Doosan DX300
. Key features include an engine with a net power output around 271 HP, a maximum digging depth of approximately 7.95 meters (26 feet), and a maximum reach along the ground of around 11.24 meters (37 feet). The operating weight is typically around 30-33 metric tons.
Doosan DX300LC-7K (example model) Specifications:

Operating Weight: 30.3 metric tons (33.000 kg)
Engine: DL08V engine with 202 kW (271 HP) at 1800 rpm (SAE J1995)
Maximum Digging Depth: 7.95 meters
Maximum Reach along Ground: 11.24 meters
Bucket Capacity: 0.80 - 1.75 m³
Bucket Digging Force: 20 tons
Arm Digging Force: 12.4 tons
Transport Dimensions: Length: 10.765 meters, Width: 3.2 meters, Height: 3.495 meters
Track Width: 600 mm
Special Equipment: Air conditioning, diesel particulate filter, overload alert system