Operating Weight: The operating weight of the CAT 390 excavator is around 83,700 kg.
Bucket Capacity: It usually has a bucket capacity ranging from 4.5 m³ to 6.0 m³, depending on the type of bucket selected.
Performance Parameters
Swing Speed: The swing speed is approximately 7.5 rpm, which allows for relatively efficient rotation during operation.
Travel Speed:
High Speed: It can reach a high travel speed of about 5.0 km/h, enabling faster movement on the job site.
Low Speed: The low travel speed is around 3.0 km/h, providing more power and control when needed.
Gradeability: It has a gradeability of around 55% (equivalent to an angle of about 28.8°), which indicates its ability to climb slopes.
Bucket Digging Force: The bucket digging force is typically around 420 kN, showing its strong power in excavating with the bucket.
Arm Digging Force: The arm digging force is about 340 kN, helping in digging and manipulating materials effectively with the arm.
Power System
Engine Model: Commonly, it is equipped with a powerful engine, such as the Cat C18 ACERT.
Rated Power: The rated power of the engine is usually around 405 kW at a certain engine speed, providing sufficient power for various operations.
Displacement: The engine displacement is relatively large, which might be around 18.1 L, contributing to its high performance.
Dimensions
Overall Transport Length: The overall transport length of the excavator is about 13,450 mm.
Overall Transport Width: The overall transport width is approximately 4000 mm.
Overall Transport Height: It has an overall transport height of around 3700 mm.
Cab Height: The height of the cab is about 3200 mm, providing a comfortable working environment for the operator.
Track Gauge: The track gauge is around 3190 mm, affecting the stability of the excavator.
Minimum Ground Clearance: The minimum ground clearance is approximately 550 mm, ensuring that the excavator can operate on uneven terrains without getting stuck easily.
Oil Capacities
Fuel Tank Capacity: The fuel tank has a capacity of around 1200 L, allowing for longer operation times before refueling.
Hydraulic Tank Capacity: The hydraulic tank capacity is about 350 L, which is essential for the hydraulic system's proper functioning.
Operating Range
Maximum Digging Radius: The maximum digging radius can reach approximately 15,300 mm, enabling the excavator to reach far distances for excavation.
Maximum Digging Depth: It has a maximum digging depth of around 9100 mm, facilitating deep excavation tasks.
Maximum Digging Height: The maximum digging height is about 12,800 mm, useful for loading materials at higher positions.
Maximum Dumping Height: The maximum dumping height is approximately 8900 mm, allowing for efficient material unloading.
Maximum Vertical Digging Depth: The maximum vertical digging depth is around 7200 mm, which is important for vertical excavation operations.