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Overview: 3 Ton Excavator For Sale for Global Markets

INDUSTRIAL SPECIFICATION REPORT 2026: EXECUTIVE OVERVIEW
Product: SEA LION Certified 3-Ton Excavator (XCMG HG305 Series Platform)
Target Audience: Fleet Managers | Construction & Mining Operations | Logistics Infrastructure Developers
OPERATIONAL CHALLENGE & MARKET NEED
Fleet managers across emerging economies face acute pressure to balance productivity with operational resilience. In Africa, Russia, and Southeast Asia, projects contend with:
– Harsh Environments: Extreme dust (Sahel), sub-zero temperatures (-35°C in Siberia), monsoon saturation (Mekong Delta).
– Infrastructure Constraints: Limited access roads, remote sites, and inconsistent fuel quality.
– Cost Sensitivity: High capital expenditure risks demand equipment with >90% uptime and 15,000+ hour service life.
Generic compact excavators fail under these conditions, leading to 30–40% downtime from hydraulic failures, undercarriage wear, and cold-start issues.
ENGINEERED SOLUTION: SEA LION HG305-3T PLATFORM
SEA LION International delivers a rigorously refurbished 3-ton excavator platform, rebuilt to OEM XCMG specifications with industrial-grade enhancements. This model dominates target markets due to proven adaptability to regional operational extremes, validated across 1,200+ units deployed since 2022.
KEY PERFORMANCE ADVANTAGES
| Feature | Technical Specification | Regional Impact |
|---|---|---|
| Powertrain | Tier 3 Cummins QSB3.9 (74 kW), -40°C cold-start | Eliminates Russia/Siberia winter downtime; 12% fuel savings vs. legacy models |
| Hydraulic System | Load-sensing + high-flow auxiliary circuits | Enables rapid attachment swaps (mining buckets/log grapples); 20% faster cycle times in SE Asia urban logistics |
| Undercarriage | Triple-sealed rollers, 800mm wide tracks | 50% longer life in African laterite soils; 35° slope stability for mining trenching |
| Operator Environment | Pressurized cabin, ISO 7099 vibration dampening | Meets EU ergonomics standards; reduces fatigue in 12-hr shifts (critical for African mining) |
| Serviceability | Centralized lubrication, 500-hr filter intervals | Field-maintainable with basic tools; 70% lower service costs in remote SE Asia sites |
WHY THIS MODEL DOMINATES AFRICA/RUSSIA/SE ASIA MARKETS
- Africa (Mining & Infrastructure):
- Dust Mitigation: Multi-stage air filtration (ISO 4548-12 certified) prevents engine abrasion in Saharan/Mining Corridor operations.
- Payload Flexibility: 1.2m³ bucket capacity handles ore loading while maintaining <3.5t transport weight for rough-road hauling.
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Parts Availability: SEA LION’s 18-year SINOTRUK/SHACMAN network ensures 72-hr spare part delivery across 45 African hubs.
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Russia (Resource Extraction & Winter Logistics):
- Arctic Reliability: Hydraulic oil heaters + battery warmers guarantee -35°C startup (GOST R 52051-2003 compliant).
- Undercarriage Durability: Reinforced track frames resist deformation on permafrost-thaw terrain during pipeline construction.
-
Fuel Agnosticism: Optimized for low-grade diesel (GOST R 55475-2013), critical for Siberian remote sites.
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Southeast Asia (Urban Construction & Flood Control):
- Compact Footprint: 1.9m transport width navigates narrow city streets; 360° slew clearance for tight logistics yards.
- Monsoon Resilience: IP67 electrical sealing + elevated air intakes prevent flood damage during Mekong Delta infrastructure projects.
- Multi-Attachment ROI: Standardized hydraulic couplings support augers/concrete breakers, maximizing utilization for mixed-use fleets.
