حفارة مجنزرة Volvo EC290BLC

1. Weights and Dimensions
• Operating Weight: Typically between 28,700 kg and 29,900 kg (63,300 - 65,900 lb), depending on configuration (arm, undercarriage, attachments).
• Transport Dimensions:
◦ Length: 10,550 mm (34 ft 7 in)
◦ Width: 3,190 mm (10 ft 6 in) - With 600mm shoes.
◦ Height: 3,350 mm (11 ft 0 in) - To top of cab.
2. Engine (Power & Emissions)
• Manufacturer & Model: Volvo D7D
• Emission Standard: Compliant with Tier 3 / Stage IIIA regulations. This was before the complex Tier 4 Final/Stage V systems, so it does not require a Diesel Particulate Filter (DPF) or Diesel Exhaust Fluid (DEF).
• Net Power: 173 kW (232 hp) @ 1,800 rpm. This engine was renowned for its high torque and fuel efficiency.
3. Hydraulic System
• Pumps: Two high-pressure, variable displacement axial piston pumps.
• Main Relief Valve Pressure: 35 MPa (5,076 psi)
• System Type: Featured Volvo's Load-Sensing Hydraulic System (CLSS) which automatically matches hydraulic flow and pressure to the demand, reducing waste and improving efficiency.
4. Performance
• Digging Forces:
◦ Bucket Digging Force: 210 kN (47,200 lbf)
◦ Arm Digging Force: 180 kN (40,500 lbf)
• Digging Reach: Up to 10,280 mm (33 ft 9 in)
• Digging Depth: Up to 7,190 mm (23 ft 7 in)
• Loading Height: Up to 7,080 mm (23 ft 3 in)
• Travel System:
◦ Speed: Two-speed (High/Low)
◦ Drawbar Pull: 267 kN (60,000 lbf)
◦ Gradeability: 70% (35°)
5. Capacities
• Fuel Tank: 480 Liters (127 US gal)
• Hydraulic Oil: ~215 Liters (57 US gal) (including system + tank)
• Swing System: ~28 Liters (7.4 US gal)
6. Undercarriage
• Shoe Widths: Available in various widths, with 600 mm (24 in) being a common standard.
• Track Gauge: 2,590 mm (8 ft 6 in)
• Length of Track on Ground: 3,840 mm (12 ft 7 in)