CAT 306D 6-Ton Mini 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 construction, landscaping, and utility sectors across North America, Europe, the Middle East, Africa, and Southeast Asia. Trusted by small contractors, rental fleets, and government agencies, CAT machinery is engineered to thrive in extreme operating conditions, delivering consistent productivity and long-term value.Model: CAT 306D – A 6-ton mini hydraulic excavator built for versatility, maneuverability, and ease of transport. Powered by the proven Mitsubishi 4M40 turbocharged diesel engine and a robust hydraulic system, it delivers reliable power, precise control, and operator comfort. Ideal for urban construction, landscaping, utility trenching, and agricultural projects, the CAT 306D excels in confined spaces where larger machines cannot operate.

Core Technical Specifications (Detailed)

• Operating Weight: 5,775kg (12,732 lbs) – compact size for easy transportation on a standard trailer
• Engine Performance
  • Model: Mitsubishi 4M40 4-cylinder turbocharged diesel engine
  • Rated Power: 41kW (55 HP) @ 2,200rpm (ISO 9249)
  • Peak Torque: 186N·m @ 1,400rpm – strong low-end torque for efficient digging in compacted soil
  • Displacement: 2.8L – fuel-efficient design suitable for long working hours
  • Emission Compliance: Tier 3 / Stage IIIA – suitable for most global markets
  • Cold-Start Performance: Equipped with glow plugs for easy starting in cold weather (-15°C)
• Working Device & Performance
  • Standard Bucket: 0.22m³ general-purpose bucket (0.18–0.25m³ range available); max digging depth 3,500mm; max digging radius 5,980mm; max dumping height 4,240mm; bucket digging force 38.6kN; arm digging force 25.5kN
  • Boom & Arm: Standard boom with variable angle; optional long dipper stick for increased reach
  • Dozer Blade: 1,800mm width – standard equipment for grading, backfilling, and stabilizing the machine during digging
• Hydraulic System
  • Type: Open-center hydraulic system with priority flow control – ensures responsive operation of boom, arm, bucket, and swing
  • Main Pump: Gear pump; max flow rate: 85L/min
  • Relief Valve Pressure: 24.5MPa – optimized for fuel efficiency and component durability
  • Swing System: Gear-type swing motor; swing speed 8.8rpm – smooth rotation for precise positioning
  • Travel System: Two-speed travel motors; low speed: 2.8km/h (high torque for rough terrain); high speed: 4.8km/h (fast relocation between job sites)
• Undercarriage
  • Track Shoe Width: 300mm (standard); optional rubber tracks for operation on paved surfaces without damage
  • Track Ground Contact Length: 1,650mm – provides stability and traction on uneven ground
  • Track Gauge: 1,500mm – narrow profile for easy access through gates and tight spaces
• Operator Cab
  • Safety Certification: ROPS/FOPS certified; optional enclosed cab with heating/air conditioning
  • Controls: Pilot hydraulic joysticks with low effort; ergonomic layout reduces operator fatigue
  • Monitoring System: Digital display showing engine speed, fuel level, coolant temperature, and hour meter
  • Visibility: Large front and side windows; rearview mirrors; excellent visibility to the attachment and working area
• Fuel & Fluid Capacities
  • Fuel Tank: 135L (35.6 US gal) – long operating range (10–12 hours per refueling)
  • Hydraulic Oil Tank: 65L – efficient cooling system maintains optimal oil temperature
  • Engine Oil Capacity: 10L (2.6 US gal); coolant capacity: 15L (4.0 US gal)

Core Advantages (Expanded)

1. Exceptional Maneuverability & Transportability

• Compact Design: With a width of just 1.96 meters and a height of 2.59 meters, the 306D can easily pass through standard doorways, gates, and narrow alleys in urban areas.
• Easy Transport: The 5.7-ton weight allows it to be transported on a standard light-duty trailer without requiring special permits, reducing logistics costs for contractors and rental companies.
• Zero-Tail Swing: The compact tail swing design ensures that the rear of the machine stays within the width of the tracks during rotation, minimizing the risk of collision with obstacles in tight spaces.

2. Reliable Power & Fuel Efficiency

• Proven Engine: The Mitsubishi 4M40 engine is renowned for its durability and low fuel consumption. It delivers 41kW of power, ensuring efficient performance for digging, lifting, and loading tasks.
• Efficient Hydraulics: The open-center hydraulic system with priority flow control ensures that the machine uses only the necessary power for the task at hand, resulting in lower fuel bills and reduced emissions.
• Smooth Operation: The combination of the responsive hydraulic system and the comfortable pilot controls allows for precise operation, making it easy for operators of all skill levels to achieve high productivity.

