حفارة متوسطة الحجم Komatsu PC138

I. Engine Specifications
Model: Komatsu SAA4D95LE-5 Inline 4-Cylinder Turbocharged Diesel Engine
Displacement: 3.26 L
Rated Power:
Gross Power: 72.1 kW / 96.6 HP @ 2200 rpm
Net Power: 68.4 kW / 91.7 HP @ 2200 rpm
Emission Standard: Tier 3 (Euro Stage III)
Cooling System: Water-cooled
II. Operating Weight & Dimensions
Operating Weight: 13,480 – 13,850 kg
Overall Length: 7,160 mm (with 3.0 m boom)
Overall Width: 2,490 mm
Overall Height: 2,850 mm
Tail Swing Radius: 1,480 mm (4.86 ft) (key advantage of zero-tail-swing design)
Minimum Ground Clearance: 390 mm
Track Length: 3,610 mm
Track Width:
Standard: 500 mm
Optional: 600 mm
III. Working Range (Standard Arm Configuration)
Maximum Digging Depth: 5,900 mm
Maximum Vertical Digging Depth: 5,340 mm
Maximum Digging Radius: 8,270 mm
Maximum Digging Height: 8,710 mm
Maximum Dumping Height: 6,170 mm
Minimum Swing Radius: 2,640 mm
IV. Working Equipment
Boom Length: 4,600 mm
Arm Length: 2,100 / 2,500 / 3,000 mm (optional)
Bucket Capacity: 0.18 – 0.60 m³ (standard: 0.45 m³)
Bucket Digging Force: 95.6 kN
Arm Digging Force: 69.4 kN
V. Performance Specifications
Travel Speed:
Low: 2.8 km/h
High: 5.0 km/h
Swing Speed: 11.0 rpm
Gradeability: 30° (58%)
Ground Pressure:
With 500 mm tracks: 47.1 kPa
With 600 mm tracks: 40.4 kPa
Drawbar Pull: 125.0 kN
VI. Hydraulic System
Main Pump Type: 2 × Variable Displacement Piston Pumps
Main Pump Flow: 2 × 134 L/min
System Pressure: 31.4 MPa
Pilot Pump Flow: 14.5 L/min
Hydraulic Tank Capacity: 69 L
VII. Fluid Capacities
Fuel Tank: 195 L
Engine Oil: 11 L
Hydraulic System: 118 L
Cooling System: 12 L
Swing Mechanism: 3 L
VIII. Undercarriage
Travel Frame: X-type box structure
Carrier Rollers: 1 per side
Track Rollers: 7 per side
Track Pads: 43 per side
Tension Mechanism: Hydraulic spring tension