卡特 320 D

# CATERPILLAR 320D Hydraulic Excavator Specification ## 1. Basic Machine Data - Model: CAT 320D Standard Track Hydraulic Excavator - Standard Operating Weight: 19700 kg (Standard Undercarriage) / 21000 kg (Long Track 320CL) - Standard Heaped Bucket Capacity: 0.8 m³ - Standard Track Shoe Width: 600 mm (Optional:700/800mm triple grouser) - Standard Counterweight Mass: 4810 kg ## 2. Engine System - Engine Brand: CATERPILLAR - Engine Model: CAT 3066T ATAAC (Turbocharged & Aftercooled) - Engine Type: Water-cooled, 4-stroke, In-line 6-cylinder direct injection diesel engine - Displacement: 6.37 L (6370 cc) - Rated Net Power (ISO 9249): 103 kW / 1800 rpm (138 HP) - Gross Power: 107 kW / 1800 rpm (143 HP) - Max Torque: Not specified - Fuel Tank Volume: 400 L - Fuel Consumption: 7.0 ~ 9.0 L/h ## 3. Hydraulic & Travel Performance - Main Pump: 2 variable displacement piston pumps - Max Main Pump Total Flow: 205 L/min - Max Auxiliary Hydraulic Flow: 41 L/min (Pilot circuit) - Main System Relief Pressure: 34.3 MPa (Travel & Implement) / 26 MPa (Swing) - Travel Speed (High / Low): 5.5 km/h / 3.1 km/h - Swing Speed: 11.5 rpm - Max Bucket Digging Force: 132 kN - Max Arm Crowding Force: 99 kN - Gradeability: 58% (30°) - Ground Contact Pressure (600mm track): 48.02 kPa ## 4. Working Range Dimensions (Unit: mm) - Max Digging Depth: 6720 mm - Max Vertical Wall Digging Depth: 5440 mm - Max Ground Digging Reach: 9350 mm - Max Dumping Height: 6770 mm - Max Cutting Height: 10850 mm ## 5. Overall Transport Dimensions (L × W × H, mm) - Overall Transport Length: 9390 mm - Overall Transport Width: 2800 mm - Overall Height (Cab Top): 3050 mm