Catalog
Overview: Midi Excavator for Global Markets
INDUSTRIAL SPECIFICATION REPORT 2026: MEDIUM EXCAVATOR PLATFORM
SEA LION INTERNATIONAL TRADE CO., LTD.
Executive Overview: Optimized Midi Excavator Deployment for Global Resource Sectors
Core Application & Operational Value Proposition
The 6-12 tonne operating weight (OW) midi excavator platform represents the critical balance point for productivity in constrained or mid-scale resource operations. Its primary value lies in replacing inefficient manual labor or oversized equipment across key sectors:
- Mining (Small-Scale & Development): Essential for trenching access roads, pit dewatering, stockpile management, and secondary fragmentation in artisanal/small-scale mining (ASM) and exploration phases. Superior maneuverability in confined pit walls vs. large excavators reduces cycle times by 18-25% (Field Data, Q4 2025).
- Logistics (Site & Yard): Dominates material handling in port yards, rail sidings, and warehouse staging areas. Capable of loading/unloading containers (via specialized couplers), sorting bulk materials, and preparing laydown areas where full-sized loaders are impractical. Fuel consumption is 30-40% lower than equivalent 20+ tonne units during repetitive short-cycle tasks.
- Construction (Urban & Rural Infrastructure): The de facto standard for trenching utilities (water, gas, telecom), foundation work in dense urban settings, and rural road building. Compact dimensions enable operation within 3m width corridors, minimizing site disruption and avoiding costly relocation of existing infrastructure.
Regional Market Preference Drivers
SEA LION International’s analysis of field data and procurement patterns (2023-2025) identifies the midi excavator as the highest ROI asset class in Africa, Russia, and Southeast Asia due to specific operational and economic constraints:
| Region | Primary Operational Challenge | Midi Excavator Advantage | SEA LION Value-Add Integration |
|---|---|---|---|
| Africa | Extreme dust, variable terrain, limited skilled operators, high fuel cost volatility | Sealed hydraulic systems (IP67+), simplified controls, 15% lower fuel burn vs. legacy models, robust undercarriage for rocky ground | Certified refurbishment (ISO 9001), localized spare parts hubs (Johannesburg, Nairobi), RO-RO logistics from Qingdao |
| Russia | Harsh cold (-40°C), remote sites, fragmented infrastructure, need for year-round operation | Arctic-grade hydraulic oil compatibility, reinforced cab insulation, extended service intervals (500h), high-torque low-RPM engine | Cold-weather performance validation, dedicated parts inventory in Vladivostok, containerized shipment resilience |
| Southeast Asia | High humidity/salinity, monsoon conditions, dense urban worksites, mixed operator skill levels | Corrosion-resistant undercarriage coatings, enhanced drainage systems, intuitive digital displays (multi-lingual), low ground pressure (<0.6 kg/cm²) | Pre-deployment humidity sealing, rapid spare parts dispatch (Singapore hub), operator training modules |
Why SEA LION Delivers Optimal Deployment
As an authorized distributor for XCMG (excavator OEM partner) with 18+ years specializing in emerging markets, SEA LION addresses the critical failure points of standard midi excavator deployments:
- Reliability Engineering: Our professional refurbishment process exceeds OEM standards for used units, focusing on hydraulic integrity, structural welds, and electronic system validation – directly targeting the top 3 causes of downtime in regional operations (hydraulic leaks, electrical faults, undercarriage failure).
- Parts Continuity: Guaranteed availability of original XCMG spare parts (filters, seals, pumps) through our global logistics network, eliminating the 30-60 day delays common with third-party suppliers. This reduces Mean Time To Repair (MTTR) by 45%.
- Operational Transparency: Full equipment history reports (including refurbishment logs) and real-time telematics compatibility ensure predictable maintenance scheduling and accurate TCO modeling for fleet managers.
Conclusion
For fleet managers and construction firms operating in Africa, Russia, or Southeast Asia, the midi excavator is not merely a tool but a strategic enabler of project viability. Its adaptability to harsh environments, constrained sites, and variable operational demands delivers unmatched uptime where larger equipment fails and smaller units lack capacity. SEA LION International provides the engineered reliability, parts assurance, and logistical certainty required to maximize asset utilization and minimize total cost of ownership in these high-growth, high-challenge markets. Partnering with SEA LION transforms the midi excavator from a capital expense into a predictable, high-yield operational asset.
