حفارة مجنزرة Doosan DH300LC-7

Engine
• Manufacturer & Model: Doosan DB58T
• Type: Turbocharged, Intercooled Diesel Engine
• Displacement: 5.8 liters
• Net Power (ISO 9249): 166 kW / 223 hp
• Gross Power (SAE J1995): 169 kW / 227 hp
• Emission Compliance: Tier 4 Final / EU Stage IV (using SCR-only technology, no DPF)
Weights
• Operating Weight: Approximately 29,700 kg (65,480 lb) - This is for a standard configuration and can vary with attachments and counterweight.
Performance
• Travel Speed:
◦ Low: 0-3.3 km/h (0-2.1 mph)
◦ High: 0-5.5 km/h (0-3.4 mph)
• Gradeability: 70% (35°)
• Swing Speed: 0-9.5 rpm
• Drawbar Pull: 259 kN (58,225 lbf)
Hydraulic System
• Main Pump Type: Variable displacement axial piston pump x 2
• Main Relief Valve Pressure: 350 bar (5,076 psi)
• Pilot Relief Valve Pressure: 40 bar (580 psi)
• Total Hydraulic Flow: 2 x 267 L/min (2 x 70.5 US gpm)
Dimensions
• Transport Length: ~10,640 mm (34' 11")
• Transport Width: ~3,190 mm (10' 6")
• Transport Height (to top of cab): ~3,240 mm (10' 8")
• Ground Clearance: ~500 mm (1' 8")
Undercarriage
• Type: Crawler (Long Undercarriage - LC)
• Shoe Width: Common sizes are 600 mm (24") or 700 mm (28").
• Track Gauge: 2,590 mm (8' 6")
• Length of Track on Ground: 4,340 mm (14' 3") - The long track length is a key feature of the LC model, providing exceptional stability.
Capacities
• Fuel Tank: 500 liters (132 US gal)
• Hydraulic Oil Tank (including lines): ~290 liters (77 US gal)
• Engine Crankcase: 22 liters (23 US qt)
• Swing Drive: 12 liters (12.7 US qt) each
Excavation Forces (with standard arm)
• Bucket Digging Force: 203 kN (45,635 lbf)
• Arm Digging Force: 152 kN (34,170 lbf)