卡特 349 D

### CAT 349D (349D ) – Specifications (Standard configuration, Tier 3 / EU Stage IIIA) #### 1. General - **Model**: CAT 349D - **Type**: Hydraulic Excavator - **Operating Weight**: **46,285 kg** - **Counterweight**: **9,200 kg** - **Bucket Capacity (Standard)**: **2.1–2.5 m³** - **Emission Standard**: **Tier 3 / EU Stage IIIA** #### 2. Engine - **Manufacturer**: Caterpillar - **Model**: **C13 ACERT** - **Type**: 6-cylinder, turbocharged, intercooled diesel - **Displacement**: **12.5 L** - **Rated Power (ISO 9249)**: **283 kW @ 1,800 rpm (380 hp)** - **Fuel Tank Capacity**: **620 L** #### 3. Hydraulic System - **Main Pumps**: 2 × variable displacement piston pumps - **Max Flow (Total)**: **734 L/min** - **Relief Pressure**: **35.0 MPa** - **Hydraulic Oil Tank**: **240 L** #### 4. Working Performance - **Max Digging Reach**: **12,200 mm** - **Max Digging Depth**: **8,200 mm** - **Bucket Digging Force**: **248 kN** - **Arm Crowding Force**: **182 kN** - **Swing Speed**: **8.7 rpm** - **Travel Speed (High/Low)**: **4.7 / 3.0 km/h** #### 5. Dimensions (mm) - **Overall Length**: **12,920** - **Overall Width**: **3,340** - **Overall Height**: **3,510** - **Track Width (Shoe)**: **700 / 800 mm (std 800)** - **Track Gauge**: **2,590** - **Boom Length**: **6,500** - **Arm Length (Standard)**: **3,200** #### 6. Undercarriage - **Track Type**: Steel track shoes (52 links each side) - **Drawbar Pull**: **345 kN**