履带式挖掘机 Caterpillar 374

# Cat 374 Next Generation Hydraulic Excavator

**Standard Spec: 7.0m Boom + 3.0m Stick, 650mm track shoes, 5.0 m³ Standard Bucket (Export Tier3 Version)**
## Engine
- Model: Cat C15 Diesel Engine
- Net Power (ISO 9249): **358 kW (480 hp) @ 1800 rpm**
- Gross Power (ISO 14396): 362 kW (485 hp)
- Displacement: 15.2 L
- Emission: Tier 3 / Tier4 Final available

## Operating Weight
- Operating Weight: **74,500 kg**

## Bucket
- Standard Bucket Capacity: **5.0 m³**
- Bucket Digging Force (ISO): 405 kN
- Stick Digging Force (ISO): 352 kN

## Hydraulic System
- Max Total Pump Flow: 896 L/min
- Working Pressure: 37,000 kPa
- Lift Mode Pressure: 38,000 kPa

## Working Ranges (7.0m Boom + 3.0m Stick)
- Maximum Digging Depth: **7,660 mm**
- Maximum Vertical Wall Digging Depth: 3,710 mm
- Maximum Reach at Ground Level: **11,470 mm**
- Maximum Cutting Height: 11,000 mm
- **Maximum Dumping Height (Maximum Loading Height): 7,050 mm**

## Travel & Swing
- Swing Speed: 6.56 rpm
- Max Travel Speed: 4.5 km/h
- Gradeability: 70% (35°)

## Transport Dimensions (For RO-RO & Customs Declaration)
- Overall Length: **12,978 mm**
- Overall Width: **3,400 mm**
- Overall Height: **3,559 mm**
Calculated envelope volume = 12.978 × 3.40 × 3.559 ≈ **156.7 CBM**
Practical shipping declaration: **157 CBM**

## Overall Dimension Data
- Tail Swing Radius: 4,171 mm
- Ground Clearance: 782 mm
- Track Length on Ground: 4,705 mm