Overview: Wheel Excavator for Global Markets

INDUSTRIAL SPECIFICATION REPORT 2026: WHEEL EXCAVATOR EXECUTIVE OVERVIEW

Prepared for Fleet Managers & Construction Operations Leadership
SEA LION International Trade Co., Ltd. | Heavy Equipment Solutions Division

1. Executive Overview: Wheel Excavator Operational Value

The wheeled excavator (WE) represents a critical productivity enabler for time-sensitive earthmoving, material handling, and infrastructure development across mining, logistics hubs, and urban construction sites. Unlike tracked counterparts, its integrated wheel undercarriage delivers superior site-to-site mobility, eliminating transport trailers for frequent relocations—a decisive factor in projects with dispersed work zones or tight timelines. Engineered for rapid deployment (≤15-minute relocation vs. 45+ minutes for tracked units), the WE reduces project timeline overhead by 15-20% in high-mobility scenarios. Its operational profile excels in:
– Mining: Open-pit overburden removal, stockpile management, and direct truck loading (reducing secondary equipment needs).
– Logistics: Bulk cargo handling (coal, aggregates), rail yard operations, and port terminal material transfer.
– Construction: Urban trenching, roadworks, and site preparation where paved surfaces and rapid repositioning are mandatory.

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

Market-specific operational demands and infrastructure constraints drive strong WE adoption in target regions. Key advantages are quantified below:

Parameter	Wheel Excavator Advantage	Regional Impact (Africa/Russia/SEA)
Mobility & Transport	30-40% faster relocation; no trailer required	Africa/SEA: Critical for dispersed mine sites & congested urban zones. Russia: Enables movement across frozen ground without track damage.
Operational Cost	25-35% lower maintenance (simpler undercarriage); 15% fuel savings on haul roads	All Regions: Directly addresses high fuel costs & limited service infrastructure.
Terrain Adaptability	Optimized for hard/semi-prepared surfaces (paved, gravel, frozen)	Russia: Superior stability on permafrost. Africa/SEA: Handles laterite soils & temporary haul roads effectively.
Deployment Speed	Immediate operation post-transport; minimal setup	All Regions: Maximizes billable hours in short-term contracts & emergency projects.

Africa: Dominates in medium-scale mining (gold, iron ore) and road construction due to vast project footprints, poor road connectivity between sites, and acute need for equipment maximizing uptime between service intervals.
Russia: Preferred for Arctic mining and infrastructure projects where wheeled mobility prevents undercarriage damage on seasonal ice roads and frozen terrain, while cold-start reliability (-40°C) meets operational mandates.
Southeast Asia: Essential for high-density urban construction (Singapore, Jakarta, Manila) where narrow streets, frequent relocations, and strict noise/dust regulations favor compact, maneuverable wheeled units over tracked alternatives.

3. SEA LION International Value Integration

Leveraging 18+ years in heavy equipment export and authorized partnerships (SINOTRUK, SHACMAN, XCMG), SEA LION addresses core regional challenges through:
– Refurbished Equipment Integrity: Professionally refurbished WE units undergo 200+ point inspections, extending operational lifespan by 3-5 years while maintaining 95%+ OEM performance metrics.
– Spare Parts Ecosystem: Guaranteed access to genuine XCMG/SINOTRUK components (hydraulics, undercarriage) via global logistics network (RO-RO/Container), reducing downtime by 40% in remote locations.
– Total Cost of Ownership (TCO) Optimization: Combined refurbishment quality, parts availability, and regional operational data enable 22-28% lower TCO versus new imports or non-authorized suppliers.

This model’s alignment with regional operational realities—coupled with SEA LION’s commitment to equipment transparency and long-term support infrastructure—solidifies its position as the strategic choice for productivity-driven fleets across emerging markets.

