CAT 320B 19.4-Ton Medium Hydraulic Excavator – Foreign Trade Sales Copy

Brand & Model Positioning

Brand: CAT (Caterpillar) – A globally iconic American heavy equipment manufacturer with over a century of engineering heritage, synonymous with rugged durability, uncompromising performance, and a worldwide service network. CAT excavators dominate the mid-to-heavy tonnage segment in construction, mining, and infrastructure markets across North America, Europe, the Middle East, Africa, and Southeast Asia. Trusted by large contracting firms, rental fleets, and resource development enterprises, CAT machinery is engineered to thrive in extreme operating conditions, delivering consistent productivity and long-term value.Model: CAT 320B – A 19.4-ton medium hydraulic excavator, a legendary workhorse in CAT’s 20-ton class lineup, optimized for medium-to-large-scale earthmoving, foundation excavation, road construction, and quarry loading tasks. Powered by the proven Cat 3066T turbocharged diesel engine and a robust open-center hydraulic system, it balances high digging force, fast cycle times, and operator-friendly design. Ideal for urban infrastructure projects, residential/commercial building foundations, small-scale mining operations, and land reclamation, the CAT 320B excels in both soft soil and rocky terrain applications.

Core Technical Specifications (Detailed)

• Operating Weight: 19,400kg (42,770 lbs) – balanced weight distribution for stable lifting and digging at full capacity
• Engine: Cat 3066T 6-cylinder turbocharged intercooled diesel engine
  • Rated power: 95kW (128HP) @ 1,800rpm (ISO 9249 standard)
  • Peak torque: 580N·m @ 1,200rpm – strong low-end torque for heavy digging in compacted soil/rock
  • Displacement: 6.4L – large displacement ensures consistent power output under continuous load
  • Emission compliance: Tier 2 / EU Stage II – suitable for emerging markets with relaxed emission regulations
  • Cold-start performance: Operational at -25°C with optional engine block heater; dust-proof air intake system for desert and mining environments
• Working Device & Performance Parameters
  • Standard bucket: 0.92m³ heavy-duty rock bucket (high-manganese steel, thickness 25mm; replaceable wear teeth and side cutters)
  • Max digging depth: 5,700mm – deep enough for 2-story basement excavation
  • Max digging radius: 9,000mm – extended reach for loading trucks from the side
  • Max dumping height: 6,000mm – compatible with 15-ton dump trucks
  • Bucket digging force: 135kN – strong penetration for breaking hard soil and weathered rock
  • Arm digging force: 102kN – reliable force for lifting and loading heavy materials
  • Boom length: 5,000mm; arm length: 2,500mm – optional long-reach boom (6,000mm boom + 3,000mm arm) for deep trenching
• Hydraulic System
  • Type: Open-center hydraulic system with priority flow control – ensures responsive operation of boom, arm, bucket, and swing
  • Main pump: 2× axial piston pumps; max flow rate: 2×185L/min – high flow for fast cycle times
  • Relief valve pressure: 31.4MPa – optimized pressure for balancing power and component durability
  • Swing system: Gear-type swing motor; swing speed: 11.5rpm; swing torque: 120kN·m – smooth and stable swing for precise loading
  • Travel system: Two-speed travel motors; low speed: 3.4km/h (high torque for rough terrain); high speed: 5.5km/h (fast relocation between job sites)
• Undercarriage
  • Track shoe width: 600mm (standard); optional 700mm wide shoes for low ground pressure (38kPa) in soft soil/wetland
  • Track ground contact length: 3,265mm – long contact length reduces ground pressure and improves stability on slopes
  • Track gauge: 2,200mm – wide track gauge for enhanced lateral stability during side-slope operation
  • Dozer blade: 2,200mm width, 450mm height – integrated dozer blade for grading, backfilling, and site leveling, eliminating the need for additional equipment
  • Undercarriage components: Sealed track rollers and idlers; lubricated track chains – reduces friction and extends service life to 8,000 hours in normal conditions
• Operator Cab
  • Safety certification: ROPS/FOPS Level II certified – protects operator from falling objects and rollover risks
  • Cab design: Sound-insulated and vibration-damped; internal noise level ≤75dB(A) – low noise for long-shift comfort
  • Controls: Pilot hydraulic joysticks with adjustable sensitivity; ergonomic layout – reduces operator fatigue during 8–12 hour workdays
  • Monitoring system: Analog/digital combination display – real-time monitoring of engine speed, fuel level, hydraulic temperature, and fault codes
  • Comfort features: Adjustable suspension seat with lumbar support; manual air conditioning (optional automatic climate control); large storage compartments for tools and personal items
  • Visibility: Front windshield with wiper/washer; wide-angle side mirrors; rearview camera (optional) – 360° visibility for safe operation in crowded job sites
• Fuel & Fluid Capacities
  • Fuel tank: 340L (90 US gal) – long operating range (12–15 hours per refueling under normal load)
  • Hydraulic oil tank: 120L – large capacity reduces oil temperature rise during continuous operation
  • Engine oil capacity: 19L (5.1 US gal); coolant capacity: 25L (6.6 US gal) – extended service intervals for oil and filter changes

