卡特 320 GC

# CAT 320GC Hydraulic Excavator — Specifications ### **Engine** - **Model**: Cat® C4.4 ACERT™ - **Net Power (ISO 9249)**: 109 kW (146 hp) @ 2,200 rpm - **Displacement**: 4.4 L (269 in³) - **Bore × Stroke**: 105 × 127 mm (4 × 5 in) - **Emissions**: EPA Tier 4 Final / EU Stage V - **Fuel Tank**: 345 L ### **Weights & Dimensions** - **Operating Weight**: 21,900 kg (48,300 lb) - **Transport Dimensions (L×W×H)**: 9,440 × 2,980 × 3,170 mm - **Track Width**: 2,380 mm - **Track Shoe (Standard)**: 790 mm (31 in) - **Tail Swing Radius**: 2,630 mm ### **Performance & Working Range** - **Max Digging Depth**: 6,630 mm (21.8 ft) - **Max Reach at Ground Level**: 9,970 mm - **Max Loading Height**: 6,580 mm - **Bucket Digging Force (ISO)**: 129 kN - **Stick Digging Force (ISO)**: 99 kN - **Swing Speed**: 11.6 rpm - **Bucket Capacity (Standard)**: 1.0 m³ (1.31 yd³) ### **Hydraulics** - **Main Pump Flow**: 442 L/min (116 gal/min) - **Max Pressure (Implement)**: 35,000 kPa (5,076 psi) - **Max Pressure (Travel)**: 34,300 kPa (4,974 psi) ### **Boom & Stick (Standard)** - **Boom**: 5.7 m (18 ft 8 in) - **Stick**: 2.9 m (9 ft 6 in)