沃尔沃 EC 290

### VOLVO EC 290 – Specifications - **Manufacturer**: Volvo (Sweden) - **Model**: EC 290 (Crawler Excavator, LC/NLC) - **Operating Weight**: **28,500–29,900 kg** (62,832–65,918 lb) - **Standard Bucket Capacity**: **1.3 m³** (SAE: 1.2–1.4 m³) #### Engine & Performance - **Engine Model**: Volvo D7D ECE2 (6-cylinder, water-cooled, turbocharged diesel) - **Net Rated Power**: **153 kW (208 hp) @ 1,900 rpm** - **Emission Standard**: **Stage IIIA / Tier 3** - **Max. Travel Speed**: **5.2 km/h (high) / 3.3 km/h (low)** - **Swing Speed**: **10.2 rpm** - **Bucket Digging Force**: **181.4 kN (std) / 198.4 kN (boost)** - **Arm Digging Force**: **127.6 kN (std) / 139.5 kN (boost)** #### Dimensions (mm) - **Max. Digging Depth**: **7,320 mm** - **Max. Digging Radius**: **10,490 mm** - **Overall Length**: **10,400 mm** - **Overall Width**: **3,190 mm** (LC) - **Overall Height (To Top of Cab)**: **3,050 mm** - **Track Width**: **600 mm** (Steel Track) - **Standard Boom Length**: **6,200 mm** - **Standard Arm Length**: **3,050 mm** #### Hydraulic System & Capacities - **Main Pump Flow**: **2 × 250 L/min** - **Aux. Hydraulic Flow**: **120 L/min** - **Fuel Tank Capacity**: **470 L** (124 gal) - **Hydraulic Tank Capacity**: **145 L** (38.3 gal)