حفارة مجنزرة Caterpillar 349EL

The Caterpillar 349E is a large crawler excavator designed for heavy-duty excavation and earthmoving applications. Here's a detailed introduction:
Engine Performance
Powerful: Equipped with a Cat C13 ACERT engine, delivering 396 net horsepower (295 kW) and a total displacement of 12.5L, it provides ample power for the excavator in a variety of challenging working conditions.
Environmentally Friendly: Utilizing the Cat Clean Emissions Module (CEM), it meets US EPA Tier 4 interim emission standards, effectively reducing harmful emissions.
Fuel Efficiency: Features include a variety of fuel-saving features, including an engine idle shutdown function, one-touch idle control, constant speed control, and an "Economy" power mode. Regeneration valves in both the boom and digger arm circuits recover hydraulic energy, reducing fuel consumption. Hydraulic System
Flow and Pressure: The main system has a maximum flow of 203 gallons per minute (approximately 768 liters per minute), the pilot system has a maximum flow of 7.1 gallons per minute, and the main system has a maximum pressure of 5076 psi (approximately 35.0 MPa). The travel hydraulic circuit has a maximum pressure of 5076 psi, and the swing hydraulic circuit has a maximum pressure of 3989 psi, providing ample power and precise control for digging operations.
Swing Performance: The swing drive hydraulic oil capacity is 2.6 gallons, the swing torque is 109,500 lb-ft, and the swing speed is 8.7 rpm, enabling fast movement and flexible swinging in complex terrain.
Operating Performance
Digging Depth and Height: The maximum digging depth reaches 8.18 meters, and the maximum horizontal digging reach is 12.12 meters, adapting to various digging scenarios. Travel Performance: With a travel speed of 2.9-5.6 km/h, a maximum grade of 35 degrees, and a maximum traction force of approximately 137,400 pounds, the machine can operate stably in a variety of terrain conditions.
Operating Weight and Bucket Capacity: Operating weight ranges from 47,800 kg to 53,297 kg. The machine can be equipped with a suitable bucket to meet different operating requirements, with bucket capacities typically ranging from 2.0 cubic meters to 3.2 cubic meters, meeting the excavation needs of large-scale projects.
Operator Comfort
Comfortable Cab: The spacious and comfortable cab is equipped with air conditioning and low-noise features, providing a comfortable working environment for the operator.
Easy Operation: The machine is equipped with an advanced operating system and human-machine interface for easy operation, providing real-time monitoring and fault diagnosis functions to enhance work efficiency and safety.
Easy Maintenance
Easy Maintenance: Long-life filters and lubricants ensure long maintenance intervals, reducing maintenance frequency and costs. Furthermore, the machine's maintenance points are strategically located for easy daily inspection and maintenance. Efficient fault diagnosis: The advanced fault diagnosis system can monitor the operating status of the equipment in real time, detect and diagnose faults in a timely manner, and provide detailed fault information and solutions to reduce downtime.