卡特 303.5 E

### CAT 303.5E CR – Specifications #### General - **Model**: 303.5E CR (Compact Radius) - **Operating weight**: **3,508–3,732 kg** (cab: 3,732 kg; canopy: 3,548 kg) - **Bucket capacity (SAE heaped)**: **0.12 m³** (std) - **Track shoe width**: **300 mm** (std rubber track) - **Manufacture country**: **Japan** #### Engine - **Manufacturer**: **Caterpillar** - **Model**: **C1.8** - **Gross power**: **24.8 kW (33.3 hp)** @ 2,400 rpm - **Net power**: **23.6 kW (31.6 hp)** @ 2,400 rpm - **Emission standard**: **Stage V / Tier 4 Final** #### Performance - **Max travel speed (high/low)**: **4.6 / 2.6 km/h** - **Swing speed**: **9.2 rpm** - **Main hydraulic pump flow**: **100 L/min** - **Auxiliary hydraulic flow**: **80 L/min** - **Bucket digging force**: **28.5 kN** - **Arm digging force**: **16.9 kN** - **Max digging depth (std stick)**: **2,880 mm** - **Max digging reach (ground)**: **5,060 mm** #### Dimensions (mm) - **Transport dimensions (L×W×H)**: **4,730 × 1,780 × 2,500 mm** - **Arm/stick length**: **1,300 mm** (std) - **Boom length**: **2,400 mm** #### Capacities - **Fuel tank**: **45 L** - **Hydraulic oil tank**: **20 L**