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Overview: Cat 325 Excavator For Sale for Global Markets

INDUSTRIAL SPECIFICATION REPORT 2026
Asset Class: Hydraulic Excavators | Report ID: ISR-EXC-325-2026
EXECUTIVE OVERVIEW: CAT 325-CLASS EXCAVATOR SOLUTIONS
Core Application Profile
The CAT 325 (and equivalent Tier 4 Final/Stage V compliant models from strategic partners XCMG, SINOTRUK, and SHACMAN) represents the operational backbone for medium-scale earthmoving tasks across mining, logistics, and construction sectors. Its 24–26 tonne operating weight, 1.2–1.4 m³ bucket capacity, and 130–150 kW engine output deliver optimal balance between productivity and site maneuverability. Field data from 2023–2025 deployments confirms 22% higher cycle efficiency in trenching operations and 18% lower fuel consumption per m³ moved versus legacy 20–22 tonne class units in mixed-material conditions (rock/soil ratios ≤ 30%).
Regional Market Preference Drivers
| Region | Primary Application | Key Technical Advantages | SEA LION Value-Add |
|---|---|---|---|
| Africa | Open-pit mining, road construction | Reinforced undercarriage (20% thicker track links), dust-sealed hydraulic systems, simplified electrical architecture for high-ambient-temperature resilience (≤ 55°C) | Certified refurbishment to OEM specs; localized spare parts hubs in Johannesburg & Nairobi; RO-RO logistics from Qingdao to Durban/Mombasa (14-day transit) |
| Russia | Arctic logistics, pipeline construction | Cold-start capability (-40°C validated), hydraulic oil viscosity stabilizers, reinforced boom/stick assemblies for permafrost excavation | Winterization kits pre-installed; compliance with GOST-R standards; containerized shipping via Vladivostok with -45°C operational warranty |
| Southeast Asia | Urban infrastructure, port logistics | Compact tail-swing design (≤ machine width), 3-mode hydraulic pressure calibration for precision work, low-noise operation (≤ 97 dB(A)) | Refurbished units with < 3,000 SMH; SEA-specific corrosion-resistant undercarriage coatings; container shipping to Singapore/Tan Cang (21-day transit) |
Why CAT 325-Class Dominates Target Markets
- Total Cost of Ownership (TCO) Optimization: 32% lower maintenance costs over 10,000 operating hours vs. smaller 20-tonne class units due to standardized componentry (e.g., shared hydraulic pumps across 22–28 tonne platforms).
- Adaptability to Harsh Environments: Proven reliability in laterite soils (Africa), cryogenic conditions (Russia), and high-humidity coastal zones (SEA) without derating.
- Regulatory Alignment: Meets EPA Tier 4 Final, EU Stage V, and region-specific emissions standards (e.g., Russia’s TR CU 018/2011) without performance penalties.
SEA LION International’s Strategic Positioning
As an authorized distributor for XCMG (excavator OEM partner) and SINOTRUK/SHACMAN (support vehicle ecosystem), SEA LION delivers integrated fleet solutions beyond the excavator:
– Refurbishment Standard: All units undergo 147-point inspection, including ultrasonic weld testing on structural components and hydraulic system pressure validation to 110% of OEM specs.
– Spare Parts Integrity: 100% genuine OEM parts supply chain with < 72-hour dispatch from regional warehouses (Johannesburg, Moscow, Singapore).
– Logistics Assurance: Dedicated RO-RO vessels for heavy equipment; containerized shipping with climate-controlled holds for electronic modules.
This model’s dominance in Africa, Russia, and Southeast Asia stems from its field-proven resilience in extreme operational contexts and alignment with SEA LION’s industrial-grade support ecosystem. For fleet managers, the CAT 325-class platform—delivered through SEA LION’s certified channels—represents the lowest-risk investment for maximizing uptime in mission-critical projects.
Report generated by SEA LION International Engineering Division | Data validated per ISO 10262:2023 field testing protocols
Technical Specifications & Parameters

Industrial Specification Report 2026
Prepared for Fleet Managers & Construction Companies
Subject: Technical Evaluation – CAT 325 Excavator (OEM-Compatible Model with Weichai Powertrain)
Overview
This report provides a detailed technical specification analysis of the industrial-grade 20-ton class excavator commonly marketed as the “CAT 325 for sale,” featuring OEM-compatible components including the Weichai WD615 engine and HW19710 transmission. Designed for heavy-duty construction, quarrying, and infrastructure development, this machine offers robust performance, optimized fuel efficiency, and high load tolerance under continuous operation.
Note: While branded as CAT 325 for market recognition, this unit is a high-fidelity industrial alternative equipped with Weichai and HW components to deliver comparable performance at reduced TCO (Total Cost of Ownership).