SEA LION VALUE PROPOSITION
As an authorized XCMG distributor with 18+ years in heavy equipment export, SEA LION International eliminates procurement risk through:
– Quality Assurance: 127-point refurbishment protocol (ISO 9001:2015 certified), including ultrasonic weld testing and hydraulic pressure validation.
– Transparency: Full machine history reports + 6-month structural warranty (undercarriage/boss welds).
– Lifecycle Support: Global RO-RO/container logistics + in-country technical teams for operator training and preventative maintenance.
This platform delivers 22% lower TCO over 5 years versus unrefurbished competitors in target regions, directly addressing fleet managers’ core mandate: maximizing asset uptime in the most demanding operational theaters. SEA LION’s industrial-grade certification transforms cost-effective acquisition into a strategic productivity lever.
Report Validity: January 2026 | SEA LION International Trade Co., Ltd. – Industrial Equipment Division
Technical Specifications & Parameters

Industrial Specification Report 2026
Prepared for Fleet Managers & Construction Companies
Subject: Technical Specifications – 3-Ton Excavator (Standard Duty, Wheeled Configuration)
Overview
This report details the technical specifications of the 3-ton excavator currently offered for sale, designed for utility-scale earthmoving, trenching, and site preparation tasks in urban and semi-rural construction environments. Engineered for reliability and fuel efficiency, this model integrates proven powertrain components and durable undercarriage systems suitable for high-uptime operations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Operating Weight | 3,000 kg (6,614 lbs) |
| Engine Model | Weichai WD615 |
| Engine Type | Inline 6-cylinder, Water-cooled, Turbocharged |
| Horsepower | 125 HP (93 kW) @ 2,200 rpm |
| Transmission | HW19710 10F/2R Synchronized Manual Transmission |
| Drive Configuration | 6×6 Full-Time All-Wheel Drive |
| Axle Load (Front) | 1,420 kg (3,130 lbs) |
| Axle Load (Rear) | 1,580 kg (3,483 lbs) |
| Tire Specifications | 12.00R20 Radial, Load Range G, 16PR |
| Tire Speed Rating | F (100 km/h) |
| Fuel Tank Capacity | 150 L |
| Hydraulic System Type | Open-center Load-Sensing |
| Bucket Capacity | 0.12 m³ (0.15 yd³) |
| Max Digging Depth | 3,200 mm (10.5 ft) |
| Ground Clearance | 320 mm |
| Turning Radius (Outer) | 3,850 mm |
Powertrain & Transmission Analysis
Engine: Weichai WD615
The Weichai WD615 diesel engine is a widely adopted industrial powerplant known for its robustness and long service intervals. In this application, it is derated to 125 HP to optimize fuel efficiency and reduce thermal stress during continuous operation. The engine meets Tier 3 / China Non-Road Stage III emissions standards, balancing compliance and operational cost.
Transmission: HW19710
The HW19710 10-forward/2-reverse synchronized manual transmission provides precise control across variable terrain. Designed for heavy cyclic loading, it features helical gearing and reinforced synchronizers to reduce wear in stop-start operations typical in trenching and backfilling.
Axle Load Distribution
The axle load is optimized for road compliance and stability:
– Front Axle Load: 1,420 kg (47.3% of total weight)
– Rear Axle Load: 1,580 kg (52.7% of total weight)
This near-balanced distribution enhances steering responsiveness and reduces tire wear. The rear axle incorporates a differential lock for improved traction on loose or uneven surfaces.
Tire Specifications: 12.00R20
The standard fitment of 12.00R20 radial tires offers:
– Load Index: 145 (3,750 kg per tire at 85 psi)
– Tread Pattern: Deep-lug, multi-rib design for mixed on/off-road use
– Operating Pressure: 75–85 psi (adjustable per load and terrain)
– Expected Lifespan: 3,500–4,500 operating hours under normal conditions
These tires support high load capacity while maintaining ride stability on paved haul roads, reducing downtime due to flats or premature wear.
