1. Basic Parameters
Model Name: Caterpillar 305.5E2 Mini Hydraulic Excavator (Mini Excavator)
📌 Engine Model: Cat C2.4 DI (Direct Injection Diesel)
📌 Net Power (ISO 9249 / SAE J1349): • 41.7 hp ≈ 31.1 kW
📌 Gross Power (SAE J1995): ≈ 45.7 hp / 34.1 kW
📌 Displacement: 2.4 L (146.5 in³)
📌 Overall Operating Weight: ~ 5,400 kg (Including Operator, Counterweight, Steel Tracks and 0.22 m³ Bucket)
📌 Standard Bucket Capacity: ~ 0.22 m³
🛠️ 2. Dimensions & Structure
📏 Total Transport Length: ~ 5,765 mm
📏 Transport Width: ~ 1,950 mm
📏 Transport Height: ~ 2,540 mm
📏 Total Track Length: ~ 2,440 mm
📏 Track Shoe Width: 400 mm
📏 Track Gauge: ~ 1,550 mm
📏 Ground Clearance: ~ 628 mm
📏 Rear Swing Radius: ~ 1,580 mm
🔧 3. Hydraulics & Performance
🔹 Hydraulic System Type: Load-Sensing Hydraulic System + Variable Displacement Piston Pump
🔹 Maximum Main Pump Flow: ~ 140 L/min
🔹 Maximum Working Pressure (Equipment/Travel): 25,000 kPa
🔹 Swing Working Pressure: 21,600 kPa
📍 Bucket Digging Force: ~ 35 kN
📍 Arm Digging Force: ~ 27.2 kN
📍 Maximum Traction Force: ~ 40.2 kN
🚧 4. Travel & Working Range
🚶♂️ Travel Speed:
• Low Speed: Approx. 2.8 km/h
• High Speed: Approx. 4.3 km/h
📏 Maximum Digging Depth: ~ 3,720 mm
📏 Maximum Digging Height: ~ 5,460 mm
📏 Maximum Dumping Height: ~ 3,835 mm
📏 Maximum Digging Radius (Ground): ~ 5,830 mm
📏 Maximum Vertical Wall Digging Depth: ~ 2,210 mm
🛢️ 5. Refill Capacities (Reference)
| System | Capacity |
| Fuel Tank | ~ 78 L |
| Hydraulic Oil Tank | ~ 58 L |
| Total Hydraulic System | ~ 85 L |
| Engine Oil | ~ 9.5 L |
| Cooling System | ~ 9.8 L |