Core Advantages (Expanded)

1. Unmatched Durability & Reliability for Harsh Environments

• Heavy-Duty Structural Design
  • Boom and arm: Welded with high-strength steel plates (yield strength ≥550MPa); critical stress points reinforced with additional steel patches – resistant to cracking and deformation under heavy load
  • Main frame: Box-type welded structure with thickened side plates – withstands impact from rocks and uneven terrain
  • Bucket: High-manganese steel construction (Mn13) – wear resistance is 3 times higher than ordinary steel; replaceable wear teeth and side cutters reduce maintenance costs
• Protective Components
  • Bottom guard: Steel plate guard covers engine, hydraulic pump, and valve bank – prevents damage from falling rocks and debris
  • Hydraulic hose protection: Hoses routed through steel tubes or protected by rubber sleeves – reduces wear and tear, preventing hydraulic oil leaks
  • Cooling system: Large-capacity radiator and oil cooler with dust screens – efficient heat dissipation; easy to clean for dusty environments
• Proven Component Reliability
  • Cat 3066T engine: Service life of 15,000+ hours before major overhaul; global popularity ensures easy access to replacement parts
  • Hydraulic components: CAT proprietary pumps and valves – tested for 10,000 hours of continuous operation; low failure rate

2. High Productivity & Efficient Operation

• Fast Cycle Times
  • The combination of high-flow hydraulic system and optimized working device geometry reduces digging-loading cycle time by 10% compared to peer models – handles 120–150 bucket loads per hour under normal conditions
  • Priority flow control ensures that the swing and travel systems do not interfere with the operation of the boom, arm, and bucket – improves operational efficiency
• Strong Digging & Lifting Performance
  • 135kN bucket digging force easily breaks compacted soil and weathered rock; no need for additional breakers for light rock breaking tasks
  • Maximum lifting capacity: 5,200kg at 3m radius – capable of lifting and placing precast concrete components and steel structures
• Fuel Efficiency Optimization
  • The Cat 3066T engine’s fuel injection system is optimized for low fuel consumption: 18–22L/h under medium load – 5–8% lower fuel consumption than similar models, reducing annual operating costs by $1,500–$2,000 (based on 2,000 working hours per year)

3. Operator Comfort & Safety (Enhanced)

• Ergonomic Cab Design
  • Spacious interior with ample legroom and headroom – suitable for operators of all statures
  • Adjustable suspension seat with weight adjustment function – reduces vibration transmission to the operator’s body
  • Centralized control layout: All frequently used buttons (horn, wiper, work light, travel speed switch) are within easy reach – minimizes operator movement
• Comprehensive Safety Features
  • Emergency stop button: Located on both the console and the outside of the cab – can be activated quickly in case of emergency
  • Travel alarm: Audible alarm when the machine is moving – alerts nearby personnel to avoid accidents
  • Overload protection: Hydraulic system automatically limits lifting force when exceeding the rated capacity – prevents tipping and component damage
  • Anti-slip steps and handrails: Ensure safe entry and exit of the cab, even in rainy or muddy conditions

4. Easy Maintenance & Low Total Cost of Ownership

• Simplified Maintenance Access
  • Engine hood: Large opening angle (90°) for full access to engine, air filter, fuel filter, and oil filter – no need for special tools for daily maintenance
  • Hydraulic components: Centralized layout of hydraulic valve bank and pumps – easy inspection and troubleshooting
  • Service intervals: Engine oil and filter change every 500 hours; hydraulic oil change every 2,000 hours; undercarriage lubrication every 100 hours – extended intervals reduce downtime and maintenance costs
• Global Parts & Service Support
  • CAT’s global network: 2,500+ authorized service centers and 100+ parts warehouses worldwide – spare parts delivery within 3–7 days for major markets, 7–15 days for remote areas
  • Common components: The Cat 3066T engine is widely used in various CAT equipment – high availability of spare parts and low replacement costs
  • High resale value: CAT 320B retains 35–45% of its original value after 5 years of use – far higher than the industry average, making it a cost-effective investment for rental fleets