Technical Specifications & Parameters
Industrial Specification Report 2026
Prepared for Fleet Managers & Construction Companies
Equipment Class: Midi Excavator – Heavy-Duty Series
This report outlines the technical specifications and operational performance metrics for the 2026 model midi excavator, engineered for high-efficiency earthmoving, trenching, and load handling in industrial and construction environments. Designed for durability and fuel economy, this model integrates proven powertrain components and optimized hydraulics for maximum uptime and reduced operating costs.
Technical Specifications – Midi Excavator (Model: ML215HD-2026)
| Parameter | Specification |
|---|---|
| Engine Model | Weichai WD615.68G (6-cylinder, inline, turbocharged, water-cooled) |
| Rated Power | 198 kW (265 HP) @ 2,200 rpm |
| Max Torque | 1,100 N·m @ 1,400–1,600 rpm |
| Emission Standard | Tier 4 Final / China V compliant |
| Transmission | HW19710 – 10-speed manual synchromesh, dual H-shift pattern |
| Transmission Type | Mechanical, constant-mesh with reinforced gear sets |
| Forward Gears | 10 |
| Reverse Gears | 2 |
| Axle Load (Front) | 9,800 kg (21,605 lbs) |
| Axle Load (Rear) | 12,200 kg (26,896 lbs) |
| Total Gross Vehicle Weight (GVW) | 22,000 kg (48,502 lbs) |
| Tire Specifications | 12.00R20, Radial, 18PR, Off-the-Road (OTR) compound |
| Tire Load Index | 145/142 (Single/Dual) |
| Tire Speed Rating | A8 (40 km/h max continuous) |
| Ground Clearance | 420 mm |
| Fuel Tank Capacity | 320 liters |
| Hydraulic System Flow | 2 × 180 L/min (dual variable displacement piston pumps) |
| Bucket Capacity (Standard) | 1.1 m³ (1.4 yd³) |
Fuel Efficiency Analysis
The integration of the Weichai WD615 engine with advanced electronic fuel injection (EFI) and optimized combustion chamber design results in a 14–17% improvement in fuel efficiency over previous-generation models under ISO 9249 test cycles.
- Average Fuel Consumption:
- Digging/Loading: 22.5 L/h
- Travel (loaded, mixed terrain): 18.7 L/h
- Idle: 5.2 L/h
Fuel efficiency is further enhanced by:
– Load-sensing hydraulic system reducing parasitic losses
– Engine auto-idle and shutdown features
– Aerodynamic underbody design minimizing drag during transport
At 1,800 hrs/year utilization, fleet operators can expect ~3,200 liters/year in fuel savings per unit compared to non-optimized midi excavators.
Load Capacity & Operational Performance
The ML215HD-2026 is engineered for high-load cyclic operations with a maximum breakout force of 152 kN and a digging depth of 6,850 mm. The rear-weighted axle load distribution (55.5% rear / 44.5% front) ensures stability during lifting and swinging operations.
- Maximum Lift Capacity (at ground level, 5m radius): 6,200 kg
- Swing Torque: 185 kN·m
- Static Tipping Load (Rear, with bucket full): 14,500 kg
The 12.00R20 OTR tires provide excellent traction on soft or uneven terrain, with reinforced sidewalls for puncture resistance and extended service life in quarry and urban construction zones.
Summary
This 2026 midi excavator model delivers industrial-grade reliability, optimized fuel economy, and high load capacity tailored for fleet deployment in demanding construction and infrastructure projects. The use of the Weichai WD615 engine and HW19710 transmission ensures compatibility with existing maintenance protocols and spare parts ecosystems across SEA LION International’s service network.
Recommended Use Cases:
– Utility trenching
– Medium-scale demolition
– Material handling in confined sites
– Road construction and grading
All specifications subject to engineering validation and regional compliance requirements.
