CAT 320CL
CAT 320CL 20-Ton Medium Crawler Excavator – Foreign Trade Sales Copy
Brand & Model Positioning
Brand: CAT (Caterpillar)
Caterpillar Inc., a global leader in construction and mining equipment manufacturing with over 90 years of engineering expertise, dominates the heavy machinery sector with its core advantages of “Durability, Productivity, and Global Service.” As the world’s largest construction equipment manufacturer, CAT serves customers in more than 190 countries, supported by a service network of 160+ countries and 2,100+ authorized dealers. This ensures 98%+ equipment uptime even in extreme conditions, delivering stable returns and comprehensive after-sales support to contractors, mining companies, and infrastructure developers globally. CAT’s commitment to innovation and reliability has made it the top choice for medium-to-large construction, urban engineering, and heavy-duty applications worldwide.
Model: CAT 320CL
The CAT 320CL is a 20-ton class medium crawler excavator, a classic model in CAT’s C-Series lineup, engineered for medium-duty operations in versatile environments. It combines the reliable CAT 3066 ATAAC engine with an efficient hydraulic system, delivering balanced digging force, fuel efficiency, and durability. Designed for urban construction, road maintenance, and light mining, its robust structural components and reinforced undercarriage ensure reliable performance in harsh conditions. With a perfect balance of power, efficiency, and operator comfort, it is the preferred solution for global customers tackling urban construction, infrastructure, and municipal engineering projects.
Core Technical Specifications
1. Basic Parameters
- Operating Weight: 20,800–21,420 kg (45,856–47,223 lbs) – ensures stability during digging and lifting tasks.
- Standard Bucket Capacity: 1.2 m³ (optional 0.8–1.8 m³ buckets for various applications).
- Overall Dimensions: Total length 9,390 mm × Total width 2,980 mm × Total height 3,050 mm.
- Minimum Ground Clearance: 460 mm – adapts to uneven terrain in construction sites.
2. Engine Performance
- Engine Model: CAT 3066 ATAAC 6-cylinder in-line water-cooled diesel engine.
- Rated Power: 103 kW (138 HP) @ 1,800 rpm – reliable power output for medium-duty operations.
- Displacement: 6.4 L – optimized combustion for high power-to-weight ratio and fuel efficiency.
- Emission Compliance: Tier 2 / Stage II – meets emission standards in most global markets, ensuring eco-friendly operation.
- Fuel Efficiency: 15–18 L/h under medium load – 8–10% lower fuel consumption than peer models, saving $1,500–$1,800 annually (based on 2,000 working hours/year).
- Cold-Start Performance: Equipped with glow plugs for reliable starting at -18°C; advanced air filtration system adapts to dusty environments.
- Maximum Torque: 680 Nm @ 1,400 rpm – strong low-end torque for efficient digging in compacted soil and rock.
3. Working Device & Excavation Performance
- Operating Range: Maximum digging radius 9,710 mm; maximum digging depth 6,550 mm; maximum dumping height 6,670 mm; maximum digging height 9,440 mm.
- Digging Force: Bucket digging force 150 kN; arm digging force 100 kN – penetrates compacted soil and rock with ease.
- Boom & Arm: Standard 5,700 mm boom + 2,900 mm arm; reinforced with high-strength steel for durability in medium-duty applications.
- Hydraulic Breaker Compatibility: Supports 100–150 mm hydraulic breakers for light rock demolition and road construction.
4. Hydraulic System
- System Type: Open-center hydraulic system – matches engine power to load for precise control and efficiency.
- Maximum Flow Rate: Total main pump flow 200 L/min; pilot pump flow 35 L/min.
- Relief Valve Pressure: 34.3 MPa (main hydraulic circuit); 28 MPa (swing circuit); 34.3 MPa (travel circuit).
- Swing System: Axial piston motor with holding brake; swing speed 11.2 rpm; swing torque 61.8 kNm – smooth rotation for accurate positioning.
- Travel System: Dual-speed travel motors; low speed 2.5 km/h (high torque for 70% slope climbing); high speed 3.4 km/h (fast relocation); maximum traction 200 kN.
5. Undercarriage & Structural Design
- Undercarriage Type: Heavy-duty chassis – provides excellent stability and load-bearing capacity for long-term use.
- Track Configuration: Track shoe width 600 mm (standard); optional 500 mm rubber tracks for paved surfaces.
- Track Specifications: Track gauge 2,380 mm; track ground contact length 3,650 mm – ensures stable operation with ground pressure of 41.8 kPa.
- Protective Design: Reinforced boom/arm; heavy-duty counterweight protects the engine compartment; sealed track chains extend service life.
6. Operator Cab & Safety
- Cab Certification: ROPS/FOPS Level II certified – protects operators from rollover and falling objects, meeting global safety standards.
- Ergonomic Design: Spacious cab with air-suspension seat, lumbar support, and low-effort pilot controls – reduces fatigue during long-hour operations.
- Control System: Intuitive multi-functional display with real-time data (engine speed, fuel level, hydraulic temperature, fault codes); adjustable joysticks for precise operation.
- Comfort Configuration: Air conditioning/heating system, sound insulation (≤78 dB(A)), and large windows for 360° visibility; optional rearview camera minimizes blind spots.
- Safety Features: Emergency stop button, travel alarm, anti-slip steps, and handrails – ensures safe entry/exit and operation.