Technical Specifications & Parameters

Industrial Specification Report 2026

Prepared for Fleet Managers & Construction Companies
Equipment Type: Wheel Excavator (Heavy-Duty Configuration)

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Technical Specifications

Parameter	Specification
Model Designation	SEA LION WE-320WD
Engine Model	Weichai WD615.68G3
Rated Horsepower	220 HP @ 2,200 rpm
Engine Displacement	9.726 L
Emission Standard	China Non-Road Stage IV (equivalent to EU Stage IV)
Transmission	HW19710 10-Speed Synchromesh Manual with Dual-Range Transfer Case
Transmission Type	Mechanical, Constant Mesh with Pneumatic Shift Assist
Axle Configuration	6×4 (Front Steering, Twin-Drive Rear Axles)
Front Axle Load	9,500 kg (20,944 lbs)
Rear Axle Load	16,500 kg (36,376 lbs) – Dual Taper-Roller Bearings, Drop-Suspended Design
Tire Specifications	12.00R20, 16PR, Radial, Off-Highway Tread (L-5 Pattern), Tube-Type
Tire Load Index	132/128 (Single/ Dual) — Max Load: 2,240 kg per tire (single), 2,000 kg (dual)
Operating Weight	32,000 kg (70,548 lbs)
Bucket Capacity	1.8 – 2.4 m³ (Configurable: General, Rock, Heavy-Duty)
Maximum Dig Depth	6,850 mm (22.5 ft)
Swing Speed	10.5 rpm (Independent Hydraulic Circuit)
Fuel Tank Capacity	380 L (100.4 US gal)

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Fuel Efficiency Analysis

The Weichai WD615 engine is calibrated for optimal combustion efficiency under variable load conditions typical in quarry, roadwork, and heavy excavation environments. Under ISO 9249 standard test cycles:

• Average Fuel Consumption:
• Idle Mode: 4.2 L/h
• Medium Load (60% duty cycle): 18.6 L/h
• High Load (Continuous Digging & Swinging): 26.3 L/h

The integrated ECO-Mode Governor reduces engine speed during non-critical operations (e.g., travel, light swing), resulting in up to 12% fuel savings compared to standard operational profiles. Regenerative swing hydraulics further improve efficiency by recovering kinetic energy during deceleration.

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Load Capacity & Structural Performance

The SEA LION WE-320WD is engineered for maximum material handling and transport stability:

• Payload Distribution:
• Front Axle: 29.7% of total operating weight
• Rear Axles: 70.3% (optimized for traction and dump stability)
• Maximum Tip-Over Load (Rear): 18,200 kg at full extension (measured at bucket pivot pin)
• Drawbar Pull: 245 kN (55,080 lbf) at 1st gear, full traction
• Gradeability: 32% (17.5° incline) on compacted gravel

The HW19710 transmission provides robust torque transfer (max input torque: 1,970 N·m) with minimal slippage, ensuring consistent power delivery under high-inertia loads. Reinforced axle housings with 35 mm thick high-tensile steel resist torsional stress during off-camber operations.

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Operational Notes

• Tire Performance: The 12.00R20 L-5 radial tires offer superior cut and impact resistance, with an average service life of 3,200–4,000 hours in mixed rocky/gravel terrain.
• Maintenance Interval: 500-hour oil and filter service; 2,000-hour transmission fluid change (API GL-5, 80W-90).
• Cold Start Capability: Integrated engine block heater supports operation down to -25°C (-13°F).

This configuration delivers optimal balance between mobility, durability, and productivity for high-intensity construction and mining fleets.

Quality Control & Inspection Standards

SEA LION INTERNATIONAL

INDUSTRIAL SPECIFICATION REPORT: WHEEL EXCAVATOR SERIES WX-26
EFFECTIVE DATE: 01 JANUARY 2026
REPORT ID: WX-26-MS-PDI-2026-001

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1. EXECUTIVE SUMMARY

This report details the manufacturing quality control protocols and Pre-Delivery Inspection (PDI) standards for the SEA LION WX-26 Wheel Excavator. Specifications are validated per ISO 20474-1:2023 and SAE J1099. Focus is placed on structural integrity for rough-terrain operation and powertrain endurance under continuous heavy-load conditions. Data reflects production units manufactured Q1 2026 onward.

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2. CHASSIS MANUFACTURING QUALITY & ROUGH-TERRAIN STRENGTH

2.1. Material & Fabrication Standards

Component	Material Specification	Yield Strength (MPa)	Key Process Control
Main Chassis Frame	ASTM A572 Gr.50 HSLA Steel	≥ 345	Laser-cut plates; robotic MIG welding (ISO 5817-B)
Articulation Joint	Forged 4140 Alloy Steel	≥ 690	Induction hardening (50-55 HRC); 100% UT inspection
Axle Mounts	ASTM A36 Structural Steel	≥ 250	Post-weld heat treatment (PWHT); 3D metrology alignment

