卡特 312 D

# CAT 312D Crawler Excavator Specifications Model: CAT 312D Operating Weight: 12000 kg Bucket Capacity: 0.52 m³ Transport Dimensions (L×W×H): 7540 × 2490 × 2830 mm Track Shoe Width: 500 mm Travel Speed (High/Low): 5.0 / 3.2 km/h Swing Speed: 11.5 rpm Bucket Digging Force: 83 kN Arm Digging Force: 72 kN Max Digging Depth: 5500 mm Max Digging Radius: 8270 mm Max Dumping Height: 5640 mm ## Engine Engine Model: Cat C4.4 ACERT Rated Net Power: 66 kW / 2000 rpm Emission Standard: Tier 3 / Euro Stage IIIA Displacement: 4.4 L ## Hydraulic System Main Pump Type: Variable displacement piston pump Main Pump Flow: 120 L/min Relief Pressure: 305 bar Auxiliary Hydraulic Flow: 68 L/min