3. Durability & Low Maintenance Costs

• Heavy-Duty Construction: The boom and arm are constructed with high-strength steel, and critical stress points are reinforced to withstand the rigors of daily use.
• Easy Maintenance Access: The engine hood opens wide to provide easy access to the air filter, fuel filter, and oil dipstick. Routine maintenance tasks can be completed quickly, minimizing downtime.
• Long Service Life: CAT components are built to last, and with proper maintenance, the 306D can provide many years of reliable service, making it a cost-effective investment.

4. Operator Comfort & Safety

• Spacious Cab: The optional enclosed cab offers a comfortable working environment with heating and air conditioning, allowing operators to work efficiently in all weather conditions.
• Ergonomic Controls: The pilot joysticks are positioned to reduce arm fatigue, and the adjustable seat ensures a comfortable fit for operators of all sizes.
• Excellent Visibility: The large glass area and strategically placed mirrors provide a clear view of the attachment and the surrounding area, enhancing safety on the job site.
• Safety Features: ROPS/FOPS certification protects the operator in case of a rollover or falling objects. The machine also features an emergency stop button and a travel alarm.

5. Versatility & Attachment Compatibility

• Wide Range of Attachments: The 306D is compatible with a variety of attachments, including:
  • Buckets: General-purpose, heavy-duty, narrow trench, and grading buckets
  • Hydraulic Breakers: Ideal for breaking concrete, asphalt, and rock
  • Augers: Used for drilling holes for fence posts, trees, and foundations
  • Grapples: For handling logs, brush, and demolition debris
  • Plate Compactors: For compacting soil in trenches and foundations
• Quick Coupler System: An optional hydraulic quick coupler allows operators to change attachments in a matter of minutes without leaving the cab, increasing efficiency and versatility.

Typical Application Scenarios (Detailed)

• Urban Construction & Renovation: Excavating basements and foundations for small buildings, digging utility trenches for water, gas, and electrical lines, and demolishing small structures.
• Landscaping & Agriculture: Creating ponds and lakes, grading lawns and golf courses, digging irrigation ditches, and clearing land for farming.
• Road & Infrastructure Maintenance: Repairing potholes, digging trenches for underground cables, and cleaning ditches along roadsides.
• Rental Fleet Operations: Due to its compact size, ease of use, and versatility, the 306D is a popular choice for rental companies serving homeowners, small contractors, and municipalities.

Foreign Trade Service Guarantee (Tailored for Global Clients)

1. Customization Options for Target Markets
   • Climate Adaptation: Cold-climate package (engine block heater, battery warmer) for Nordic/Russian markets; hot-climate package (enhanced cooling system, high-capacity air conditioning) for Middle East/African markets.
   • Terrain Adaptation: Rubber tracks for urban and paved surfaces; steel tracks with grousers for rough terrain and construction sites.
   • Documentation Customization: Multilingual operation manuals (English, Spanish, Arabic, French, Russian); parts catalogs in local languages.
2. Comprehensive Inspection & Certification
   • Pre-Shipment Inspection: Third-party inspection by SGS/BV to verify equipment condition, specifications, and compliance with export standards.
   • Export Certifications: Certificate of Origin (CO), CE certification for EU markets, emission compliance reports, and 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
   • Global Parts Network: CAT has a vast network of parts warehouses worldwide, ensuring that spare parts are available in major markets within 3–7 days and in remote areas within 7–15 days.
   • Consignment Stock: For bulk buyers (rental fleets, construction companies), we offer consignment stock of common spare parts (filters, bucket teeth, hydraulic hoses) in target markets.
   • On-Site Service: Optional on-site maintenance contracts – CAT authorized technicians provide regular inspection and maintenance to maximize equipment uptime.

Why Choose CAT 306D?

The CAT 306D is a compact yet powerful mini excavator that offers the perfect balance of performance, durability, and versatility. Its small size makes it ideal for working in tight spaces, while its powerful engine and hydraulic system ensure that it can handle a wide range of tasks. Backed by CAT’s global service network and high resale value, the 306D is an excellent investment for contractors, landscapers, and rental companies looking to maximize their productivity and profitability.

Contact Us

For real-time quotes for new/used CAT 306D 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. Our team of export specialists will provide you with comprehensive support from equipment selection to after-sales service.