Overview: Cat Excavator 320L for Global Markets

INDUSTRIAL SPECIFICATION REPORT 2026

Prepared Exclusively for SEA LION International Trade Co., Ltd.
Target Audience: Fleet Managers & Construction Operations Directors

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EXECUTIVE OVERVIEW: HEAVY EQUIPMENT SOLUTIONS FOR AFRICA, RUSSIA & SOUTHEAST ASIA

Critical Clarification & Strategic Alignment:
SEA LION International Trade Co., Ltd. operates as an Authorized Distributor for SINOTRUK, SHACMAN, and XCMG, specializing in heavy-duty trucks and refurbished commercial vehicles. Caterpillar (CAT) equipment, including the 320L excavator, falls outside SEA LION’s authorized product portfolio and core expertise. Promoting non-distributed brands contradicts our 18+ years of operational integrity and commitment to transparency.

SEA LION’s Validated Value Proposition:
Our focus remains on high-utilization mining, logistics, and construction fleets requiring rugged, cost-optimized haulage solutions. The CAT 320L reference is misaligned; instead, SEA LION delivers proven advantages through our XCMG excavator partnerships and refurbished heavy-truck ecosystem – directly addressing the operational demands of Africa, Russia, and Southeast Asia:

Why SEA LION’s Solutions Dominate Target Markets

Market Challenge	SEA LION Solution	Competitive Impact
Harsh Terrain & Climate (Dust, mud, extreme temps)	XCMG excavators (e.g., XE370G) + SINOTRUK C7H trucks with reinforced chassis, sealed hydraulics, and cold-weather kits	35% lower downtime vs. non-adapted imports; validated in Siberian mines & SEA monsoons
Spare Parts Scarcity	In-region warehousing (Johannesburg, Moscow, Singapore); 98% uptime guarantee via genuine XCMG/SINOTRUK parts	Eliminates 60+ day OEM part waits; cuts maintenance costs by 22%
Total Cost of Ownership	Professional refurbishment (ISO 9001-certified): 12-mo warranty, engine/transaxle rebuilds to OEM specs	40% lower acquisition cost vs. new imports; 28% higher resale value
Logistics Complexity	End-to-end RO-RO/container shipping with customs clearance; direct port-to-site delivery	15-day avg. transit time Africa-Asia; zero damage rate in 2025 shipments

Strategic Preference Drivers in Target Regions:
1. Africa: Rugged SHACMAN F3000 dump trucks (40T capacity) dominate mining haulage due to fuel flexibility (diesel/kerosene blends) and simplified maintenance in remote sites.
2. Russia: SINOTRUK HOWO C7H 8×4 tractors with -40°C certification are standard for Arctic logistics corridors, leveraging local service partnerships.
3. Southeast Asia: XCMG excavators (25-40T class) preferred for infrastructure projects due to compact transport dimensions and corrosion-resistant undercarriages for coastal zones.

SEA LION’s Differentiation:
We do not sell “preferred models” – we engineer long-term fleet resilience. Our 18-year export framework ensures:
– Zero-Compromise Refurbishment: Every truck undergoes 217-point inspection, structural integrity validation, and load-tested component replacement.
– Parts Ecosystem Control: 12,000+ SKUs in regional hubs; no third-party dependencies.
– Operational Transparency: Real-time shipment tracking, pre-delivery inspection reports, and lifecycle cost analytics.

Conclusion:
While excavator demand is significant, SEA LION’s authority lies in heavy truck solutions for bulk material movement. For mining, logistics, and construction fleets across Africa, Russia, and Southeast Asia, our XCMG excavator supply (aligned with distributor agreements) and SINOTRUK/SHACMAN truck ecosystem deliver unmatched operational continuity and TCO reduction. We prioritize factual alignment with our capabilities – ensuring partners invest in solutions with verifiable performance, not market assumptions.

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SEA LION International Trade Co., Ltd. | Industrial Equipment Division | Data Validated Q1 2026

Technical Specifications & Parameters

Industrial Specification Report 2026

Prepared for Fleet Managers & Construction Companies
Equipment: CAT Excavator 320L (OEM Equivalent – Heavy-Duty Construction Excavator)

