax protection)
Wax Spraying Efficacy	Critical – undercarriage highly exposed	Essential – full vehicle at risk	Highly effective – controlled application
Transit Time	Short (direct port access)	Moderate	Moderate to Long (subject to container availability)
Port Infrastructure Required	RO-RO terminal with ramps	General cargo berth	Container crane & yard
Cost (USD/unit)	$1,100 – $1,600	$900 – $1,300	$1,800 – $2,500
Suitability for Shelor Trucks	High (for drivable units)	Low (risk of damage)	High (for non-operational or oversized units)
Insurance Premiums	Moderate	High	Moderate
Handling Damage Risk	Low	High	Low

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3. Corrosion Protection: Wax Spraying Specification

To ensure long-term durability of Shelor used trucks during sea transit, industrial wax spraying is applied pre-shipment at SEA LION-certified depots in Shanghai and Qingdao.

Protection Protocol:

• Wax Type: Solvent-based, salt-exclusion polymer (ASTM D130 compliant)
• Application Method: High-pressure spray (250–300 bar)
• Coverage Areas: Undercarriage, chassis rails, suspension components, wheel hubs, and exhaust systems
• Thickness: 50–75 µm dry film
• Duration of Protection: Up to 12 months in marine environments

Note: Wax treatment is mandatory for all export units, regardless of shipping method. RO-RO and Bulk Cargo shipments derive the greatest benefit due to higher exposure.

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4. Recommended Shipping Method by Use Case

Customer Profile	Recommended Method	Rationale
Fleet Managers (Multiple Drivable Units)	RO-RO	Fast turnaround, lower cost, efficient loading; wax protection mitigates corrosion
Construction Firms (Mixed Operational Status)	Flat Rack	Accommodates non-functional units; superior lashing and inspection access
Budget-Conscious Buyers (Intact Units)	Bulk Cargo (with caution)	Lower cost, but high risk of corrosion and damage; only advised with full wax treatment and insurance

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5. Operational Recommendations

1. Pre-shipment Inspection: All Shelor trucks undergo SEA LION Pre-Export Certification (SPEC-2026), including fluid checks, battery isolation, and wax adhesion testing.
2. Port of Loading: Primary export hubs — Shanghai (RO-RO), Qingdao (Flat Rack), and Guangzhou (Bulk).
3. Destination Ports: Recommend discharge at terminals with heavy equipment handling (e.g., Jebel Ali, Rotterdam, Houston).
4. Documentation: Bill of Lading, Certificate of Origin, Pre-shipment Inspection (PSI) report, and Wax Application Certificate included.

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6. Conclusion

For optimal balance of cost, safety, and asset preservation in exporting Shelor used trucks from China:

• RO-RO is recommended for drivable, operational units destined for immediate deployment.
• Flat Rack is preferred for non-operational or modified trucks requiring structural security.
• Bulk Cargo is cost-effective but high-risk; only advised with full protective measures and comprehensive insurance.

Industrial wax spraying is a non-negotiable component of all export operations to ensure resistance to marine corrosion and compliance with durability standards.

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End of Report
SEA LION International — Engineering Global Logistics Since 2003