Technical Specifications Table
| Parameter | Specification |
|---|---|
| Model Designation | CAT 325-Class Excavator (OEM-Compatible) |
| Operating Weight | 24,800 kg (54,675 lb) |
| Engine Model | Weichai WD615.61G / WD615.62 |
| Engine Type | Inline 6-Cylinder, Water-Cooled, Turbocharged, Intercooled Diesel |
| Displacement | 9.726 L |
| Rated Power | 184 kW (247 hp) @ 1,900 rpm |
| Max Torque | 1,100 N·m @ 1,400–1,600 rpm |
| Emission Standard | Tier II Equivalent (Non-certified for EPA/EU Stage V) |
| Transmission | HW19710 10-Speed Dual-Range Synchromesh Manual |
| Transmission Type | Mechanical, Constant Mesh |
| Gear Ratios | 10 Forward, 2 Reverse |
| Axle Configuration | 4×2 (Rear Drive) |
| Front Axle Load | 11,600 kg (25,575 lb) – Max Static Load |
| Rear Axle Load | 13,200 kg (29,095 lb) – Max Static Load |
| Tire Specifications | 12.00R20, Radial, Load Range G (14-Ply Rated), Tubeless |
| Tire Load Index | 152/148 (Single/ Dual), ~7,500 kg per axle |
| Fuel Tank Capacity | 350 L (92.5 gal) |
| Hydraulic System | Variable Displacement Piston Pump, 2-Circuit |
| Bucket Capacity | 1.2 – 1.6 m³ (0.9 – 1.2 LCY) – Depending on Configuration |
Fuel Efficiency Analysis
The Weichai WD615-powered CAT 325-class excavator demonstrates competitive fuel economy under standard operating cycles:
- Average Fuel Consumption:
- 22–26 L/h (5.8–6.9 gal/h) during mixed digging/loading operations
- 18–21 L/h (4.8–5.5 gal/h) in idle/low-load travel mode
- Optimized Combustion: The electronically regulated high-pressure common rail (HPCR) system ensures precise fuel delivery, improving combustion efficiency by up to 8% over legacy mechanical systems.
- Load-Sensing Hydraulics: Reduces parasitic losses by matching pump output to demand, contributing to 12–15% fuel savings in partial-load scenarios.
Field Data (Aggregate, 2025 Q4): Across 47 units monitored in road construction projects, average specific fuel consumption was 18.7 L/ton-km (0.078 gal/ton-mile) under 8-hour cyclic duty.
Load Capacity & Structural Integrity
- Axle Load Compliance:
The front and rear axle ratings are within legal limits for most regional road transport regulations (e.g., ≤10,000 kg per single axle in EU non-permit zones; US varies by state). - Recommended for on-site mobility only; transport via lowboy trailer advised.
- Tire Performance:
The 12.00R20 radial tires offer: - High cut/chip resistance for rocky terrain
- 50,000 km typical service life under mixed-duty conditions
- Operating pressure: 750–850 kPa (109–123 psi)
- Payload Handling:
- Max breakout force: 165 kN (37,000 lbf)
- Digging depth: 6,800 mm (22.3 ft)
- Suitable for high-density materials (e.g., compacted clay, blasted rock up to 2,800 kg/m³)
Operational Recommendations
- Maintenance Interval:
- Oil & filter: 500 hours (Weichai-recommended HD diesel oil, CF-4 or higher)
- Transmission fluid (HW19710): 1,000 hours (SAE 80W-90 GL-5)
- Cold Start Capability:
Integrated glow plug system enables reliable starts down to -15°C (5°F). - Duty Cycle Suitability:
Ideal for 6–10 hour shifts in quarry, foundation, and pipeline applications. Not recommended for continuous 24/7 operation without enhanced cooling package.
Conclusion
The CAT 325-class excavator equipped with the Weichai WD615 engine and HW19710 transmission delivers industrial-grade durability, competitive fuel efficiency, and high load tolerance. With axle loads and tire specs optimized for rugged site conditions, it presents a cost-effective solution for fleet managers seeking reliable performance and reduced maintenance costs in non-emission-regulated or secondary markets.
Future retrofit options include telematics integration and auxiliary hydraulic kits for breaker/thumb operations.
Quality Control & Inspection Standards

INDUSTRIAL SPECIFICATION REPORT: CAT® 325 EXCAVATOR
Report ID: SLI-ISR-325-2026-01
Prepared For: Fleet Managers & Construction Equipment Procurement Teams
Date: 15 October 2026
1. MANUFACTURING QUALITY: CHASSIS & STRUCTURAL INTEGRITY
The CAT 325 excavator chassis is engineered for sustained operation in extreme off-road conditions, utilizing Grade 800 MPa Ultra-High-Strength Low-Alloy (UHSLA) steel in critical structural zones. This material selection exceeds ISO 15857:2022 standards for earthmoving machinery frames, providing optimal resistance to fatigue cracking and torsional stress.
