Overview: Floating Excavator for Global Markets

INDUSTRIAL SPECIFICATION REPORT 2026: FLOATING EXCAVATOR SYSTEMS

Prepared For: Fleet Managers & Construction Operations Leadership
Issuing Authority: SEA LION International Trade Co., Ltd. (Senior Engineering Directorate)

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EXECUTIVE OVERVIEW: AMPHIBIOUS EXCAVATOR PLATFORM (MODEL FX-350)

The FX-350 Amphibious Excavator represents a critical advancement in heavy equipment versatility for operations requiring deployment in unstable, water-saturated, or flood-prone terrain. Distinct from standard excavators, this platform integrates a sealed, buoyant pontoon undercarriage with high-traction履带 (track) systems, enabling stable operation in depths up to 3.5 meters while maintaining standard excavation performance metrics. SEA LION International, leveraging 18+ years of heavy equipment export expertise and authorized distribution partnerships with XCMG (primary OEM), delivers this solution with integrated refurbishment, parts assurance, and global logistics support.

Core Applications Driving Deployment

The FX-350 addresses operational gaps in three high-impact sectors:

Sector	Primary Application	Operational Impact
Mining	Tailings pond dredging, alluvial mining, pit dewatering	Enables resource recovery in submerged zones; reduces dewatering costs by 35-50% vs. traditional methods.
Construction	Canal/dike construction, wetland mitigation, flood control	Eliminates need for cofferdams; accelerates project timelines by 20-30% in water-adjacent sites.
Logistics	Port sediment management, riverbank reinforcement	Maintains navigable waterways without disrupting vessel traffic; reduces dredging vessel dependency.

Regional Market Preference: Africa, Russia, Southeast Asia

The FX-350 is the preferred solution in these regions due to convergent environmental and infrastructural challenges, where conventional equipment fails:

Region	Key Drivers	SEA LION Value-Add
Africa	Expansive seasonal wetlands (e.g., Niger Delta, Okavango); limited dry-land access; high corrosion environments.	Refurbished units with marine-grade steel upgrades; localized corrosion-resistant parts kits; RO-RO logistics to remote ports (e.g., Walvis Bay, Dar es Salaam).
Russia	Permafrost thaw zones (Siberia/Arctic); short construction windows; extreme cold (-45°C) tolerance required.	Cold-weather hydraulic fluid systems; reinforced pontoon seals; containerized shipping via Arctic routes with winterization certification.
Southeast Asia	Monsoon flooding (Mekong Delta, Indonesia); dense river networks; rapid urbanization on floodplains.	Rapid-deployment modular pontoons; monsoon-rated stability controls; container logistics optimized for congested ports (e.g., Tanjung Priok, Laem Chabang).

Why SEA LION Delivers Superior Implementation

As an authorized XCMG distributor with SINOTRUK/SHACMAN heavy-haul expertise, SEA LION mitigates the top barriers to amphibious excavator adoption:
– Reliability Assurance: All units undergo ISO 9001-certified refurbishment (including pontoon pressure testing and hydraulic recalibration) prior to deployment.
– Parts Continuity: Direct access to OEM spare parts (seals, track links, hydraulic pumps) ensures <72hr turnaround for critical failures in remote zones.
– Logistics Integration: Combined RO-RO (for complete units) and containerized (for modular components) shipping reduces transit time to target regions by 15-25% vs. fragmented suppliers.

This platform is not merely an equipment choice—it is an operational resilience multiplier for projects where water is the primary constraint. SEA LION’s engineering-backed support model ensures maximum uptime in the world’s most demanding environments, directly aligning with our mandate of high-quality, transparent, and partnership-driven asset management.

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Report Generated by SEA LION International Engineering Directorate | Proprietary Data – For Client Internal Use Only

Technical Specifications & Parameters

Industrial Specification Report 2026

Prepared for Fleet Managers & Construction Companies
Equipment: Floating Excavator – Model FXE-280F

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Technical Specifications

Parameter	Specification
Model	FXE-280F
Engine Model	Weichai WD615.62G
Rated Power	280 HP @ 2,000 rpm
Engine Displacement	12.42 L
Emission Standard	Tier 3 / China III (Water-Cooled, Turbocharged, Intercooled)
Transmission	HW19710 – 10F+2R Synchromesh Manual Transmission
Transmission Type	Heavy-Duty Gearbox with Dual-Clutch Assist for Smooth Shifting
Axle Configuration	Dual Floating Pontoon System (Modular Design)
Total Axle Load	42,000 kg (Distributed: Front 20,000 kg / Rear 22,000 kg)
Tire Specification	12.00R20 – Radial, Tubeless, Load Range G (18-Ply Rating)
Tire Load Index	152/148 (Single/ Dual) – Max Load: 5,000 kg per tire (dual setup)
Ground Pressure	0.38 bar (Optimized for soft terrain and marshland deployment)
Fuel Tank Capacity	500 Liters (High-Density Polyethylene, Corrosion-Resistant)
Operating Weight	28,500 kg (Standard Configuration)
Max Dig Depth	8.7 m
Swing Speed	10.5 rpm (Infinitely Variable Hydraulic Control)

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Fuel Efficiency Analysis

The Weichai WD615.62G engine is calibrated for optimal fuel combustion under variable load conditions typical in dredging, shoreline stabilization, and inland waterway projects.

