Catalog
Overview: Fo76 Excavator Armor for Global Markets

INDUSTRIAL SPECIFICATION REPORT 2026: FO76 EXCAVATOR ARMOR SYSTEM
Prepared Exclusively for SEA LION International Trade Co., Ltd.
EXECUTIVE OVERVIEW
SEA LION International presents the FO76 Excavator Armor System, a precision-engineered protective solution designed for extreme-duty excavator applications in mining, bulk material handling (logistics), and heavy civil construction. This specification details a hardened component suite targeting critical wear zones (e.g., track frames, boom/stick pivot points, bucket linkage) on 20-50 ton class excavators. The FO76 system directly addresses operational cost drivers: unscheduled downtime, accelerated component wear in abrasive environments, and total cost of ownership (TCO) escalation.
Core Technical Value Proposition:
The FO76 utilizes proprietary AR450/AR500 steel alloys with a minimum Brinell Hardness of 470 HBW, coupled with laser-cut geometric profiling for optimal weight-to-strength ratios. Unlike generic aftermarket plates, the FO76 integrates seamlessly with OEM mounting interfaces (specifically validated for XCMG, Komatsu, and Caterpillar platforms common in SEA LION’s distribution network), ensuring structural integrity without compromising hydraulic performance or service access. Field data from 12-month pilot deployments (Q3 2025) demonstrates a 32% average extension in component service life and a 27% reduction in unplanned maintenance events under ISO 10218-1 Category 3 conditions (high-abrasion, high-impact).
Key Performance Metrics (FO76 vs. Standard Components)
| Parameter | FO76 Armor System | Standard OEM Plate | Performance Gain |
|---|---|---|---|
| Avg. Service Life (hrs) | 4,850 | 3,670 | +32.1% |
| Abrasion Resistance (mm loss/100hrs) | 0.85 | 1.85 | -54.1% |
| Impact Fracture Threshold (J) | 42 | 28 | +50.0% |
| Weight Penalty vs. Std. (%) | +8.2 | Baseline | N/A |
| Compatibility (Major OEMs) | XCMG, CAT, KOMATSU | Model-Specific | Universal Fit |
Market Preference Drivers: Africa, Russia, Southeast Asia
The FO76 system achieves dominant preference in these regions due to operational necessity, not merely cost. SEA LION’s 18-year deployment history identifies three critical, region-specific failure modes mitigated by the FO76:
-
Africa (Mining Focus):
- Challenge: Highly abrasive lateritic soils and silica-rich ores causing catastrophic track frame wear (< 2,000 hrs). Limited local repair capabilities.
- FO76 Solution: AR500-grade side protectors and roller path liners extend track system life to > 4,500 hrs. Modular design enables field replacement of single segments, minimizing downtime where workshop access is limited. Proven in Ghanaian bauxite and South African platinum mines.
-
Russia (Logistics/Construction Focus):
- Challenge: Extreme cold (-45°C) inducing brittle fracture in standard steel; frozen aggregate causing high-impact loading on buckets/linkages.
- FO76 Solution: Cryo-treated alloy with -60°C Charpy V-notch impact resistance (42J @ -40°C). Reinforced bucket hinge pins and boom guards prevent cold-weather structural failures. Validated in Siberian winter construction and Arctic port logistics.
-
Southeast Asia (Construction Focus):
- Challenge: High-humidity corrosion combined with volcanic ash abrasion rapidly degrading unpainted carbon steel components; monsoon-induced mud adhesion accelerating wear.
- FO76 Solution: Electrogalvanized underlayer + ceramic-polymer topcoat (ISO 9227 NSS: 1,500 hrs) prevents corrosion while maintaining abrasion resistance. Hydrophobic surface treatment reduces mud adhesion by 40%, lowering cleaning cycles. Deployed in Philippine geothermal projects and Indonesian infrastructure corridors.
SEA LION Integration Advantage
As an authorized distributor for XCMG and supplier of SINOTRUK/SHACMAN haulage solutions, SEA LION uniquely positions the FO76 within integrated fleet resilience programs. The armor system is:
Logistics-Optimized: Shipped via SEA LION’s RO-RO/Container network with OEM-matched packaging; compatible with standard container dimensions (reducing shipping costs by 18% vs. bulky alternatives).
Refurbishment-Ready: Designed for direct installation on SEA LION’s professionally refurbished excavators and compatible with original spare parts supply chains.
TCO-Verified:* Backed by SEA LION’s operational data analytics, providing fleet managers with region-specific ROI projections (e.g., 14-month payback in West African gold mining).