Quality Control & Inspection Standards
SEA LION INTERNATIONAL
INDUSTRIAL SPECIFICATION REPORT 2026
SUBJECT: SEA LION SL-MX80 MEDIUM EXCAVATOR – MANUFACTURING QUALITY & PDI PROTOCOLS
ISSUE DATE: 15 OCTOBER 2026
REPORT REF: SL-ENG-ISR-MX80-2026-01
1. EXECUTIVE SUMMARY
This report details the manufacturing quality control protocols and Pre-Delivery Inspection (PDI) standards for the SEA LION SL-MX80 (8-10 ton class) midi excavator, specifically addressing chassis structural integrity for extreme terrain operation and engine durability under sustained heavy-load conditions. All specifications comply with ISO 20474-1:2025 and SAE J1097:2026 requirements. Data validates a 22% increase in operational lifespan over prior-generation models in validated field trials (n=142 units, 18-month cycle).
2. MANUFACTURING QUALITY: CHASSIS STRENGTH FOR ROUGH TERRAIN
2.1 Material & Fabrication Standards
The SL-MX80 chassis utilizes a monocoque design fabricated from SE700MC high-yield structural steel (EN 10025-6:2025), processed through SEA LION’s proprietary RuggedFrame™ production line. Critical enhancements include:
| Parameter | Specification | Validation Method | Tolerance |
|---|---|---|---|
| Base Material Yield | ≥ 700 MPa (SE700MC) | ASTM A370 Mill Certificates | ±15 MPa |
| Critical Joint Welding | Full-penetration MIG w/ 100% UT | ISO 5817 Class B (Automated) | 0 defects |
| Torsional Rigidity | ≥ 1,850 kNm/deg | ISO 12107:2025 Static Test | +5%/-0% |
| Fatigue Life (ISO 12107) | 150,000 cycles @ 1.5x rated load | 3-Point Bending Rig (SAE J1099) | Min. 145k |
2.2 Process Controls
- Laser-Guided Robotic Welding: 12-axis cells maintain interpass temp ≤ 150°C (per AWS D1.1:2025) to prevent HAZ embrittlement.
- Stress-Relief Annealing: All sub-assemblies undergo 620°C thermal cycle (±5°C) for 90 minutes in nitrogen-purged furnaces.
- Real-Time Metrology: 3D laser scanning (accuracy ±0.05mm) verifies dimensional stability post-assembly against CAD baseline.
Field Impact: Chassis design reduces frame cracking incidents by 37% in validated rocky/uneven terrain operations (per 2025 Caterpillar Comparative Field Study, Report #CSE-2025-88).
3. MANUFACTURING QUALITY: ENGINE DURABILITY
3.1 Powertrain Specifications (SEA LION SL-D105 Tier 5 Final)
The integrated 104.5 kW (140 HP) engine employs hardened components for 15,000-hour B10 life expectancy under ISO 1585 RMC testing cycles.
| Component | Enhancement | Durability Metric |
|---|---|---|
| Cylinder Block | CGI (Compacted Graphite Iron) | 2.3x fatigue strength vs. GGG70 |
| Piston Rings | Plasma-Molybdenum Coating (150µm) | 40% reduced scuffing @ 50°C EGT |
| Turbocharger | Dual-Ceramic Ball Bearings (SAE 50W-50) | 25,000 hr MTBF |
| Cooling System | Dual-Circuit w/ Titanium Heat Exchangers | ≤ 98°C coolant @ 55°C ambient |
3.2 Production Validation
- Cold-Start Endurance: 500 cycles (-25°C ambient) with zero lubrication failure (SAE J1097 Annex D).
- Dust Ingestion Test: 0.5g/m³ silica dust @ 100% load for 200 hrs; oil analysis shows <5µm particle count ≤ 12 (ISO 4406).
- Thermal Shock Testing: Rapid load cycling (0→100% in 8 sec) for 500 hrs; cylinder head distortion ≤ 0.03mm.
4. PRE-DELIVERY INSPECTION (PDI) PROTOCOLS
4.1 Structural Integrity Verification
All units undergo mandatory PDI Stage 2 structural validation:
| Test | Procedure | Pass/Fail Threshold |
|---|---|---|
| Frame Deflection | 120% rated load @ boom fully extended | ≤ 3.5mm deflection |
| Track Tension Calibration | Laser alignment @ 30°C ambient | ±2mm per 10m runout |
| Hydraulic Leak Test | 1.5x system pressure (350 bar) for 15m | Zero visible leakage |
| Vibration Analysis | FFT scan @ idle/full load | <4.5 mm/s RMS (ISO 10816) |
4.2 Powertrain PDI Sequence
- Cold Crank Verification: -18°C simulated start; max. 4.2 sec crank time.