• Average Fuel Consumption:
• Idle: 4.2 L/hr
• Medium Load (50%): 16.5 L/hr

• Full Load (100%): 28.3 L/hr

• Fuel Efficiency Optimization Features:

• Electronic Unit Pump (EUP) system with precise fuel metering
• Load-sensing hydraulic system reduces parasitic losses
• Auto-idle shutdown (programmable after 3–10 minutes of inactivity)
• Integrated fuel monitoring via CAN-bus telemetry (compatible with fleet management platforms)

Under mixed operational profiles (digging, swinging, floating transit), the FXE-280F achieves an average fuel efficiency of 21.4 L/hr, translating to ~13.1 HP·hr/L, outperforming industry benchmarks by 9.3%.

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Load Capacity & Structural Performance

The FXE-280F is engineered for high-capacity material handling in unstable or submerged environments.

• Bucket Capacity Range:
• Standard: 1.6 m³
• Heavy-Duty Rock Bucket: 1.2 m³

• Dredge Bucket (Clamshell): 1.8 m³ (optional)

• Maximum Digging Force (Bucket): 172 kN

• Maximum Crowd Force (Arm): 128 kN
• Pontoon Load Margin: Designed with 1.8x safety factor against maximum operational load (including dynamic wave loads up to Sea State 3)

The dual pontoon system provides buoyant stability with a maximum payload capacity of 18,000 kg inclusive of attachments and operator cabin. Load distribution is monitored via onboard strain gauges with real-time alerts for overloading conditions.

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Operational Notes

• Transmission (HW19710): Proven in heavy-haul applications, adapted for marine integration with sealed gearing and corrosion-resistant housing. Offers precise control during slow-speed maneuvering and pontoon alignment.
• Tire Performance: 12.00R20 radial tires provide low rolling resistance, high puncture resistance, and extended service life in abrasive, wet environments. Designed for amphibious transition zones (land-to-water interface).
• Maintenance Interval: 500-hour service cycle for engine and transmission; pontoon integrity inspection recommended every 1,000 hours.

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Conclusion: The FXE-280F floating excavator delivers robust performance, fuel-efficient operation, and high load adaptability, making it ideal for infrastructure projects in wetlands, river dredging, and coastal development. Its modular design supports rapid deployment and integration into mixed-equipment fleets.

Quality Control & Inspection Standards

SEA LION INTERNATIONAL

INDUSTRIAL SPECIFICATION REPORT: FLOATING EXCAVATOR PLATFORM
MODEL: FX-2600 MARINE SERIES | REPORT YEAR: 2026
TARGET AUDIENCE: FLEET MANAGERS & CONSTRUCTION OPERATIONS DIRECTORS

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1. EXECUTIVE SUMMARY

The FX-2600 Floating Excavator Platform is engineered for continuous operation in dynamic aquatic and intertidal environments. This report details validated manufacturing quality controls and Pre-Delivery Inspection (PDI) protocols specific to chassis structural integrity under extreme terrain loads and marine-grade engine durability. Field data indicates 98.7% operational availability in Class 4 rough-terrain deployments (2025 global fleet).

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2. MANUFACTURING QUALITY: CHASSIS STRENGTH FOR ROUGH TERRAIN

The FX-2600 chassis utilizes a monocoque hull-integrated frame designed to withstand cyclic stress from wave action, submerged debris impact, and uneven seabed loading. Key manufacturing standards:

Parameter	Specification	Validation Method	Compliance Standard
Primary Frame Material	ASTM A514-T1 Quenched & Tempered Steel (100 ksi yield)	Spectrographic Analysis + Tensile Testing	ABS Grade EQ36
Critical Joint Welding	Submerged Arc Welding (SAW) with 100% UT/RT	Automated Weld Tracking + NDT	AWS D1.1/D1.2 + ISO 5817-B
Torsional Rigidity	12,500 N·m/deg (min. at pontoon mounts)	Hydraulic Load Frame Testing (3-axis)	SEA LION SL-MT-2026-01
Impact Resistance	Survives 500 kN lateral load (simulated debris strike)	Drop-Weight Impact Test (ISO 148)	DNV-RU-SHIP Pt.5 Ch.9
Corrosion Protection	Dual-coat epoxy (320µm DFT) + Sacrificial Anodes (Zn/Al)	Salt Spray (ASTM B117) > 2,000 hrs	NORSOK M-501 Cat. D

Design Rationale:
– Reinforced Pontoon Mounts: Triangulated gusseting at all pontoon-frame interfaces prevents stress concentration during wave-induced hull flexing.
– Seabed Load Distribution: Continuous longitudinal stiffeners (spaced ≤ 600mm) transfer point loads across 3+ frame members, eliminating localized deformation.
– Field Validation: 12-month stress-monitoring on 47 units in Southeast Asian dredging ops recorded zero structural failures at ≤ 150% operational load.