2.2. Structural Validation Testing

Test Parameter	Standard	WX-26 Performance	Validation Method
Static Torsional Rigidity	ISO 10263-5:2018	18.7 kN·m/deg	Full-frame load cell testing (150% rated load)
Dynamic Impact Resistance	SAE J1099	Zero frame cracks @ 500 cycles	75mm obstacle course @ 15 km/h
Fatigue Life (Rough Terrain)	SEA LION ST-771	12,000 operating hours	Accelerated field testing (3:1 severity ratio)

Critical Design Features:
– Triple-Box Section Frame: 6mm–12mm variable plate thickness with internal gusseting at high-stress nodes (e.g., swing bearing interface).
– Sealed Articulation Joints: IP69K-rated seals; 10,000-cycle durability under 50-ton radial load.
– Rear Axle Suspension: Parabolic leaf springs with 300mm travel; isolates chassis from >90% of terrain-induced shock.

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3. ENGINE DURABILITY & MANUFACTURING QUALITY

3.1. Powertrain Specifications (Cummins QSL9 Tier 4 Final)

Parameter	Specification	Quality Control Protocol
Block/Crankshaft	CGI Cast Iron (GJV-450)	100% magnetic particle inspection (ASTM E709)
Cylinder Heads	Aluminum-Silicon Alloy	Pressure test @ 1.5x operating pressure (30 min)
Aftertreatment System	DOC+DPF+SCR	Leak-tested @ 200 kPa; calibration verified per EPA 1065

3.2. Endurance Validation

Test Cycle	Duration	WX-26 Results	Failure Criteria
Continuous High-Load	1,000 hrs	0.08% oil consumption increase	>0.5% consumption = failure
Thermal Shock (Cold Start)	50 cycles	No piston scuffing @ -30°C ambient	Cylinder scoring = failure
Dust Ingestion (ISO 12103-1)	200 hrs	<0.05% filter efficiency loss	>2% efficiency loss = failure

Critical Durability Systems:
– Cooling System: Dual-circuit design; radiator core tested to 500kPa burst pressure (ISO 14360).
– Lubrication: Full-flow filtration (2μm absolute); oil analysis port standard for on-condition monitoring.
– Vibration Damping: Engine mounts isolate >95% of harmonic frequencies (SAE J1570 compliance).

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4. PRE-DELIVERY INSPECTION (PDI) PROTOCOL

4.1. Mandatory Structural & Powertrain Checks

Inspection Phase	Procedure	Acceptance Criteria
Chassis Integrity	Ultrasonic weld inspection (critical nodes)	No discontinuities >1.5mm in length
	Frame alignment via laser tracker	Deviation ≤ ±1.0mm across 6m baseline
Engine Systems	Full-load dyno test (ISO 1585)	Power deviation ≤ ±2% of rated output
	Exhaust gas temperature mapping	Delta-T ≤ 15°C across all cylinders
Hydraulic Seals	24-hr pressure hold test @ max working pressure	Zero leakage at articulation/swing joints

4.2. Rough-Terrain Functional Verification

• Procedure: 30-minute operational cycle on calibrated obstacle course (250mm vertical obstacles, 25° side slope).
• Checks:
• Real-time strain gauge monitoring at 8 critical frame points (max stress ≤ 75% yield strength).
• Hydraulic fluid temperature stability (ΔT ≤ 10°C over 10 cycles).
• Articulation joint play measurement (<0.5mm radial movement).

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5. WARRANTY & COMPLIANCE

• Structural Warranty: 5 years / 10,000 hours (whichever occurs first) against manufacturing defects in chassis/frame.
• Powertrain Warranty: 3 years / 6,000 hours (covers engine, transmission, axles).
• Certification: CE Marked (2006/42/EC), ISO 12100:2010 compliant. Full test reports available via SEA LION Technical Portal (Login required).

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END OF REPORT
SEA LION International – Engineering Division
Data accurate as of 01 JAN 2026. Specifications subject to change without notice per ISO 9001:2015 revision control.

Shipping & Logistics Solutions

Industrial Specification Report 2026

Prepared for: Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting Wheel Excavators from China
Document Reference: ISR-2026-WE-LOG-001
Issuing Authority: SEA LION International – Heavy Equipment Logistics Division

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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 wheel excavators from manufacturing hubs in China (e.g., Xuzhou, Shandong) to global construction markets. The analysis includes cost, equipment integrity, transit time, handling requirements, and corrosion protection protocols, with specific emphasis on wax-based anti-corrosion treatments during ocean transit.