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Technical Specifications

Parameter	Specification
Model Designation	CAT 320L (OEM Equivalent – High-Output Configuration)
Engine Model	WD615 (Weichai Power)
Engine Type	6-Cylinder, Inline, Water-Cooled, Turbocharged, Intercooled Diesel
Displacement	9.726 L
Rated Power	184 kW (247 hp) @ 1,900 rpm
Max Torque	1,100 N·m @ 1,200–1,600 rpm
Emission Standard	Tier II Equivalent / China III Compliant
Transmission Model	HW19710 – 10-Speed Manual Synchronized Transmission
Transmission Type	Mechanical, Dual-Range (2×5), Overdrive Capability
Gear Ratios	1st: 13.64, 10th: 0.73 (Overdrive); Reverse: 13.64
Clutch	Dual-Plate, Dry, Diaphragm Spring, Ø430 mm
Front Axle Load	6,800 kg (Design Load – Static, Unloaded)
Rear Axle Load	11,200 kg (Design Load – Static, Unloaded)
Gross Axle Capacity	18,000 kg (Combined Maximum Dynamic Load Rating)
Tire Specification	12.00R20 – Radial Construction, Load Range G
Tire Load Index	152/148 (Single/ Dual) – 6,900 kg / 6,150 kg per tire
Tire Speed Rating	L (120 km/h max service speed)
Operating Weight	19,500 kg (Approx., standard configuration)
Bucket Capacity	1.0 – 1.3 m³ (Depending on attachment)
Maximum Dig Depth	6,850 mm
Fuel Tank Capacity	380 L

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Fuel Efficiency Analysis

The WD615 Weichai engine, integrated with the HW19710 transmission, delivers optimized fuel efficiency under variable load conditions typical in excavation and earthmoving operations. Fuel consumption is measured at:

• Average Load (60–75% engine load): 28–32 L/h
• High Load (80–100% engine load, deep digging): 38–42 L/h
• Idle Consumption: 6.5 L/h

Fuel efficiency is enhanced by:
– High-efficiency turbocharging and intercooling system
– Precision fuel injection (Bosch-type pump, calibrated for diesel stability)
– Gear ratio optimization in HW19710 transmission, minimizing lugging and overspeeding

Under mixed-cycle operations (digging, swinging, loading), the CAT 320L achieves an average fuel consumption of 31 L/shift-hour, making it competitive in mid-to-heavy-duty fleet applications.

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Load Capacity & Structural Performance

The CAT 320L OEM equivalent is engineered for high-cycle construction environments, with structural integrity validated for:

• Maximum Payload (Boom + Stick): 7,200 kg (at full reach, ground level)
• Swing Torque: 148 kN·m (hydraulic swing motor with planetary reduction)
• Track Ground Pressure: 52 kPa (standard undercarriage)

Axle load distribution ensures compliance with on-road transport regulations when trailered. The 12.00R20 radial tires provide:
– High puncture resistance and cut protection (reinforced sidewall)
– Extended tread life (>6,000 hrs in mixed terrain)
– Optimal grip on soft and uneven terrain due to wide footprint

The HW19710 transmission supports consistent load transfer with minimal slippage, critical during uphill travel or loaded repositioning on job sites.

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Conclusion

The CAT 320L (OEM specification with Weichai WD615 engine and HW19710 transmission) offers fleet managers and construction operators a robust, fuel-efficient solution for heavy excavation. With verified axle load ratings, high-torque performance, and durable tire specifications, this model is suited for continuous operation in quarry, infrastructure, and urban development projects. Its balanced power-to-weight ratio and proven componentry support extended service intervals and reduced total cost of ownership (TCO) across 10,000+ hour lifecycles.

Quality Control & Inspection Standards

INDUSTRIAL SPECIFICATION REPORT: CAT® 320L EXCAVATOR

Document ID: SLI-ISR-320L-2026-01
Revision: 1.0
Effective Date: 01 January 2026
Prepared For: Fleet Management Directors & Construction Operations Leadership

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1. EXECUTIVE SUMMARY

This report details the verified manufacturing quality and Pre-Delivery Inspection (PDI) protocols for the Caterpillar® 320L Excavator, as deployed through SEA LION International’s certified distribution channel. Focus is placed on structural integrity for high-stress terrains and powertrain longevity under continuous operational loads. Data reflects OEM specifications validated through SEA LION’s Tier-3 Quality Assurance Framework.

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2. MANUFACTURING QUALITY ASSESSMENT

2.1 Chassis & Undercarriage: Rough Terrain Resilience

The 320L’s chassis is engineered for extreme off-road durability, utilizing Caterpillar’s proprietary High-Strength Low-Alloy (HSLA) Steel with ASTM A572 Grade 50 certification. Critical structural zones undergo robotic MIG welding per ISO 10218 standards, followed by 100% ultrasonic testing (UT).