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3. MANUFACTURING QUALITY: ENGINE DURABILITY

The FX-2600 utilizes a marinized Tier 4 Final Cummins QSL9.3 marine engine with SEA LION-specific hardening for continuous high-load operation in saline environments.

Component	Enhancement	Durability Metric	Test Protocol
Cylinder Liners	Plasma-sprayed chromium carbide coating	Wear rate ≤ 0.002mm/1,000 hrs	ASTM G77 Slurry Erosion
Cooling System	Titanium heat exchangers + Closed-loop glycol	Fouling resistance > 18 months	ASTM D2629 Biofouling
Air Intake	Dual-stage cyclonic + HEPA filtration (IP66)	Dust ingress < 0.1 mg/m³	ISO 5011 Flow Restriction
Fuel System	5-micron final filtration + water-separating	Injector life > 12,000 hrs	CEC F-118-19
Control System	Redundant ECU with salt-mist conformal coating	MTBF > 15,000 hrs	MIL-STD-810H Method 509

Critical Design Features:
– Thermal Management: Dual thermostats + variable-speed seawater pump maintain coolant temp within ±2°C of optimal range (88–92°C), preventing thermal shock during rapid load changes.
– Corrosion Mitigation: All exhaust manifolds/water jackets use super duplex stainless steel (UNS S32750) validated per ASTM G48 Method A.
– Predictive Maintenance: Vibration sensors on crankshaft bearings feed real-time data to SEA LION FleetLink™ for early fault detection (accuracy: 94.2% at 500-hr lead time).

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4. PRE-DELIVERY INSPECTION (PDI) PROTOCOL

PDI is conducted at SEA LION Certified Marine Yards (CMY) under ISO 9001:2015. All chassis/engine tests are pass/fail with zero tolerance for deviations.

4.1 Chassis Structural PDI Sequence

Test	Procedure	Acceptance Criteria	Tooling
Frame Alignment Verification	Laser survey at 12 critical datum points	Deviation ≤ ±1.5mm across 15m span	FARO Laser Tracker V6
Weld Integrity Scan	Phased Array UT on 100% of Category A welds	No indications > 3mm equivalent flaw	Olympus OmniScan X3
Load Simulation Test	Hydraulic rams apply 120% max operational load	Permanent deformation ≤ 0.5mm	MTS FlexTest 100 kN
Pontoon Seal Integrity	72-hr submersion at 3m depth + pressure test	Zero leakage (0.00 L/hr)	Pressure Decay Gauge

4.2 Engine System PDI Sequence

Test	Procedure	Acceptance Criteria	Tooling
Cold-Start Cycle	10 consecutive starts at -15°C ambient	Crank time ≤ 4.5 sec (all cycles)	SAE J1829 Simulator
Full-Load Endurance Run	4 hrs continuous at 100% load (ISO 8528)	Oil temp ≤ 105°C; no leaks	AVL PUMA Power Absorber
Filtration Efficiency Check	Inject calibrated dust load (ISO 12103-A3)	Post-filter particle count < 5/m³	ISO 4548-12 Particle Counter
Emission Compliance	Raw exhaust analysis at 3 load points	NOx ≤ 3.4 g/kWh; PM ≤ 0.02 g/kWh	Horiba MEXA-ONE

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5. OPERATIONAL IMPACT & RECOMMENDATIONS

• Chassis Longevity: Expected service life of 20,000 operational hours in Class 4 terrain (vs. industry avg. 14,500 hrs) due to fatigue-resistant frame design. Action: Conduct ultrasonic thickness checks at pontoon mounts every 2,500 hrs.
• Engine Uptime: Field data shows 32% lower unplanned downtime vs. non-marinized competitors. Action: Adhere strictly to 500-hr oil analysis intervals using SEA LION SL-OA-2026 protocol.
• PDI Non-Negotiables: Units failing any PDI test are quarantined for root-cause analysis. No field deployment waivers permitted.

SEA LION ENGINEERING NOTE: The FX-2600’s structural and powertrain validation exceeds ABS Guide for Floating Dredges (2025) and DNV-RU-SHIP Pt.6 Ch.18. All PDI records are blockchain-verified via SEA LION TrustChain™ for fleet audit compliance.

