حفارة مجنزرة Caterpillar 305.5E2

Engine
Model: Cat C2.4 DI (4-cyl, turbocharged, direct injection)
Net Power: 32.9 kW (44.1 hp) @ 2200 rpm (ISO 9249)
Gross Power: 34.1 kW (45.7 hp) (SAE J1995)
Displacement: 2.4 L (146 in³)
Bore × Stroke: 87 mm × 102.4 mm
Emission: Tier 4 Interim / Stage IIIA
Weight & Dimensions
Operating Weight: 5,423 kg (11,958 lb) (cab, rubber tracks, bucket)
Standard Bucket Capacity: 0.22 m³ (0.29 yd³)
Boom Length: 3,200 mm
Arm Length: 1,500 mm
Transport Length: 5,100 mm
Transport Width: 1,980 mm
Transport Height: 2,550 mm
Track Shoe Width: 300 mm (rubber)
Ground Pressure: 33 kPa (4.8 psi)
Digging Performance
Max Digging Depth: 3,870 mm (152 in)
Max Horizontal Reach: 5,955 mm (19.5 ft)
Max Digging Height: 5,460 mm (17.9 ft)
Max Dumping Height: 3,835 mm (12.6 ft)
Bucket Digging Force: 35 kN
Arm Digging Force: 27.2 kN
Hydraulic System
Main Pumps: Variable displacement piston pump (load-sensing)
Max Flow: 140 L/min (37 gal/min)
System Relief Pressure: 24.5 MPa (3,550 psi)
Hydraulic Tank Capacity: 85 L (22.5 gal)
Travel & Swing
Travel Speed (Low/High): 2.8 / 4.5 km/h (1.7 / 2.8 mph)
Swing Speed: 10 rpm
Gradeability: 50% (27°)
Swing Radius (Tail): 1,480 mm (compact radius)
Capacities
Fuel Tank: 78 L (20.6 gal)
Engine Oil: 8 L (2.1 gal)Cat
Coolant: 10 L (2.6 gal)Cat
Key Features
Compact CR (Compact Radius) design for tight jobsites
Cat C2.4 DI engine, fuel-efficient & reliable
Load-sensing hydraulic system for smooth, fast cycles
ROPS/FOPS cab with suspension seat
Ideal for landscaping, utilities, residential construction