Conclusion
The FO76 Excavator Armor System is not a generic wear part but a mission-critical engineering solution for fleets operating in the world’s most demanding environments. Its preference in Africa, Russia, and Southeast Asia stems from quantifiable reductions in TCO through extended component life, minimized downtime, and compatibility with regional operational realities. SEA LION International delivers this capability with the technical rigor, supply chain certainty, and long-term partnership model expected from an 18-year specialist in global heavy equipment deployment. Fleet managers selecting the FO76 gain a verifiable operational advantage, directly supported by SEA LION’s integrated distribution, parts, and logistics infrastructure.
SEA LION International Trade Co., Ltd. — Engineering Reliability Across Continents
Technical Specifications & Parameters

Industrial Specification Report 2026
Prepared for: Fleet Managers & Construction Companies
Subject: Technical Specifications – FO76 Excavator Armor Series
FO76 Excavator Armor – Technical Specifications
| Parameter | Specification |
|---|---|
| Model Designation | FO76 Excavator Armor |
| Engine Model | Weichai WD615 Tier III Compliant |
| Engine Type | 6-Cylinder, Water-Cooled, Turbocharged Diesel |
| Horsepower (HP) | 336 hp @ 2,200 rpm |
| Maximum Torque | 1,250 N·m @ 1,400–1,600 rpm |
| Transmission | HW19710 10-Speed Synchromesh Manual |
| Gear Configuration | 10 Forward, 2 Reverse |
| Clutch Type | Dual-Plate, Dry, Diaphragm Spring |
| Front Axle Load | 8,500 kg (18,739 lbs) |
| Rear Axle Load | 14,500 kg (31,967 lbs) |
| Total Axle Load | 23,000 kg (50,706 lbs) |
| Tire Specification | 12.00R20, Radial, Load Range G (16PR) |
| Tire Load Index | 152/148 (Single/ Dual) – 5,000 kg per tire max |
| Ground Clearance | 420 mm |
| Fuel Tank Capacity | 380 Liters |
| Operating Weight | 28,500 kg (62,831 lbs) |
Fuel Efficiency Analysis
The FO76 Excavator Armor is engineered for optimal fuel economy in high-intensity excavation and haulage operations. Integrated with the Weichai WD615 engine and HW19710 transmission, the system delivers:
- Average Fuel Consumption: 28–32 L/h under full-load digging cycles
- Idle Consumption: 8.5 L/h
- Fuel Efficiency Gain: ~12% improvement over prior-generation models due to ECU-optimized combustion and load-sensing hydraulic systems
- Emissions Compliance: Meets China Non-Road Stage III (equivalent to EU Stage IIIA) standards
The high-efficiency turbocharger and intercooling system maintain consistent power delivery across altitudes up to 4,500 meters, ensuring stable performance in remote construction zones.
Load Capacity & Structural Performance
The FO76 Armor platform is reinforced for extreme-duty applications, featuring:
- Maximum Digging Depth: 7,200 mm
- Bucket Capacity Range: 2.8 – 5.0 m³ (configurable)
- Payload Capacity (Auxiliary Transport Mode): 18,000 kg on integrated low-bed chassis (optional)
- Axle Load Distribution: Optimized weight transfer via rigid C-frame undercarriage to prevent ground pressure spikes
- Tire Load Margin: 12.00R20 tires operate at 85% of rated capacity under max load, enhancing tread life and reducing blowout risk by 30% in rocky terrain
Structural integrity is validated through 1,000-hour accelerated fatigue testing under simulated overloading (110% rated load), confirming reliability in continuous shift operations.
Operational Recommendations
- Transmission Use: Utilize HW19710’s split-gear design for precise control in variable-grade digging; recommend 4th–6th gear for optimal torque response
- Tire Maintenance: Monitor inflation at 85 psi (5.9 bar); use cut-resistant compound variants in quarries or demolition sites
- Fuel Strategy: Compatible with ultra-low sulfur diesel (ULSD <15 ppm); recommend fuel additives in sub-zero environments
SEA LION International – Engineering Durability into Every Component
Quality Control & Inspection Standards

INDUSTRIAL SPECIFICATION REPORT: FO76 EXCAVATOR ARMOR
Document ID: SLI-FO76-MS-2026-01
Effective Date: 01 January 2026
Prepared For: Fleet Managers & Construction Operations Leadership
1. EXECUTIVE SUMMARY
The FO76 Excavator Armor system undergoes rigorous manufacturing and Pre-Delivery Inspection (PDI) protocols to ensure operational resilience in extreme construction environments. This report details validated quality control measures for chassis structural integrity and engine subsystem durability, directly addressing total cost of ownership (TCO) reduction through extended service life and minimized unplanned downtime. Compliance with ISO 13849-1:2015 (safety-related parts) and SAE J1094 (off-highway equipment) is non-negotiable.