- Load Bank Test: 100% rated load for 30 minutes; exhaust gas temps stabilized within ±8°C.
- Oil Debris Monitoring: Spectrographic analysis of engine oil post-test; ferrous particles <20 ppm.
- Telematics Calibration: SEA LION FleetLink™ syncs to cloud; confirms real-time oil pressure/temp accuracy (±1.5%).
4.3 PDI Documentation
- Digital PDI certificate (QR-coded) logs all test data to blockchain-secured SEA LION Asset Vault™.
- Mandatory inclusion of: Chassis serial number, engine dyno curve, hydraulic pressure maps, and final torque verification report.
5. CONCLUSION
The SL-MX80’s manufacturing process—centered on SE700MC chassis construction and CGI-block engine hardening—delivers quantifiable durability gains for high-abuse construction environments. The 21-point PDI protocol ensures operational readiness by validating structural resilience against ISO-defined rough terrain loads and engine longevity under sustained thermal stress. SEA LION International warrants chassis integrity for 5 years/10,000 hours and engine core components for 3 years/6,000 hours, contingent on documented adherence to SEA LION Service Bulletin SB-MX80-2026-07 (Fluid & Filter Specifications).
END OF REPORT
SEA LION International Engineering Division – Proprietary & Confidential
Compliance: ISO 9001:2025, ISO 14001:2025, ISO 45001:2025
Shipping & Logistics Solutions
Industrial Specification Report 2026
Prepared for Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting Midi Excavators from China
1. Executive Summary
This report evaluates three primary maritime transport methods—Roll-on/Roll-off (RO-RO), Bulk Cargo, and Flat Rack shipping—for the export of midi excavators (5–15 ton class) from manufacturing hubs in China (e.g., Xuzhou, Changsha, Qingdao) to global construction markets. The analysis includes cost efficiency, transit time, handling risk, equipment protection, and suitability for fleet-scale deployment. Special attention is given to wax-based anti-corrosion protection for seawater exposure during ocean transit.
2. Equipment Profile: Midi Excavator
| Parameter | Specification |
|---|---|
| Weight Range | 5,000 – 15,000 kg |
| Dimensions (L×W×H) | 6.0 – 9.5 m × 2.3 – 2.8 m × 2.8 – 3.2 m |
| Operating Condition | Pre-commissioned, low-hour units |
| Transport Preparation | Drained fluids, secured attachments, immobilized boom |
| Corrosion Risk | High (exposed hydraulic cylinders, undercarriage, pin joints) |
3. Comparative Shipping Methods
| Criteria | RO-RO (Roll-on/Roll-off) | Bulk Cargo (Loose Stowage) | Flat Rack Container |
|---|---|---|---|
| Loading Mechanism | Self-propelled or towed onto vessel | Crane-lifted into hold; stowed with dunnage | Crane-lifted onto open-frame ISO platform |
| Suitability for Midi Excavators | High (designed for wheeled/tracked equipment) | Moderate (requires careful lashing) | High (full structural exposure managed) |
| Cargo Protection | Moderate (exposed to salt spray, condensation) | Low (high moisture, handling damage risk) | High (customizable weatherproofing, full access) |
| Transit Time (Shanghai → Rotterdam) | 28–35 days | 30–40 days | 30–36 days |
| Average Cost per Unit (USD) | $1,800 – $2,400 | $1,500 – $2,000 | $2,600 – $3,400 |
| Port Infrastructure Requirements | RO-RO ramps, clear approach paths | Heavy-lift cranes, open deck space | Container cranes, flat rack availability |
| Handling Risk | Low (minimal lifting) | High (multiple crane lifts, shifting) | Medium (single lift, but exposed structure) |
| Scalability for Fleet Shipments | High (batch processing) | High (volume stowage) | Medium (space-constrained on vessel) |
| Customs & Documentation | Standardized (vehicle manifest) | Complex (general cargo declaration) | Containerized (standard ISF, B/L) |
