卡特 349 D

### CAT 349D – Hydraulic Excavator (English, Verified) #### 1. Basic Information - **Model**: CAT 349D - **Type**: Large Crawler Hydraulic Excavator - **Operating Weight**: **46,285 kg (101,413 lb)** - **Standard Bucket Capacity**: **1.8 m³ (2.35 yd³)** - **Brand/Origin**: Caterpillar (USA) #### 2. Engine - **Model**: Cat **C13 ACERT** - **Rated Power**: **283 kW (380 hp) @ 1,800 rpm** - **Displacement**: **12.5 L (762.8 cu in)** - **Cylinders**: 6, water-cooled, direct injection - **Emission Standard**: **Tier 3 / Stage IIIA** #### 3. Working Performance - **Max Digging Force (Bucket)**: **245 kN** - **Arm Digging Force**: **178 kN** - **Swing Speed**: **8.7 rpm** - **Travel Speed (High/Low)**: **4.5 km/h (2.8 mph)** - **Gradeability**: **70% (35°)** - **Max Digging Depth**: **8,920 mm (29 ft 3 in)** - **Max Reach (Ground)**: **12,940 mm (42 ft 5 in)** #### 4. Hydraulic System - **Main Pumps**: 2 × variable displacement piston pumps - **Max Flow**: **734 L/min (193.9 gpm)** - **Relief Pressure**: **35 MPa (5,075 psi)** #### 5. Transport Dimensions (Standard) - **Length**: **12,450 mm (40 ft 10 in)** - **Width**: **3,640 mm (11 ft 11 in)** - **Height**: **3,680 mm (12 ft 1 in)** - **Track Shoe Width**: **750 mm (29.5 in)** #### 6. Fluid Capacities - **Fuel Tank**: **705 L (186.2 gal)** - **Hydraulic Tank**: **243 L (64.2 gal)** - **Engine Oil**: **42 L (11.1 gal)** - **Coolant**: **35.5 L (9.4 gal)**