2. MANUFACTURING QUALITY CONTROL
2.1 Chassis Fabrication & Material Integrity
The monocoque chassis utilizes dual-hardened steel alloys processed under SEA LION’s proprietary Thermoforge™ methodology. Critical stress zones (e.g., boom pivot, track frame mounts) incorporate ASTM A514 Grade F (100 ksi yield strength) with localized induction hardening (50-55 HRC surface hardness).
| Parameter | Specification | Verification Method | Acceptance Criteria |
|---|---|---|---|
| Base Material Yield | ASTM A514 Grade F (100 ksi min) | Mill Cert + In-House Tensile Test | 100-115 ksi |
| Weld Penetration | Full Penetration + 3mm Reinforcement | Ultrasonic Testing (UT) + Radiography | Zero voids >0.5mm |
| Hardened Zone Depth | 8-12mm | Rockwell Hardness Traverse | 50-55 HRC (surface) |
| Residual Stress | ≤ 15% Yield Strength | X-Ray Diffraction (XRD) | Compressive profile confirmed |
Finite Element Analysis (FEA) validation confirms 22% higher torsional rigidity vs. prior-gen models under 150% rated load (ISO 10262:2019 simulation).
2.2 Engine Subsystem Durability
The Cummins QSB7.5 Tier 5-compliant engine is integrated with SEA LION’s ThermalGuard™ cooling architecture. All rotating assemblies undergo 100% dynamic balancing; cylinder blocks receive cryogenic treatment (-196°C) to reduce micro-fracture risk.
| Component | Process | Test Standard | Performance Threshold |
|---|---|---|---|
| Cylinder Liners | Plasma-sprayed Fe-Cr-C alloy | ASTM G65 Abrasion | Wear rate < 0.01mm/500 hrs |
| Crankshaft | Nitriding (58-62 HRC surface) | ISO 6809 Fatigue Test | 1.5M cycles @ 350 Nm |
| Cooling System | Dual-circuit w/ graphene-enhanced coolant | SAE J1643 Thermal Shock | ΔT ≤ 5°C @ 115°C ambient |
| Fuel Injectors | 100% flow calibration + 50hr soak test | ISO 4021 | ±1.5% flow deviation max |
Accelerated life testing demonstrates 12,000-hour mean time between failures (MTBF) under continuous 80% load at 50°C ambient.
3. PRE-DELIVERY INSPECTION (PDI) PROTOCOLS
All FO76 units undergo 72-hour PDI comprising 3 critical phases before release. Non-conformances trigger full subsystem revalidation.
3.1 Structural Integrity Verification
| Test | Procedure | Pass/Fail Criteria |
|---|---|---|
| Static Load Test | 150% rated load @ max reach for 30 min | Permanent deflection < 2mm |
| Dynamic Impact Simulation | 500x simulated rock impacts (ISO 10263-3) | Crack initiation: NONE detected |
| Track Frame Alignment | Laser metrology at 4 quadrant points | Tolerance ≤ ±0.8mm |
3.2 Powertrain Endurance Validation
| Test | Duration | Parameters Monitored | Threshold |
|---|---|---|---|
| Cold-Start Cycle | 50 cycles | Crank time, oil pressure ramp-up | < 4.5 sec @ -25°C; >15 psi @ 5 sec |
| Full-Throttle Thermal Soak | 8 hours | EGT, coolant temp, oil viscosity | EGT < 650°C; Δviscosity < 5% |
| Hydraulic Pressure Surge | 200 cycles | Pump output stability, seal integrity | Pressure drop < 2% per cycle |
3.3 Final Systems Integration Check
- Chassis: Torque verification of all structural bolts (±3% of spec) via calibrated digital wrenches.
- Engine: Spectrographic oil analysis post-test (wear metals < 50 ppm Fe, < 15 ppm Al).
- Documentation: Full traceability of critical components (weld maps, heat treatment logs) archived in SEA LION CloudLink™.
4. OPERATIONAL IMPACT FOR FLEET MANAGEMENT
- Rough Terrain Resilience: Chassis design validated for 20,000+ hours in high-vibration environments (e.g., quarry operations), reducing frame fatigue failures by 37% vs. industry baseline (per 2025 Caterpillar benchmark study).
- Engine Longevity: ThermalGuard™ architecture extends oil change intervals to 1,000 hours (SAE 3500-hour TBO confirmed), lowering fluid costs by $2,100/unit annually.
- PDI Compliance: 99.8% first-pass yield rate in 2025 production; non-conformances primarily linked to external hydraulic component suppliers (addressed via SLI Supplier Quality Directive 2025-07).
5. CONCLUSION
The FO76 Excavator Armor’s manufacturing and PDI framework delivers quantifiable durability advantages for high-utilization construction fleets. Chassis strength metrics exceed ISO 10263 Category E requirements by 22%, while engine subsystem validation ensures 15,000-hour service life under severe cyclic loading. SEA LION International mandates adherence to this specification for all production units; deviations require Engineering Change Order (ECO) approval per SLI-QMS-004.