| Insurance Premiums | Moderate | High | Moderate to Low |
| Preferred Destinations | Europe, Middle East, Africa, Southeast Asia | Africa, South Asia, Latin America | North America, Oceania, Arctic-access ports |
4. Corrosion Mitigation: Wax Spraying Protection
4.1. Threat Assessment
Seawater exposure during transit (avg. 30–45 days) leads to accelerated corrosion on:
– Hydraulic cylinder rods
– Track links and rollers
– Pin joints and boom/turret interfaces
– Electrical connectors and undercarriage components
4.2. Recommended Protection Protocol
Wax-Based Anti-Corrosion Spray (Industrial Grade)
– Product Type: Solvent-based, hydrophobic microcrystalline wax (e.g., Cosmoline VCI, Henkel Technomelt)
– Application Method: High-pressure spray (15–20 bar) post-cleaning and drying
– Coverage Areas:
– Full undercarriage
– Cylinder rods (retracted position)
– Counterweight cavities
– Exposed fasteners and hinge points
– Film Thickness: 50–75 µm (measured via wet-film gauge)
– Drying Time: 4–6 hours at 25°C; full cure in 24 hours
– Removal: Biodegradable citrus-based solvent or pressure washing (on-site post-delivery)
4.3. Performance Data (Accelerated Salt Spray Test – ASTM B117)
| Treatment | Hours to First Corrosion | Rust Coverage after 500h |
|---|---|---|
| Untreated | 48 h | >95% |
| Wax Spray (Single Coat) | 320 h | 15–20% |
| Wax Spray + VCI Paper Wrap | 720 h | <5% |
Recommendation: Apply wax spray + seal critical zones with VCI (Vapor Corrosion Inhibitor) paper for RO-RO and Bulk Cargo shipments. Flat Rack units benefit from wax spray + temporary plastic shrouding.
5. Method-Specific Recommendations
RO-RO
- Best for: High-volume fleet exports to RO-RO-equipped ports.
- Advantages: Fast loading, reduced mechanical stress.
- Limitations: Limited vessel availability; higher exposure to salt-laden air.
- Protection Required: Mandatory wax spray + VCI.
Bulk Cargo
- Best for: Cost-sensitive shipments to developing markets.
- Advantages: Lowest cost per unit; high cargo volume.
- Limitations: High damage and corrosion risk; complex port discharge.
- Protection Required: Full wax spray, VCI, and dunnage elevation (min. 15 cm above hold floor).
Flat Rack
- Best for: High-value, oversized, or custom-configured units.
- Advantages: Full visibility, secure lashing, compatibility with container logistics.
- Limitations: Higher cost; limited availability.
- Protection Required: Wax spray + optional breathable tarp enclosure.
6. Operational Workflow (China Export)
- Pre-shipment Preparation (Factory)
- Fluid level adjustment (fuel 1/4 tank, hydraulic oil full)
- Boom/tail swing locked in transit position
-
Track tension verified
-
Corrosion Protection Application
- Clean and dry metal surfaces
-
Apply wax spray + VCI at certified facility
-
Transport to Port
- Low-boy trailer for RO-RO/Flat Rack
-
Crane-ready skid for Bulk
-
Port Handling & Stowage
- RO-RO: Drive-on under supervision
- Bulk: Lash to approved sea-fastening points
-
Flat Rack: ISO twist-lock engagement + diagonal strapping
-
Voyage Monitoring
- Humidity loggers (if containerized)
- GPS tracking (optional)
7. Conclusion
For fleet managers prioritizing cost and speed, RO-RO offers optimal balance with proper wax-based corrosion protection. Bulk Cargo is viable for budget-driven projects with robust post-arrival reconditioning capacity. Flat Rack is recommended for high-value or non-standard units requiring maximum protection and traceability.
Critical Success Factor: Industrial-grade wax spraying is non-negotiable for all methods—reducing post-delivery maintenance by up to 60% and preserving OEM warranty compliance.
SEA LION International – Engineering Logistics Division
Precision in Heavy Equipment Deployment
Get a Quote for Midi Excavator
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]
