The Hyundai 305LC-9S is a mid-sized, tracked hydraulic excavator designed to deliver reliable performance, fuel efficiency, and operator comfort for various heavy-duty tasks like construction, excavation, and material handling. It's part of Hyundai's 9-series of excavators and is built to handle demanding environments while maximizing productivity.

Here’s a detailed look at the Hyundai 305LC-9S:

Engine and Power

• Engine Model: Cummins QSB6.7-C (Turbocharged and Intercooled)
• Gross Power: Approximately 195 hp (145 kW) @ 2,000 rpm
• Net Power: Approximately 184 hp (137 kW) @ 2,000 rpm
• Displacement: 6.7 liters (409 in³)
• Fuel Tank Capacity: 400 liters (105.7 gallons)
• Emissions Compliance: Meets EU Stage IIIA and EPA Tier 3 emissions standards

The engine is designed to offer a strong balance of power and fuel efficiency, helping operators maintain high productivity while keeping fuel consumption in check.

Hydraulic System

• Main Pump Flow Rate: 2 x 225 L/min (2 x 59.4 gpm)
• Maximum Hydraulic Pressure:
  • Main system pressure: 34,300 kPa (4,975 psi)
  • Travel system pressure: 34,300 kPa (4,975 psi)
  • Swing system pressure: 24,500 kPa (3,558 psi)
• The 305LC-9S features a load-sensing hydraulic system that delivers high power and precise control, ensuring fast cycle times and smooth operations.

Performance and Operating Dimensions

• Operating Weight: Approximately 30,500 kg (67,200 lbs)
• Max Digging Depth: 6.3 meters (20.7 feet)
• Max Reach at Ground Level: 9.6 meters (31.5 feet)
• Max Loading Height: 6.6 meters (21.7 feet)
• Tail Swing Radius: 2.8 meters (9.2 feet)
• Ground Clearance: 0.4 meters (1.3 feet)

Bucket Size

The 305LC-9S excavator can be equipped with different bucket sizes depending on the application, but typical sizes range from:

• Standard Bucket Capacity: 1.0 m³ to 1.5 m³ (1.3 to 2.0 yd³)
• Larger buckets are available for heavier digging or material handling tasks.

Key Features

1. Powerful and Efficient Engine: The Cummins QSB6.7-C engine provides excellent fuel efficiency and power output, making it ideal for long working hours in demanding conditions.
2. Advanced Hydraulic System: The machine features a load-sensing hydraulic system which adjusts hydraulic flow based on load, improving efficiency and reducing fuel consumption.
3. Comfortable Operator Cab: The operator's cab is designed for comfort with:
   • Spacious, ergonomic layout
   • High-visibility glass for excellent sightlines
   • Air conditioning and a suspension seat for long shifts
   • Large color display for easy machine monitoring and diagnostics
4. Durability: The 305LC-9S is built with a robust frame and undercarriage designed to withstand tough environments and provide long service life.
5. Low Maintenance Costs: The 305LC-9S is designed with ease of maintenance in mind, featuring wide-opening engine compartments, easily accessible service points, and extended intervals between routine maintenance tasks.
6. Advanced Technology: It is equipped with an advanced monitoring system that provides real-time machine data, including fuel consumption, engine status, and operating hours. This helps increase productivity and reduce operating costs.
7. Safety Features: The machine is equipped with ROPS (Roll Over Protection System) and FOPS (Falling Object Protection System) for operator safety. Additionally, it features high-visibility lights for night operations.
8. Travel and Swing Performance: The 305LC-9S offers excellent travel and swing performance, ensuring fast cycle times and great maneuverability in tight spaces.

Applications

• Construction: The 305LC-9S is ideal for tasks like trenching, grading, lifting, and material handling in general construction projects.
• Excavation: Perfect for digging foundations, digging trenches, and excavating for pipes and cables.
• Demolition: The machine is compatible with hydraulic hammers and other attachments, making it suitable for demolition tasks.
• Landscaping and Urban Work: Its compact design and efficient hydraulic system make it perfect for landscaping projects and urban work in confined areas.

Technology

• Hyundai Hi-mate Telematics System: The 305LC-9S can be equipped with Hyundai’s Hi-mate telematics system, which allows for remote monitoring of the machine’s performance, fuel usage, location, and maintenance status. This helps operators and fleet managers track productivity and minimize downtime.

Operator Safety and Comfort

• Spacious Cabin: The cab is designed for enhanced comfort with an ergonomic layout, low-noise operation, and climate control systems.
• Easy-to-Use Controls: The controls are intuitive, reducing operator fatigue and increasing precision, especially during long operating hours.

Serviceability

• Convenient Access: The 305LC-9S has a wide-opening engine compartment, which allows for easy access to the engine, filters, and other components, making maintenance tasks quicker and easier.
• Extended Service Intervals: With features like high-efficiency filters and advanced diagnostics, this machine requires less frequent servicing, which helps reduce maintenance costs.

Safety

• ROPS and FOPS Certified: The cab is designed to meet the highest safety standards, offering protection in the event of a rollover or falling debris.
• LED Work Lights: High-powered LED lights are available for improved visibility during nighttime or low-light operations.

The Hyundai 305LC-9S is a solid, versatile choice for medium-duty tasks requiring a combination of power, efficiency, and operator comfort. It can tackle a wide range of applications, from general construction to more specialized tasks like demolition and material handling.