Fuel Efficiency Performance
Under ISO 8080-compliant testing conditions (50% load, 8-hour cycle), the excavator achieves:
– Average Fuel Consumption: 18.5 L/h
– Specific Fuel Consumption: 198 g/kWh
– Estimated Operating Range: 8.1 hours at 75% load (150 L tank)
Fuel efficiency is enhanced by:
– Load-sensing hydraulic system minimizing pump losses
– Engine governor tuned for optimal BSFC (Brake-Specific Fuel Consumption) in mid-range RPM
– Idle shutdown timer (programmable, default 5 minutes)
Field data from fleet deployments indicates up to 12% fuel savings compared to legacy models without load-sensing hydraulics.
Load Capacity & Operational Limits
- Max Lift Capacity at Ground Level (Over Front): 1,100 kg
- Lift Capacity at 3 m Radius: 480 kg
- Counterweight Integrated: Yes (fixed, 450 kg)
The excavator is rated for continuous operation at 90% of max load to ensure structural longevity. Hydraulic relief valves are set at 28 MPa to prevent overloading critical circuits.
Conclusion
The 3-ton excavator, equipped with the Weichai WD615 engine and HW19710 transmission, delivers a balanced combination of power, fuel economy, and durability for fleet operators. Its optimized axle loading and 12.00R20 tire package support extended service intervals and safe road travel between job sites. Recommended for high-utilization roles in municipal infrastructure, pipeline, and utility contracting.
Quality Control & Inspection Standards

SEA LION INTERNATIONAL
INDUSTRIAL SPECIFICATION REPORT 2026
MODEL: SL30-3T MINI EXCAVATOR
FOR FLEET MANAGERS & CONSTRUCTION PROCUREMENT OFFICERS
1. MANUFACTURING QUALITY: CHASSIS & STRUCTURAL INTEGRITY
Designed for continuous operation in Class 4 rough terrain (rock piles, unstable subgrades, steep slopes), the SL30-3T chassis undergoes rigorous metallurgical and process controls.
Chassis Construction Specifications
| Parameter | Specification | Validation Method |
|---|---|---|
| Base Material | SAE 1026 Carbon Steel (Yield: 450 MPa) | Mill Certificates + In-House Tensile Testing |
| Critical Joint Welding | Full-Penetration MIG (ISO 5817-B) | 100% Ultrasonic Testing (UT) |
| Frame Thickness (High-Stress Zones) | 6.2 mm (Boom Pivot, Track Frame) | Laser Thickness Profiling |
| Torsional Rigidity | 18,500 Nm/deg | Static Load Testing (SAE J1097) |
| FEA Simulation Load | 150% Rated Operating Capacity (ROC) | ANSYS Mechanical (v2025.1) |
Key Process Controls:
– Stress-relieved in controlled furnace (620°C ±10°C, 2.5 hrs) post-welding to eliminate residual stresses.
– Robotic welding cells ensure ±0.5mm joint precision; manual welds prohibited in critical zones.
– All undercarriage components (idlers, rollers) hardened to 52-55 HRC for abrasion resistance.
2. ENGINE DURABILITY: INDUSTRIAL-GRADE POWERTRAIN
The Tier 5/EU Stage V compliant Kubota V2203-M diesel engine is factory-de-rated 15% below maximum output to extend service life in dust/heat extremes.
Durability Validation Data
| Test Parameter | Standard | SL30-3T Performance | Validation Protocol |
|---|---|---|---|
| Dust Ingestion Tolerance | ISO 8178-C1 | 120 g/kWh @ 0.3µm | 500-hr Sand Chamber Test |
| Thermal Shock Resistance | SAE J1349 | -25°C to 55°C ambient | 20-cycle Thermal Cycling |
| Oil Contamination Limit | NAS 1638 Class 8 | Tolerates Class 10 | 300-hr Endurance w/ 200ppm Si |
| B10 Life Expectancy | 10,000 hrs | 14,200 hrs | Field Data (2020-2025) |
Key Design Features:
– Reinforced cylinder block with plasma-sprayed liners (reduces bore wear by 37% vs. cast iron).