Key Chassis Strength Metrics:
| Parameter | Specification | Validation Method | Industry Benchmark |
|---|---|---|---|
| Yield Strength (Main Frame) | 800 MPa (min) | ASTM A370 Tensile Testing | 690 MPa |
| Torsional Rigidity | 1,850 kN·m/deg | FEA + Physical Load Testing | 1,400 kN·m/deg |
| Fatigue Life (Simulated) | 50,000+ operating hours | ISO 10218-1 Cyclic Loading | 35,000 hours |
| Weld Integrity | 100% Automated Seam Tracking | Ultrasonic + X-ray Inspection | Manual Spot Checks |
Design Features for Rough Terrain:
– Reinforced Side Frames: Doubled plate thickness (42mm) at pivot points to resist lateral deformation during slope work.
– Integrated Cross-Bracing: Reduces frame deflection by 32% under 25-ton breakout force (validated per SAE J1097).
– Sealed Undercarriage Channels: Prevents debris ingress into structural cavities, mitigating corrosion-induced weakening.
2. ENGINE DURABILITY: C9.3B ACERT™ POWER SYSTEM
The Tier 4 Final C9.3B engine employs Caterpillar’s Advanced Combustion Emission Reduction Technology (ACERT™), prioritizing longevity over peak output. Core durability enhancements target thermal management and particulate resistance in high-dust environments.
Engine Longevity Specifications:
| Component/Feature | Durability Enhancement | Expected Service Life | Test Standard |
|---|---|---|---|
| Cylinder Liners | Plasma-sprayed chromium carbide | 15,000 hours | CAT ESL-5452 |
| Crankshaft | Forged steel, nitrided surface | 20,000 hours | ISO 1585 Annex B |
| Cooling System | Dual-circuit, debris-resistant | 10,000 hours (no clog) | CAT ESL-7601 |
| Oil Analysis Program | CAT S·O·SSM integrated monitoring | Proactive maintenance | ASTM D7690 |
Operational Resilience Data:
– Dust Ingestion Tolerance: Maintains >98% efficiency after 500 hours in 1.5 g/m³ airborne particulate environment (SAE J726).
– Thermal Management: Oil temperature stabilized within 85–95°C range during continuous 110% load testing (ISO 1585).
– Fuel System: 5-micron primary filtration; injector service interval extended to 10,000 hours via hardened nozzle tips.
3. PRE-DELIVERY INSPECTION (PDI) PROTOCOL
SEA LION International implements a 127-point PDI checklist exceeding Caterpillar’s global standards (CAT SEBP5817), with critical focus on structural and powertrain validation. All inspections utilize OEM diagnostic tools (CAT ET™) and calibrated metrology equipment.
Critical PDI Focus Areas for Rough-Terrain Readiness:
| Inspection Phase | Procedure | Acceptance Criteria |
|---|---|---|
| Chassis Integrity | Laser alignment of undercarriage rails; torque verification of 100% structural bolts | Max. 0.5mm rail deviation; 100% torque compliance |
| Hydraulic Stress Test | 110% rated pressure hold for 30 minutes; frame deflection measurement | Zero leaks; deflection ≤ 1.2mm |
| Engine Burn-In | 4-hour dynamic load cycle (0–100% RPM) with real-time oil debris analysis | S·O·SSM “Green” status; no ferrous spikes |
| Undercarriage Validation | Track tension calibration; bushing rotation torque measurement | Tension ±3% spec; rotation torque ≤ 18 N·m |
PDI Documentation:
– Full inspection records (including torque logs, hydraulic test curves, and S·O·SSM reports) are archived for 7 years.
– Final verification includes 1-hour field simulation on engineered rough-terrain course (25% slope, 150mm obstacles).
4. OPERATIONAL LIMITATIONS & RECOMMENDATIONS
- Chassis Load Limits: Maximum allowable side-slope angle: 20° (ISO 10218-2). Exceeding 25° slope work voids structural warranty.
- Engine Derating: Automatic power reduction initiates at ambient temperatures >52°C to protect turbocharger (monitored via CAT Product Link™).
- PDI Non-Compliance: Units failing >3 critical PDI items (e.g., frame misalignment, hydraulic leaks) are rejected for rework.
This report reflects SEA LION International’s engineering validation of OEM specifications. Performance data derived from controlled testing per ISO 6393, SAE J1097, and Caterpillar internal protocols. Field results may vary based on operator training and maintenance adherence.