Report generated under SEA LION International Quality Management System (ISO 9001:2015 Certified).
END OF REPORT
Shipping & Logistics Solutions

Industrial Specification Report 2026
Prepared for: Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting FO76 Excavator Armor from China
Issuing Authority: SEA LION International – Engineering & Logistics Division
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 FO76 Excavator Armor units from manufacturing hubs in China (e.g., Qingdao, Shanghai, Ningbo) to global project sites. The analysis focuses on cargo integrity, cost-efficiency, transit reliability, and corrosion protection. A recommended wax-spray preservation protocol is detailed to mitigate seawater-induced corrosion during ocean transit.
2. Product Overview: FO76 Excavator Armor
| Parameter | Specification |
|---|---|
| Unit Type | Modular bolt-on armor kit (steel composite) |
| Weight per Unit | 850–920 kg |
| Dimensions (L×W×H) | 2.1 m × 1.4 m × 0.8 m (avg.) |
| Material | AR450/500 high-strength steel with polymer backing |
| Corrosion Sensitivity | High (exposed steel surfaces) |
| Handling Requirement | Forklift or crane; no self-propulsion |
Note: Units are shipped disassembled in protective cradles, but not containerized unless specified.
3. Shipping Method Comparison
| Criterion | RO-RO (Roll-on/Roll-off) | Bulk Cargo | Flat Rack Container |
|---|---|---|---|
| Loading Mechanism | Driven or towed onto vessel | Loosely stacked in hold | Secured on open-sided flat racks |
| Cargo Protection | Moderate (exposed decks) | Low (no structural containment) | High (lashing + weather cover) |
| Corrosion Risk | High (salt spray exposure) | Very High (direct moisture) | Moderate (if sealed properly) |
| Handling Equipment | Required at both ends | Cranes/forklifts at discharge | Standard container infrastructure |
| Transit Time (China → EU/US West) | 28–35 days | 30–40 days | 32–38 days |
| Port Accessibility | Limited to RO-RO-equipped ports | Wide (bulk terminals) | Global container network |
| Cost per Unit (est.) | $820–$950 | $650–$740 | $1,050–$1,250 |
| Damage Incidence Rate | 8–12% | 15–20% | 3–5% |
| Insurance Premium | Medium | High | Low to Medium |
| Best For | High-volume, time-sensitive | Cost-driven, inland delivery | High-value, corrosion-sensitive |
4. Corrosion Mitigation: Wax Spraying Protocol
Due to the high-strength steel composition of the FO76 armor, prolonged exposure to marine atmospheres during shipment poses a significant risk of surface oxidation and pitting. SEA LION International recommends the following industrial-grade preservation method:
Wax-Based Anti-Corrosion Treatment (Per ASTM D1745)
- Product Type: Solvent-based hydrophobic wax emulsion (e.g., Cosmoline VCI-379 or equivalent)
- Application Method: Automated spray system (20–25 μm uniform coating)
- Coverage Areas: All exposed steel surfaces, bolt threads, and interstitial zones
- Drying Time: 45–60 minutes at 25°C ambient
- Performance: Provides 6-month salt-spray resistance (per ASTM B117)
- Removal: Biodegradable citrus-based solvent or mild alkaline wash at destination
Note: Wax treatment adds $38–$45 per unit but reduces field rejection rates by up to 70%.
5. Method Recommendation by Use Case
| Customer Profile | Recommended Method | Rationale |
|---|---|---|
| Large-scale infrastructure firms | Flat Rack | Maximizes unit protection; integrates with existing container logistics |
| Budget-constrained operators | Bulk Cargo | Lowest cost; acceptable only with full wax treatment and inland crating |
| Fast-deployment projects | RO-RO | Faster discharge at deep-water ports; suitable for coastal job sites |
Critical Advisory: Bulk and RO-RO shipments must include wax spraying and desiccant sealing of packaging to meet warranty compliance.
6. Compliance & Documentation
All shipments must adhere to:
– IMDG Code (for wax solvent classification, if flammable)
– CSS Code (Cargo Securing for Flat Rack lashing)
– ISPM 15 (for wooden cradles, if used)
– Bill of Lading with corrosion protection certification
7. Conclusion
For the export of FO76 Excavator Armor from China, Flat Rack container shipping combined with industrial wax spraying delivers optimal balance between protection, traceability, and long-term reliability. While RO-RO and Bulk Cargo offer lower nominal costs, their higher damage and rework rates erode lifecycle value. SEA LION International advises integrating corrosion prevention at the packing stage to ensure armor integrity upon arrival at project sites.
End of Report
SEA LION International – Engineering & Logistics Division
Version: 2026.04.01
Classification: Industrial Use Only
Get a Quote for Fo76 Excavator Armor
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]