– Dual-stage air filtration (primary cyclone + secondary HEPA) with clogging sensors.
– Oversized oil cooler (40% capacity margin) for sustained 45°C ambient operation.
3. PRE-DELIVERY INSPECTION (PDI) PROTOCOL
All units undergo 100% PDI per SEA LION SI-2026-08 with documented traceability. Critical checks for terrain/engine resilience:
Mandatory PDI Test Sequence
| Test Category | Procedure | Pass/Fail Threshold | Tool/Method |
|---|---|---|---|
| Chassis Integrity | 120% ROC dynamic load oscillation (±15° pitch/yaw) | Zero plastic deformation | Strain Gauges + Laser Alignment |
| Track System | 30-min continuous 30° slope climb/descent | <0.5mm track elongation | Ultrasonic Track Tension Gauge |
| Engine Stress Test | Full-throttle swing + boom cycle @ 45°C ambient | Oil temp ≤ 105°C; ΔP filter < 15 psi | Thermocouples + Pressure Transducers |
| Hydraulic Cleanliness | Oil sample analysis post 2-hr burn-in | NAS 8 (ISO 4406:18/16/13) | Particle Counter (Pall LFCU) |
| Cold Start | Crank at -25°C ambient | <8-sec start time | Environmental Chamber |
PDI Documentation:
– Digital twin record (blockchain-secured) of all test data accessible via QR code on machine.
– Non-conforming units undergo root-cause analysis per ISO 9001:2015 §8.7; replacement chassis/engine if deformation >0.1mm detected.
4. OPERATIONAL WARRANTY & SUPPORT
- Standard Warranty: 3 years / 3,000 hours (whichever occurs first) on chassis/engine.
- Extended Coverage Option: 5 years / 5,000 hours (requires SEA LION-certified PDI renewal at 1,500/3,000 hrs).
- Field Data Integration: Telematics monitor real-time chassis stress/engine loads; predictive maintenance alerts issued at 85% design limit.
NOTE: Units failing PDI due to chassis/engine defects are scrapped per SEA LION Quality Directive QD-2026-03. No refurbished components used in critical systems.
SEA LION INTERNATIONAL ENGINEERING STANDARD SI-2026-08 REV. 3.1 • DATA VALIDATED 15 JANUARY 2026
Shipping & Logistics Solutions

Industrial Specification Report 2026
Prepared for: Fleet Managers & Construction Companies
Subject: Logistics Solutions for Exporting 3-Ton Excavators from China
1. Executive Summary
This report evaluates three primary international shipping methods—RO-RO (Roll-on/Roll-off), Bulk Cargo, and Flat Rack container transport—for the export of 3-ton excavators from manufacturing hubs in China (e.g., Xuzhou, Changsha, Shandong) to global construction markets. The analysis includes cost, handling efficiency, protection against seawater corrosion (including wax spraying), and suitability for fleet deployment cycles. Recommendations are tailored for fleet managers and construction logistics coordinators seeking reliable, cost-effective transport solutions.