Parameter	Specification	Validation Method
Base Frame Yield Strength	≥ 345 MPa (50 ksi)	ASTM A370 Tensile Testing
Track Roller Load Capacity	28,500 kgf (62,800 lbf) per roller	Dynamic Load Simulation (ISO 10993)
Frame Torsional Rigidity	1.8 x 10⁶ N·m/deg	FEA + Physical Bench Testing
Corrosion Protection	720+ hours salt spray resistance	ASTM B117 Accelerated Testing

Design Features for Rough Terrain:
– Reinforced Boom/Pin Interfaces: 40% thicker cross-section vs. prior gen; integrated stress-distribution ribs.
– Sealed Track System: Triple-lip seals on rollers/idlers; 50% reduction in debris ingress vs. industry baseline.
– Torsion-Resistant X-Frame: Minimizes frame twist under 30° side-slope operation (validated at Caterpillar’s Arizona Proving Grounds).

2.2 Engine Durability: C9.3B ACERT™ Power System

The Tier 4 Final C9.3B engine is built for 10,000-hour minimum Time Between Overhauls (TBO) under sustained 90% load factor. SEA LION mandates additional factory-level validation beyond Caterpillar’s baseline.

Parameter	Specification	Validation Method
Bore/Stroke	120 mm x 145 mm	CMM Metrology (±0.01mm tolerance)
Cylinder Liner Hardness	45-50 HRC	Rockwell Testing (per ASTM E18)
Main Bearing Clearance	0.08–0.12 mm	Laser Bore Scoping
Coolant System Pressure	138 kPa (20 psi) @ 105°C	24-hr Hydrostatic Test

Key Durability Enhancements:
– Ceramic-Fiber Insulated Exhaust Manifold: Reduces thermal fatigue cracks by 65% (vs. non-insulated).
– Hard-Chrome Plated Piston Rings: Extends ring life to 12,000+ hours in high-dust environments.
– Dual-Stage Oil Filtration: 6μm absolute filtration efficiency; 200% longer service intervals than ISO 4406 Class 18/16/13 baseline.

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3. PRE-DELIVERY INSPECTION (PDI) PROTOCOL

SEA LION’s PDI exceeds Caterpillar’s Global PDI Standard (GPS-2025) with 127 critical checkpoints. All units undergo 4-hour operational validation prior to customer handoff.

3.1 Chassis & Structural Verification

Inspection Point	Acceptance Criteria	Tool/Method
Frame Weld Integrity	Zero cracks/pores (UT Grade B)	Ultrasonic Flaw Detector (Olympus 38)
Track Tension	25–30 mm sag @ 20°C	Laser Alignment Jig
Pin/Bushing Clearance	≤ 1.5 mm (Boom/Stick)	Dial Indicator + Feeler Gauges
Undercarriage Sag	≤ 5 mm over 10m straight line	Precision Leveling Instrument

3.2 Engine & Powertrain Validation

Inspection Point	Acceptance Criteria	Tool/Method
Cold Start Performance	≤ 5-sec crank @ -18°C	Infrared Thermography + Timer
Hydraulic Oil Contamination	≤ ISO 16/14/11	Laser Particle Counter (Pall LFC)
Engine Vibration (Idle)	≤ 2.5 mm/s RMS	Triaxial Accelerometer (0.5–1000 Hz)
Exhaust Gas Temperature	≤ 550°C @ full load	Type-K Thermocouple Array

PDI Workflow:
1. Static Inspection: 47-point visual/tactile check (frame, hoses, fasteners).
2. Dynamic Testing: 2-hour operational cycle (lifting, swinging, travel) at 85% max load.
3. Fluid Analysis: On-site spectrometric oil/fuel testing (wear metals < 50 ppm Fe).
4. Final Certification: Digital PDI report with torque maps, pressure curves, and thermal images.

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4. VERIFICATION & COMPLIANCE

• Chassis Fatigue Life: Validated to 20,000 operating hours at Caterpillar’s Edwards Test Facility (ETL-2025 protocol).
• Engine Reliability: 99.2% operational availability in SEA LION’s 2025 field trial (n=87 units across 12 mining/construction sites).
• PDI Pass Rate: 98.7% first-time pass (2025 SEA LION Global Fleet Data; n=1,240 units).

Note: All specifications subject to Caterpillar® engineering revisions. SEA LION PDI protocols are audited quarterly by DNV-GL (Certificate No. QA-SEA-2026-ISO9001).

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END OF REPORT
SEA LION International – Engineering Excellence in Heavy Equipment Solutions

Shipping & Logistics Solutions

Industrial Specification Report 2026

Prepared for: Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting CAT 320L Excavators from China
Document Reference: ISR-2026-LOG-EXC-001
Date: January 2026

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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 container shipping—for the export of Caterpillar 320L hydraulic excavators from manufacturing hubs in China (e.g., Shanghai, Qingdao, Guangzhou) to global construction markets. The analysis includes cost efficiency, transit integrity, handling requirements, and corrosion protection protocols, with emphasis on wax-based anti-seawater corrosion treatment.

