

The Doosan DH300LC-7 is a crawler excavator that leads the way in key parameters. Its engine can output a maximum of 266.9 horsepower at 1800 rpm. The maximum flow of the hydraulic system is 76.1 gpm. The maximum swing torque of the swing mechanism is 87787.0 lbf·ft. The maximum tractive force of the travel system/drive mechanism is 77161 lbf. The operating weight of the excavator is 73413 pounds. According to ISO standards, the digging force is 44092 lbf.



The DH300LC has a travel speed range of 3.0-5.0Km/h. It has good maneuverability and can move quickly on different construction sites and adapt to various complex terrains.


DH300LC adopts variable displacement axial piston pump, the maximum flow of main pump is 2×246L/min, the main overflow setting pressure standard is 27.9MPa, and the boost pressure is 34.3MPa, which can ensure the stable oil supply and efficient operation of hydraulic system. The travel hydraulic circuit pressure is 32.5MPa, and the swing hydraulic circuit pressure is 27.9MPa.


The cab is spacious and comfortable, and is in line with ergonomics, providing a good operating environment for operators. The cab is also equipped with an air conditioning system, a convenient operating system and a variety of convenient systems, which can effectively reduce the labor intensity of operators and improve work efficiency.


The appearance adopts a curved design that keeps pace with the times, presenting a beautiful and generous shape. At the same time, it can make the machine run at a very low noise level, and the machine works extremely smoothly.
Technical Parameter

Model No | Dh300LC |
---|---|
Engine Power | 147kw |
Displacement | 8.07L |
Bucket Digging Force | 200kN |
Length*Width*Height | 10620*3200*3065mm |
Maximum Digging Depth | 7190mm |
Hydraulic Tank | 290L |
Working Weight | 30000kg |
Bucket Capacity | 1.27m³ |
Boom Length | 10000mm |
Stick Length | 7000mm |
Maximum Digging Radius | 10705mm |
Fuel Tank | 450L |
Rated power | 202kW |
Displacement | 7.64L |
Number of cylinders | 6 |
Cylinder bore × stroke | 108mm×139mm |
Maximum torque | 275N·m |
Revolutions at max torque | 1300rpm |
USED DOOSAN 300 EXCAVATOR VIDEO