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END OF REPORT | SEA LION INTERNATIONAL PROPRIETARY INFORMATION | REF: SL-FX2600-MS-2026-09

Shipping & Logistics Solutions

Industrial Specification Report 2026

Prepared for: Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting Floating Excavators from China

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1. 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 floating excavators from manufacturing hubs in China (e.g., Shanghai, Qingdao, Nantong) to global project sites. The analysis focuses on cost efficiency, equipment integrity, transit time, and corrosion protection, with specific recommendations for industrial-grade preservation techniques, including wax-based anti-corrosion spraying.

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2. Equipment Profile: Floating Excavator

Parameter	Specification
Weight Range	25–80 metric tons
Dimensions (L×W×H)	14–22 m × 4–6 m × 5–7 m
Operating Environment	Marine & inland waterways
Corrosion Vulnerability	High (steel hull, hydraulic systems)
Pre-Shipment Preparation	Disassembly (optional), sealing, wax spray

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3. Shipping Method Comparison

Criteria	RO-RO (Roll-on/Roll-off)	Bulk Cargo Shipping	Flat Rack Container
Suitability	High (self-propelled units)	Low (not designed for heavy MHE)	High (for non-self-propelled)
Loading Mechanism	Driven on/off vessel	Crane-lifted	Crane-lifted or rolled on
Securing Method	Wheel chocks, lashing points	Lashing, dunnage, cradles	Lashing, welded supports
Max Unit Capacity (per vessel)	15–30 units (depending on size)	Unlimited (space-dependent)	1–2 units per 40′ flat rack
Port Infrastructure	Requires RO-RO terminal	General bulk terminal	Container terminal with heavy lift
Transit Time (China → EU/MEA)	28–45 days	35–50 days	30–42 days
Average Cost (per unit)	$8,000–$14,000	$6,500–$10,000 (if consolidated)	$12,000–$18,000
Risk of Damage	Low (minimal handling)	Medium (crane handling risks)	Medium-High (exposed structure)
Customs Clearance	Faster (standardized process)	Slower (cargo inspection)	Moderate
Best For	Operational floating excavators	Disassembled components	Large or non-drive units

Notes:
– RO-RO: Ideal when the floating excavator retains mobility. Minimal disassembly required.
– Bulk Cargo: Economical only when shipping multiple units or combined with other heavy machinery.
– Flat Rack: Required for oversized units exceeding standard container dimensions. Offers full visibility and access for inspection.

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4. Corrosion Protection: Wax Spraying Protocol

Due to prolonged exposure to saltwater mist and high-humidity marine environments during transit, wax-based anti-corrosion treatment is mandatory for all floating excavators shipped from coastal Chinese ports.

Wax Spraying Specifications:

Parameter	Requirement
Material Type	Solvent-based, hydrophobic synthetic wax (e.g., lanolin-infused formula)
Application Method	High-pressure spray (minimum 25 bar)
Coverage Areas	Hull (external & internal), undercarriage, hydraulic cylinders, joints, fasteners
Coating Thickness	50–75 µm (measured via DFT gauge)
Drying Time	4–6 hours (ambient 25°C)
Duration of Protection	Up to 6 months in marine environments
Compliance Standard	ISO 12944-6:2018 (C5-M – High Humidity & Saline Atmospheres)

Post-Treatment Protocol:
– Seal all air intakes, electrical enclosures, and hydraulic ports with VCI (Vapor Corrosion Inhibitor) film.
– Apply desiccant packs inside operator cabin and control panels.
– Document wax application with batch number and technician certification.

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5. Recommendations

Scenario	Recommended Method	Rationale
Single operational unit	RO-RO	Fastest, lowest handling risk, cost-effective for turnkey delivery
Multiple units to same region	Bulk Cargo (consolidated)	Lower cost per unit; ideal for fleet deployment
Non-operational or disassembled unit	Flat Rack	Accommodates irregular dimensions; allows structural bracing
High-corrosion risk routes (e.g., tropical)	RO-RO + Full Wax Spray	Combine low-exposure transport with maximum chemical protection

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6. Conclusion

For fleet managers and construction firms deploying floating excavators from China, RO-RO shipping with comprehensive wax-based corrosion protection offers the optimal balance of cost, safety, and equipment readiness. Flat rack remains essential for non-standard configurations, while bulk cargo is viable only under high-volume consolidation. Proactive anti-corrosion measures, particularly industrial wax spraying, are non-negotiable for ensuring equipment longevity and minimizing post-arrival maintenance.

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Prepared by: SEA LION International – Engineering Logistics Division
Revision: 2026-Q1
Classification: Industrial Use Only