卡特 349

# Cat 349 Hydraulic Excavator – Full Specifications (English) Based on official Caterpillar data for the current-generation Cat 349 hydraulic excavator (Next Gen), the following are the complete technical parameters in both metric and imperial units for clarity. ## Basic Parameters Item Unit Value :--- :--- :--- Operating Weight kg (lb) 47,700 (105,200) Bucket Capacity (General Purpose) m³ (yd³) 2.3–3.1 (3.0–4.0) Overall Dimensions (L×W×H) mm (ft×in) 10,340 × 3,190 × 3,500 (33'11" × 10'5" × 11'6") Tail Swing Radius mm (ft) 3,760 (12.3) Ground Clearance mm (in) 475 (18.7) Maximum Gradeability ° 35 ## Engine System Item Unit Value :--- :--- :--- Engine Model - Cat® C13 ACERT™ Net Power (ISO 9249) kW (hp) 316 (424) Gross Power (ISO 14396) kW (hp) 317 (425) Engine Speed (Operating) rpm 1,650 Bore × Stroke mm (in) 130 × 157 (5.1 × 6.2) Displacement L (in³) 12.5 (763) Emission Standards - EPA Tier 4 Final, EU Stage IV, Korea Tier 4 Final Fuel Tank Capacity L (gal) 715 (188.9) ## Performance Parameters Item Unit Value :--- :--- :--- Bucket Digging Force kN (lbf) 271 (60,900) Arm Digging Force kN (lbf) 244 (54,800) Travel Speed (High/Low) km/h (mph) 4.7 / 2.9 (2.9 / 1.8) Swing Speed rpm 8.7 Maximum Digging Radius mm (ft) 11,920 (39.1) Maximum Digging Depth mm (ft) 7,700 (25.3) Maximum Digging Height mm (ft) 10,050 (32.9) Maximum Dumping Height mm (ft) 7,420 (24.3) ## Hydraulic System Item Unit Value :--- :--- :--- Main Pump Maximum Flow L/min (gpm) 779 (206) Main Relief Valve Pressure MPa (psi) 35 (5,076) Swing System Pressure MPa (psi) 28 (4,060) Pilot System Pressure MPa (psi) 3.9 (565) ## Key Features - **High-Efficiency Hydraulics**: Large-displacement main pumps and optimized valve design for precise control and reduced energy loss. - **Smart Power Modes**: Power, Smart, and Eco modes to match engine/hydraulic output to load, improving fuel efficiency by up to 10%. - **Operator Comfort**: ROPS/FOPS certified cab with 360° visibility option, air suspension seat, and low-effort joystick controls. - **Low Maintenance**: Extended service intervals, ground-accessible service points, and easy-to-replace filters to reduce downtime. - **Durable Structure**: Reinforced undercarriage, heavy-duty booms/arms, and high-strength steel components for harsh working conditions.