新履带式挖掘机 Caterpillar 320GX

# Cat® 320 GX Hydraulic Excavator

> Standard configuration: 5.7m Reach Boom + 2.7m Stick + GD Bucket, 600mm track shoes

## Engine
- Engine Model: Cat C4.4, single turbo
- Net Power (ISO 9249): 103.6 kW (139 hp)
- Gross Power (ISO 14396): 108 kW (145 hp)
- Displacement: 4.4 L

## Weight & Main Dimensions (Shipping dimension for breakbulk)
- Operating Weight: 20,400 kg (45,000 lb)
- Shipping Length: 9680 mm
- Shipping Width: 2980 mm
- Shipping Height (top of cab): 2960 mm
- Bucket Capacity (GD): 0.93 m³ (1.22 yd³)

## Hydraulic System
- Max Implement Flow: 429 L/min (113.4 gal/min)
- Max Pressure (Implement / Travel): 35,000 kPa (5,075 psi)
- Max Pressure (Swing): 25,000 kPa (3,625 psi)

## Swing Performance
- Swing Speed: 11.1 rpm
- Max Swing Torque: 74 kN·m

## Digging Performance
- Maximum Digging Depth: 6430 mm (21.1 ft)
- Bucket Digging Force (ISO): 136 kN
- Stick Digging Force (ISO): 106 kN

## Service Capacities
- Fuel Tank: 390 L
- Hydraulic Tank: 115 L
- Cooling System: 24.5 L