حفارة مجنزرة Caterpillar 308DCR

# CAT 308D CR Excavator Specifications
Standard config: Cab, standard stick, 450mm track shoes, standard bucket, dozer blade

## 1. Machine Weight
- Operating Weight (Cab version): 7,850 kg (17,306 lb)
- Operating Weight (Canopy version): 7,400 kg

## 2. Overall Transport Dimensions
- Shipping Length: 5,810 mm
- Overall Width (Track outer): 2,320 mm
- Shipping Height (Cab top): 2,590 mm
- Track Gauge: 1,870 mm
- Track Shoe Width: 450 mm
- Track Ground Contact Length: 2,280 mm
- Minimum Ground Clearance: 385 mm
- Rear Swing Radius: 1,310 mm (Ultra-small tail swing)

## 3. Digging Performance (Standard Stick)
- Standard Bucket Capacity: 0.23 m³
- Max Digging Depth: 4,090 mm
- Max Vertical Wall Dig Depth: 2,990 mm
- Max Ground Reach: 6,340 mm
- Max Dump Height: 4,640 mm
- Bucket Breakout Force: 52.1 kN
- Stick Breakout Force: 41.3 kN
- Swing Speed: 10.6 rpm

## 4. Engine System
- Engine Model: Mitsubishi 4M40-TL 4-cylinder diesel
- Net Power (SAE J1349): 41.5 kW / 56.5 hp @ 2,200 rpm
- Displacement: 2.83 L
- Cooling: Water cooled

## 5. Travel & Gradeability
- Low Travel Speed: 2.5 km/h
- High Travel Speed: 5.0 km/h
- Max Gradeability: 35°

## 6. Hydraulic & Fluid Capacities
- Hydraulic System Type: Load-sensing variable displacement pump
- Main System Pressure: 250 bar
- Fuel Tank Volume: 125 L
- Hydraulic Tank Volume: 94 L
- Engine Oil Capacity: 12.5 L
- Coolant Volume: 15.7 L

## 7. Dozer Blade
- Blade Width: 2,320 mm
- Max Blade Lift Height: 370 mm
- Max Blade Dig Depth: 407 mm