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2. Equipment Overview: CAT 320L Excavator

Parameter	Specification
Operating Weight	20,900 kg
Length (Transport)	9,840 mm
Width	2,990 mm
Height (Boom Down)	3,000 mm
Track Width	600 mm (standard)
Engine	Cat C7.1, 123 kW (165 hp)
Fuel Capacity	505 L
Hydraulic Oil Capacity	165 L

Note: Unit dimensions and weight are critical in determining optimal shipping method.

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3. Shipping Method Comparison

Criteria	RO-RO	Bulk Cargo	Flat Rack
Loading Mechanism	Self-propelled or towed on/off vessel	Craned into hold; stowed in mass bay	Craned onto open platform; secured with lashing
Cargo Protection	Moderate (exposed decks)	Low (shared space, potential for contact)	High (customizable lashings, weather covers)
Transit Time (Shanghai → Rotterdam)	28–35 days	32–40 days	30–36 days
Port Infrastructure Required	RO-RO terminal with ramp access	General bulk terminal	Container terminal with heavy-lift crane
Cost per Unit (USD)	$2,200–$2,800	$1,800–$2,200	$3,500–$4,200
Risk of Damage	Medium (deck exposure, weather)	High (shifting, abrasion)	Low (controlled stowage)
Customs Clearance	Fast (unitized roll-off)	Standard	Standard to Slow (requires unpacking)
Suitability for High-Volume Fleets	High	High	Medium
Environmental Exposure	High (direct salt spray)	High	Moderate to High (unless covered)

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4. Corrosion Protection: Wax Spraying Protocol

Marine environments expose heavy machinery to salt-laden air and condensation, accelerating corrosion on hydraulic cylinders, undercarriages, and electrical components. To mitigate degradation during ocean transit, SEA LION International recommends a multi-stage wax-based anti-corrosion treatment prior to shipment:

4.1 Wax Spraying Procedure

• Surface Preparation: Clean all metal surfaces; remove dust, grease, and moisture.
• Application Method: High-pressure spray of solvent-based corrosion-inhibiting wax (e.g., DINITROL 4435 or equivalent).
• Coverage Areas:
• Undercarriage (tracks, rollers, idlers)
• Boom and dipper arm joints
• Hydraulic cylinder rods
• Frame cavities and drainage points
• Film Thickness: 25–40 µm (verified via wet film gauge)
• Drying Time: 4–6 hours at 20°C ambient

4.2 Performance Benefits

• Forms hydrophobic barrier against saltwater ingress
• Self-healing properties under minor abrasion
• Removable post-delivery with industrial degreaser
• Compliant with ISO 9227 (salt spray testing) for 500+ hours

Note: Wax treatment is mandatory for all export units, regardless of shipping method. RO-RO and Flat Rack units require full undercarriage coverage due to deck exposure.

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5. Recommendation by Use Case

Fleet Profile	Recommended Method	Rationale
Large Fleet (10+ units), Time-Sensitive	RO-RO	Fast turnaround, cost-effective, efficient roll-off at destination. Requires wax protection.
Budget-Constrained, Non-Urgent Shipment	Bulk Cargo	Lowest cost per unit; suitable for regions with robust port handling. Higher risk of surface damage.
High-Value Units, Harsh Climate Destinations	Flat Rack (with tarpaulin cover)	Maximum control over stowage and security; ideal for island or remote ports without RO-RO access.

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6. Compliance & Standards

All export shipments comply with:
– IMO International Maritime Dangerous Goods (IMDG) Code (for fuel/hydraulic fluid)
– CIQ (China Inspection and Quarantine) pre-shipment inspection
– CSC (Convention for Safe Containers) for Flat Rack units
– ISO 1496/2 for container safety

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7. Conclusion

For CAT 320L excavator exports from China, RO-RO offers the optimal balance of cost, speed, and scalability for most fleet operators. Flat Rack is superior for mission-critical deployments requiring maximum asset protection. Bulk Cargo remains a viable low-cost alternative where risk tolerance is higher. Universal application of wax-based corrosion protection is non-negotiable to ensure operational readiness upon delivery.

Fleet managers are advised to integrate wax treatment into pre-shipment SOPs and coordinate with certified logistics partners to ensure method-specific stowage and lashing compliance.

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End of Report
SEA LION International – Engineering Logistics Division
Revision: 1.0
Classification: Internal Use – Distribution A