卡特 303.5 E

# CAT 303.5E CR Mini Hydraulic Excavator - Full Specifications **Model**: CAT 303.5E CR (Compact Radius) ### 1. Engine - **Engine Model**: Cat C1.8 Turbo Diesel - **Net Power (ISO 9249)**: 31.6 hp 23.6 kW - **Gross Power (ISO 14396)**: 33.3 hp 24.8 kW - **Displacement**: 1.8 L 110 cu in - **Bore x Stroke**: 87 mm x 102.4 mm 3.4 in x 4.0 in - **Emissions**: EPA Tier 4 Final / EU Stage IIIB compliant ### 2. Weights - **Operating Weight (Canopy)**: 3,548 kg 7,822 lb - **Operating Weight (Cab)**: 3,732 kg 8,227 lb - **Weight Includes**: Counterweight, rubber tracks, bucket, operator, full fuel, auxiliary lines ### 3. Performance & Digging Specifications - **Max Digging Depth (Standard Stick)**: 2,880 mm 9.6 ft - **Max Digging Depth (Long Stick)**: 3,560 mm 11.8 ft - **Max Reach at Ground Level (Std)**: 5,060 mm 16.7 ft - **Max Reach at Ground Level (Long)**: 5,540 mm 18.2 ft - **Max Dump Height (Std)**: 3,520 mm 11.5 ft - **Max Dump Height (Long)**: 3,640 mm 11.9 ft - **Max Cutting Height (Std)**: 4,920 mm 16.2 ft - **Max Cutting Height (Long)**: 5,030 mm 16.5 ft - **Bucket Capacity**: 0.07–0.12 m³ 0.09–0.16 cu yd - **Max Travel Speed (High)**: 4.6 km/h 2.9 mph - **Max Travel Speed (Low)**: 3.2 km/h 2.0 mph - **Swing Speed**: 9.5 rpm - **Traction Force (Low)**: 31.0 kN 6,969 lb ### 4. Hydraulic System - **Main Pump Flow**: 100 L/min 26.4 gal/min - **System Pressure (Implement)**: 245 bar 3,553 psi - **System Pressure (Travel)**: 245 bar 3,553 psi - **System Pressure (Swing)**: 181 bar 2,625 psi - **Auxiliary Flow (Primary)**: 60 L/min 15.9 gal/min - **Auxiliary Flow (Secondary)**: 27 L/min 7.1 gal/min ### 5. Dimensions (Transport/Shipping) - **Length**: 4,730 mm 15.5 ft - **Width (Over Tracks)**: 1,780 mm 5.8 ft - **Height (Cab)**: 2,500 mm 8.2 ft - **Height (Canopy)**: 2,440 mm 8.0 ft - **Track Gauge**: 1,250 mm 4.1 ft - **Track Shoe Width**: 300 mm 1 ft ### 6. Fuel & Refill Capacities - **Fuel Tank**: 50 L 13.2 gal - **Hydraulic Tank**: 35 L 9.2 gal - **Engine Oil**: 4.5 L 1.2 gal - **Cooling System**: 4.2 L 1.1 gal