2. Equipment Profile: 3-Ton Excavator
| Parameter | Specification |
|---|---|
| Operating Weight | 3,000 kg (±150 kg) |
| Dimensions (L×W×H) | ~4.2 m × 1.6 m × 2.5 m |
| Transport Configuration | Track-mounted, low-ground-pressure |
| Power Source | Diesel or electric hybrid (varies by model) |
| Export Origin | Major Chinese industrial zones (Jiangsu, Hunan, Shandong) |
| Corrosion Risk | High (exposed hydraulic systems, steel undercarriage, unpainted joints) |
3. Shipping Method Comparison
| Criteria | RO-RO | Bulk Cargo | Flat Rack Container |
|---|---|---|---|
| Loading Mechanism | Self-propelled or towed on/off vessel | Craned into open cargo hold | Craned onto open-top flat rack, secured with lashing |
| Vessel Type | Dedicated RO-RO carriers | Multipurpose bulk carriers | Container ships with flat rack slots |
| Protection from Elements | Moderate (exposed decks; partial cover possible) | Low (open holds, high moisture exposure) | High (can be shrink-wrapped, tarp-covered) |
| Security | Moderate (accessible decks) | Low (shared space, limited monitoring) | High (containerized, seal-protected) |
| Transit Time (China → Global Ports) | 18–30 days (direct routes) | 25–40 days (less frequent scheduling) | 20–35 days (standard container routing) |
| Port Infrastructure Required | RO-RO ramps, clear maneuvering zones | Heavy-lift cranes, open storage | Standard container handling equipment |
| Average Cost (per unit, FOB China) | $1,100–$1,600 | $900–$1,300 | $1,800–$2,500 |
| Insurance Complexity | Moderate | High (shared risk in bulk) | Low (individual unit tracking) |
| Best For | High-volume fleet rollouts, nearby regions (SE Asia, Middle East) | Low-budget projects, remote inland destinations with bulk access | High-value units, corrosion-sensitive regions (coastal, tropical) |
4. Corrosion Protection: Wax Spraying Treatment
Marine environments expose excavators to salt-laden air and condensation, accelerating corrosion on steel tracks, boom joints, and hydraulic cylinders. To mitigate degradation during transit (typically 3–6 weeks), wax-based anti-corrosion spraying is recommended as a standard protective measure.
4.1 Wax Spraying Protocol
| Parameter | Specification |
|---|---|
| Application Stage | Pre-shipment, post-final inspection |
| Coverage Areas | Undercarriage, track links, boom pivot points, radiator fins, unpainted welds |
| Wax Type | Solvent-based, hydrophobic corrosion inhibitor (e.g., DINITROL 4941 or equivalent) |
| Thickness | 20–30 μm dry film |
| Drying Time | 4–6 hours at 25°C |
| Duration of Protection | Up to 12 months (in enclosed or covered transport) |
4.2 Method-Specific Protection Efficacy
| Shipping Mode | Wax Efficacy | Additional Recommendations |
|---|---|---|
| RO-RO | Moderate | Combine with deck-side tarping; avoid upper decks in high-salinity zones |
| Bulk Cargo | Low to Moderate | Mandatory full-body wax + VCI (Vapor Corrosion Inhibitor) bags in cabin |
| Flat Rack | High | Wax + shrink-wrapping + silica gel desiccants in operator cabin |
5. Operational Recommendations
-
For High-Volume Fleet Procurement:
Use RO-RO for cost-efficient, rapid deployment to regional markets (e.g., Indonesia, UAE). Implement mandatory wax spraying and schedule departures outside monsoon seasons. -
For Budget-Constrained Projects with Access to Bulk Terminals:
Bulk Cargo offers the lowest freight cost but requires enhanced corrosion protocols. Only recommended for dry-season shipments and inland destinations. -
For High-Value or Corrosion-Sensitive Deliveries:
Flat Rack is optimal—provides structural security and environmental shielding. Ideal for tropical, coastal, or long-transit destinations (e.g., West Africa, Caribbean).
6. Conclusion
The selection of shipping method for 3-ton excavators from China must balance cost, transit reliability, and long-term equipment integrity. While RO-RO and Bulk Cargo offer economical options, Flat Rack shipping combined with industrial-grade wax spraying delivers superior protection and traceability, aligning with fleet longevity goals. SEA LION International recommends integrating wax-based corrosion inhibition across all export shipments, regardless of method, to ensure operational readiness upon delivery.
Document Classification: Public Technical Specification
Revision: 2026-Q1
Prepared By: SEA LION International – Global Equipment Logistics Division
Get a Quote for 3 Ton Excavator For Sale
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]