7. Fuel & Fluid Capacities
- Fuel Tank Capacity: 320 L – supports 18–21 hours of continuous operation, reducing refueling frequency.
- Hydraulic Oil Tank Capacity: 120 L – efficient cooling system maintains stable oil temperature.
- Engine Oil Capacity: 30 L; Coolant Capacity: 24 L.
Core Advantages
1. Unmatched Durability for Medium-Duty Applications
The 320CL features reinforced structural components and a heavy-duty undercarriage, designed to withstand impact and wear in construction and light mining. The sealed and lubricated track chains and reinforced boom/arm ensure a service life of over 10,000 hours under normal operation, reducing downtime and maintenance costs by 15–20% compared to competitors.
2. Exceptional Fuel Efficiency & Low Operating Costs
The CAT 3066 ATAAC engine with optimized combustion technology achieves 8–10% lower fuel consumption than peer models, translating to annual savings of $1,500–$1,800 for 2,000 working hours. Extended service intervals (500 hours for oil changes, 2,000 hours for hydraulic oil changes) reduce maintenance frequency, further lowering total ownership costs.
3. High Productivity & Versatile Performance
With a bucket capacity of 0.8–1.8 m³ and digging force of 150 kN, the 320CL handles earthmoving, light rock excavation, and material loading efficiently. Its compatibility with various attachments (hydraulic breakers, grapples, augers) allows quick changes within 3–5 minutes, adapting to diverse tasks like demolition, waste handling, and road construction.
4. Operator-Centric Comfort & Safety
The ROPS/FOPS certified cab, air-suspension seat, and low-noise design (≤78 dB(A)) enhance operator comfort during long shifts. The intuitive control system and 360° visibility minimize errors and improve job site safety, reducing accident risks by 25% compared to conventional excavators.
5. Global Service & Support
CAT’s global network of 2,100+ dealers ensures timely access to genuine parts and professional service in 160+ countries. The 320CL comes with comprehensive technical support, including remote diagnostics and on-site maintenance, maximizing equipment uptime and reliability.
Typical Application Scenarios
1. Urban Construction Projects
- Foundation excavation for residential buildings, commercial complexes, and small bridges.
- Earthmoving and grading for urban roads, parking lots, and landscaping.
- Material loading for concrete batching plants and construction sites.
2. Light Mining & Quarry Operations
- Rock excavation and loading in small open-pit mines and quarries.
- Overburden removal and ore extraction in small mining projects.
- Crushing and screening of aggregates for construction materials.
3. Demolition & Waste Handling
- Demolition of small industrial buildings, houses, and structures.
- Waste sorting and loading in landfills and recycling facilities.
- Concrete and asphalt breaking for road reconstruction projects.
4. Municipal & Infrastructure Engineering
- Trenching for water, gas, and sewage pipelines.
- Construction of small ports, harbors, and coastal protection works.
- Land reclamation and flood control projects.
5. Rental Fleet Operations
Ideal for rental companies due to its durability, versatility, and high demand. Widely rented by contractors and municipal agencies for long-term projects, offering stable returns and high resale value.
Foreign Trade Service Guarantee
1. Customization Options
- Track Solutions: Standard steel tracks or heavy-duty rubber tracks for paved surfaces.
- Climate Packages: Cold-climate package (engine heater, battery warmer) for cold regions; hot-climate package (high-capacity AC, enhanced cooling) for hot markets.
- Cab Configurations: Open canopy or enclosed cab with heating/AC for year-round operation.
- Multilingual Documentation: Operation manuals and parts catalogs in English, Spanish, Arabic, French, Russian, etc.
2. Inspection & Certification
- Pre-Shipment Inspection: Rigorous checks by CAT or third-party institutions (SGS, BV) to ensure quality and compliance.
- Export Certifications: CE for EU, EPA for North America, Tier 2 emission reports, CO, commercial invoice, packing list, and bill of lading.
- Import Support: Professional team assists with import permits, customs clearance, and tax declaration in target countries.
3. Warranty & Training
- Global Warranty: 1-year or 2,000-hour warranty (whichever comes first) for core components; 6-month warranty for non-core parts.
- Free Training: On-site/online operator and maintenance training in local languages, covering safe operation and maintenance.
4. Spare Parts & After-Sales
- Global Parts Supply: CAT’s parts network ensures delivery within 3–7 days in major markets and 7–15 days in remote areas.
- Consignment Stock: Common spare parts (filters, bucket teeth, hydraulic hoses) available for bulk buyers in target markets.
- On-Site Service: Optional maintenance contracts including regular inspections and on-site repairs to maximize uptime.
Why Choose CAT 320CL?
The CAT 320CL 20-ton medium crawler excavator combines CAT’s legendary durability with advanced technology, delivering unmatched power, efficiency, and reliability. Its heavy-duty design excels in construction, light mining, and demolition, while versatile attachments meet diverse application needs. Backed by CAT’s global service network, it offers low operating costs and high investment returns. Whether you’re a mining company, contractor, or rental fleet operator, the CAT 320CL is your ultimate solution for medium-duty projects.
Contact Us
For real-time quotes on new/used CAT 320CL excavators, attachment customization, bulk discounts, or rental solutions, contact our foreign trade team. We offer competitive pricing, flexible payment terms (LC, TT, DP), and door-to-door shipping globally. Our professional team provides one-stop services from product selection to after-sales support, helping you achieve business success.

















