三一重工 SY 55 C

### SANY SY55C – Specifications #### 1. General - **Model**: SY55C - **Type**: Mini Excavator (5.5 t class) - **Manufacturer**: SANY Construction Machinery - **Country of origin**: **China** - **Operating weight**: **5,780 kg** #### 2. Engine - **Make**: Isuzu - **Model**: **4JG1** (4-cyl, diesel) - **Net power**: **36 kW @ 2,100 rpm** - **Displacement**: **3.059 L** - **Emission standard**: **Tier 3 / Stage IIIA / GB III** #### 3. Dimensions (mm) - **Transport (L×W×H)**: **5,925 × 2,005 × 2,595** - **Track width (std)**: **400 mm** - **Track gauge**: 1,600 mm - **Tail swing radius**: 1,640 mm #### 4. Working Equipment - **Std bucket capacity (heaped)**: **0.21 m³** - **Std boom length**: **3,000 mm** - **Std stick length**: **1,550 mm** - **Bucket digging force**: **45 kN** - **Arm digging force**: **33 kN** #### 5. Performance - **Max digging depth**: **3,815 mm** - **Max unloading height**: 3,930 mm - **Travel speed (high/low)**: **3.7 / 2.4 km/h** - **Slewing speed**: **9.6 rpm** - **Gradeability**: **70% (35°)** - **Ground pressure**: **32.75 kPa** #### 6. Capacities - **Fuel tank**: **130 L** - **Hydraulic tank**: **85 L** - **Engine oil**: ~11 L - **Coolant**: 6.5 L #### 7. Hydraulics - **Main pumps**: 2 × variable piston pumps - **Max auxiliary flow**: ~120 L/min - **Relief pressure**: 24.5 MPa