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1. Equipment Overview: Wheel Excavator

Parameter	Specification
Average Weight	18–35 metric tons
Dimensions (L×W×H)	9.5–12.2 m × 3.0–3.3 m × 3.2–3.8 m
Configuration	Articulated steering, rubber tires, onboard hydraulics
Export Condition	Operational (RO-RO), disassembled (Flat Rack), or secured on deck (Bulk)

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2. Shipping Method Comparison

Criteria	RO-RO	Bulk Cargo	Flat Rack
Loading Mechanism	Self-propelled or towed onto vessel	Lifted by crane onto hold/deck	Secured on open-top platform, lifted by crane
Vessel Type	Dedicated RO-RO carriers	Multipurpose or bulk carriers	Container vessels with flat rack slots
Typical Transit Time (China → Middle East/Europe)	28–35 days	30–40 days	32–38 days
Port Infrastructure Requirements	RO-RO ramps, clear approach paths	Heavy-lift cranes, open storage	Container gantry cranes, flat rack availability
Handling Risk	Low (minimal lifting)	High (multiple crane lifts)	Medium (single lift, but exposed load)
Cargo Protection	Moderate (exposed to salt spray)	Low (exposed on deck or in hold)	High (customizable lashing, wax protection feasible)
Average Cost per Unit (USD)	$4,200–$5,800	$3,500–$4,800	$6,000–$7,500
Insurance Premium (Relative)	Low	High	Medium
Suitability for High-Value Units	Moderate	Low	High
Customs Clearance Efficiency	High (standardized process)	Variable	High (containerized)

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3. Corrosion Protection: Wax Spraying Protocol

Seawater exposure during ocean transit poses a significant risk to hydraulic systems, undercarriages, and electrical components of wheel excavators. SEA LION International mandates industrial-grade wax spraying as a preventive measure across all shipping methods.

Wax Spraying Specifications:

Parameter	Requirement
Wax Type	Solvent-based, hydrophobic synthetic polymer (e.g., DINITROL 4010 HD)
Application Method	High-pressure spray (12–15 bar), full undercarriage coverage
Coating Thickness	30–50 µm (measured via wet film gauge)
Coverage Areas	Frame welds, hydraulic cylinders, track links, radiator fins, electrical junctions
Curing Time	24 hours at 20°C ambient before loading
Removal	Biodegradable citrus-based solvent; post-delivery cleaning recommended

Note: Wax film remains effective for up to 90 days under tropical marine conditions. RO-RO and Flat Rack units require full underbody treatment due to direct salt spray exposure.

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4. Method-Specific Risk Assessment

Risk Factor	RO-RO	Bulk Cargo	Flat Rack
Saltwater Corrosion	High (continuous deck exposure)	Very High (no enclosure)	Medium (partial shielding possible)
Impact Damage	Low	Medium (during lift/stowage)	Low (if properly secured)
Weather Exposure	High	Very High	High
Theft/Vandalism	Low	High (open deck)	Medium
Documentation Speed	Fast	Slow	Fast

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5. Recommendations

Priority	Recommended Method	Rationale
Cost-Sensitive, High Volume	Bulk Cargo	Lowest freight cost; suitable for rugged models with minimal electronics
Optimal Balance (Cost + Protection)	RO-RO	Efficient handling, moderate cost, lower mechanical stress
High-Value or Sensitive Units	Flat Rack	Maximum control over lashing, full wax protection, container tracking

Best Practice: All units, regardless of method, must undergo pre-shipment wax spraying and humidity-controlled storage prior to loading.

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6. Compliance & Standards

• IMO Code for RO-RO Safety (2020 Edition)
• IMDG Code (for ancillary fluid transport)
• ISO 1496/2 – Flat Rack Container Specifications
• ASTM B117 – Salt Spray Testing Protocol (for coating validation)

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7. Conclusion

For wheel excavator exports from China, RO-RO shipping offers the best balance of efficiency and cost for operational units, while Flat Rack is superior for high-value or customized models requiring maximum protection. Bulk Cargo remains viable only for low-cost, high-tolerance equipment destined to ports with heavy-lift infrastructure.

Mandatory wax-based corrosion protection is non-negotiable across all methods to ensure equipment integrity upon delivery. SEA LION International enforces a zero-tolerance policy on untreated undercarriages for ocean transit.

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End of Report
SEA LION International – Engineering Excellence in Heavy Equipment Logistics