5. Versatility & Attachment Compatibility

• Wide Range of Attachments
  • Earthmoving attachments: 0.8–1.2m³ general-purpose buckets, 1.5m³ heavy-duty rock buckets, tilt buckets for grading
  • Demolition attachments: Hydraulic breakers (100–150mm chisel diameter), hydraulic shears for cutting steel structures
  • Material handling attachments: Hydraulic grapples for wood/steel scrap, thumb buckets for grabbing irregular materials
  • Specialized attachments: Augers (300–800mm diameter) for pile drilling, compactors for trench backfill compaction
• Quick Coupler System: Optional hydraulic quick coupler – allows attachment changes in 2–3 minutes without leaving the cab, minimizing downtime between different tasks

Typical Application Scenarios (Detailed)

• Urban Construction Projects
  • Foundation excavation for mid-rise residential buildings, commercial complexes, and industrial workshops
  • Trenching for underground pipelines (water supply, drainage, gas, electricity, communication cables) – compatible with narrow trench buckets for precision work
  • Demolition of old buildings and structures – paired with hydraulic breakers and shears for efficient dismantling
• Road & Bridge Construction
  • Roadbed excavation and embankment filling for highways and rural roads
  • Bridge abutment and pier foundation excavation – stable operation ensures precise positioning of concrete formwork
  • Slope cutting and stabilization for road construction in mountainous areas – high stability on side slopes up to 30°
• Mining & Quarry Operations
  • Overburden removal and ore loading in small-scale open-pit mines and quarries
  • Crushing plant feeding – fast cycle times ensure continuous material supply to crushers
  • Waste rock stacking – extended reach reduces the need for machine relocation
• Land Reclamation & Agricultural Projects
  • River dredging and channel excavation for irrigation projects
  • Land leveling and terrace construction for agricultural development
  • Wetland restoration and pond excavation – optional wide track shoes reduce ground pressure and protect the ecological environment

Foreign Trade Service Guarantee (Tailored for Global Clients)

1. Customization Options for Target Markets
   • Climate adaptation: Cold-climate package (engine block heater, battery warmer, cab insulation) for Nordic/Russian markets; hot-climate package (enhanced radiator, cab sunshade, high-capacity air conditioning) for Middle East/African markets
   • Terrain adaptation: Wide track shoes for soft soil; reinforced undercarriage for rocky terrain; desert filters for dusty environments
   • Documentation customization: Multilingual operation manuals (English, Spanish, Arabic, French, Russian); parts catalogs in local languages
2. Comprehensive Inspection & Certification
   • Pre-shipment inspection: SGS/BV third-party inspection to verify equipment condition, specifications, and compliance with export standards
   • Export certifications: Certificate of Origin (CO), CE certification for EU markets, emission compliance reports, customs clearance documents (commercial invoice, packing list, bill of lading)
   • Import support: Assistance with obtaining import permits and customs clearance in target countries; coordination with local agents for delivery and installation
3. Warranty & Training Services
   • Warranty: 1-year global warranty for core components (engine, hydraulic system, undercarriage); 6-month warranty for non-core components
   • Training: Free on-site operator and maintenance training in local languages – covers safe operation, daily inspection, basic fault diagnosis, and attachment use
   • Technical support: 24/7 online technical support via WhatsApp/email/phone – experienced engineers provide remote troubleshooting and guidance
4. Spare Parts & After-Sales Support
   • Consignment stock service: For bulk buyers (contracting firms, rental fleets), we offer consignment stock of common spare parts (filters, bucket teeth, hydraulic hoses) in target markets – ensures immediate access to replacement parts
   • On-site service: Optional on-site maintenance contracts – CAT authorized technicians provide regular inspection and maintenance to maximize equipment uptime
   • Extended warranty: Available extended warranty packages (2–3 years) for clients seeking long-term peace of mind

Why Choose CAT 320B?

The CAT 320B is more than just a medium excavator – it is a proven workhorse that combines CAT’s century-long engineering expertise with practical adaptability to diverse global job sites. Its robust Cat 3066T engine delivers reliable power for heavy tasks, while the high-flow hydraulic system ensures fast cycle times and high productivity. The ROPS/FOPS certified cab prioritizes operator safety and comfort, reducing fatigue during long shifts. With easy maintenance access, a global service network, and versatile attachment compatibility, the CAT 320B minimizes downtime and maximizes return on investment. Whether for urban construction, road building, mining, or agricultural projects, the CAT 320B is the ideal choice for contractors and rental fleets seeking a durable, efficient, and cost-effective medium excavator.

Contact Us

For real-time quotes for new/used CAT 320B excavators, attachment customization, or bulk purchase discounts, contact our dedicated foreign trade sales team. We offer flexible payment terms (LC, TT, DP) and door-to-door delivery services to global destinations. For rental fleet operators, we provide customized maintenance contracts and spare parts consignment stock solutions to optimize your operational efficiency.