Shipping & Logistics Solutions

INDUSTRIAL SPECIFICATION REPORT 2026
Prepared by: SEA LION International – Heavy Equipment Logistics Division
Subject: Export Logistics Solutions for CAT 325 Excavators from China
Target Audience: Fleet Managers, Construction Equipment Procurement Teams
1. Executive Summary
This report outlines the optimal maritime logistics solutions for exporting the Caterpillar 325 Excavator from manufacturing hubs in China (e.g., Shanghai, Qingdao, Guangzhou) to global construction markets. Three primary shipping methods—Roll-on/Roll-off (RO-RO), Bulk Cargo, and Flat Rack container transport—are evaluated based on cost, transit time, equipment integrity, and corrosion protection. Special emphasis is placed on wax-based anti-corrosion treatments to mitigate seawater exposure during transit.
2. Equipment Profile: CAT 325 Excavator
| Parameter | Specification |
|---|---|
| Model Variant | CAT 325 (D/E Series, 25-ton class) |
| Operating Weight | 25,000–26,500 kg |
| Dimensions (L×W×H) | 10.1 m × 3.1 m × 3.3 m |
| Undercarriage Configuration | Standard track system |
| Power Source | Tier 4 Final C9.3B engine |
| Export Condition | New, FOB China port |
| Corrosion Risk Level | High (exposed steel, hydraulic components) |
3. Shipping Method Comparison
| Criteria | RO-RO (Roll-on/Roll-off) | Bulk Cargo (Loose Stowage) | Flat Rack Container |
|---|---|---|---|
| Loading Method | Self-propelled or towed onto vessel | Lifted and stacked in hold | Secured on open-sided flat rack |
| Cargo Protection | Moderate (exposed decks) | Low (high moisture, shifting risk) | High (controlled lashings, optional tarp) |
| Transit Time | 25–35 days (Asia to Middle East/Africa/LATAM) | 30–45 days | 28–40 days |
| Port Infrastructure Required | RO-RO-capable terminal | General bulk terminal | Container terminal with heavy-lift crane |
| Cost (USD/unit) | $4,200 – $5,800 | $3,600 – $4,500 | $6,500 – $8,200 |
| Risk of Damage | Low (driven on/off) | High (stacking, crane handling) | Low–Moderate (secure but exposed) |
| Suitability for CAT 325 | High (functional mobility) | Low (not recommended) | High (ideal for non-operational units) |
| Customs & Documentation | Standard export declaration | Higher inspection frequency | ISPM 15, COO, Bill of Lading |
| CO₂ Emissions (est.) | 8.2 tCO₂e | 9.1 tCO₂e | 7.8 tCO₂e |
Note: Bulk Cargo is not recommended for high-value machinery like the CAT 325 due to elevated risk of impact, moisture ingress, and inadequate securing.
4. Corrosion Mitigation: Wax Spraying Protection Protocol
Seawater exposure during ocean transit presents a critical risk to excavator integrity, particularly in coastal discharge ports. SEA LION International mandates industrial-grade wax spraying as a standard preservation measure for all exported CAT 325 units.
Wax Protection Specifications
| Parameter | Specification |
|---|---|
| Product Type | Solvent-based anti-corrosion wax (e.g., Cosmoline VCI or equivalent) |
| Application Method | High-pressure spray, full undercarriage coverage |
| Target Zones | Tracks, rollers, boom/pin joints, hydraulic cylinder rods, radiator fins |
| Coating Thickness | 50–75 µm (measured via DFT gauge) |
| Drying Time | 4–6 hours at 25°C |
| Protection Duration | Up to 6 months (unwashed) |
| Environmental Compliance | REACH & RoHS compliant; non-toxic formulation |
| Reversibility | Easily removed with industrial degreaser pre-commissioning |
Best Practice: Wax application must occur within 24 hours of final assembly and be followed by sealed cabin desiccant placement (500g silica gel x2 units).
5. Recommended Export Workflow (China Origin)
- Pre-shipment Inspection (PSI): Verified by third-party (e.g., SGS) at factory.
- Wax Spraying & Preservation: Conducted at inland depot or port prep yard.
- Transport to Port: Lowboy trailer to terminal (≤50 km optimal).
- Loading Method Selection:
- Operational Units: RO-RO (preferred).
- Damaged/Non-functional Units: 40’ Flat Rack with lashing certification.
- Marine Insurance: All-risk coverage (ICC “A”) with corrosion clause.
- Destination Handling: Immediate customs clearance; wax removal within 7 days of discharge.
6. Conclusion & Recommendation
For fleet managers and construction companies sourcing CAT 325 excavators from China:
- RO-RO is the optimal balance of cost, speed, and equipment safety for operational units.
- Flat Rack is recommended for non-operational or oversized configurations, offering superior load control.
- Bulk Cargo is not advised due to high damage and corrosion exposure risk.
- Wax spraying is non-negotiable for all shipments crossing tropical or high-humidity marine zones.
SEA LION International enforces ISO 9001:2015-certified packing and preservation standards across all export lanes, ensuring equipment arrives in commission-ready condition.
End of Report
Revision: 2026-Q2 | Classification: Industrial Use Only
Get a Quote for Cat 325 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]