Model Name: Caterpillar 303 CR Mini Hydraulic Excavator
🔧 Engine
Engine Model: Cat C1.1 Turbo
Net Power (ISO 9249): ~23.6 hp / 17.6 kW
Rated Power (ISO 9249): ~24.7 hp / 18.4 kW
Displacement: ~1.1 L (69 in³)
Emission Standard: Complies with U.S. EPA Tier 4 Final / EU Stage V emission requirements
⚖️ II. Weight and Load Capacity Item Value Operating Weight, Maximum ~7,817 lb (~3,545 kg) Minimum Operating Weight (with canopy) ~6,670 lb (~3,025 kg) Minimum Operating Weight (with cab) ~6,924 lb (~3,140 kg) Maximum Operating Weight (with canopy) ~7,552 lb (~3,425 kg) Maximum Operating Weight (with cab) ~7,817 lb (~3,545 kg)
The above weights depend on configuration, including cab, steel tracks, boom length, and additional counterweights.
📏 III. Dimensions and Operating Range (Long Stick / Standard) Long Stick
Maximum Digging Depth: ~116.1 in / 2,950 mm
Maximum Horizontal Reach: ~5,110 mm
Maximum Dump Height: ~1,310 mm (~3,600 mm)
Standard Stick
Maximum Digging Depth: ~104.3 in / 2,650 mm
Maximum Ground Reach: ~4,830 mm
Additional Dimensions
Overall Transport Length: ~4,510 mm
Transport Height: ~2,480 mm
Track Width: ~300 mm
Tail Swing Radius: ~775 mm (without additional counterweight)
🚶♂️ IV. Travel and Power Item Value Travel Speed (High) ~4.5 km/h Travel Speed (Low) ~2.6 km/h Maximum Drawbar Pull (High) ~14.7 kN Maximum Drawbar Pull (Low) ~31.4 kN Maximum Gradeability ~30 ° Ground Pressure (Min/Max) ~28.3–32.8 kPa
💧 V. Hydraulic System and Operation
Hydraulic System Type: Load Sensing + Variable Displacement Hydraulic Pump
Fuel Tank Capacity: ~45 L
Cooling System Capacity: ~4.0 L
Engine Oil Capacity: ~4.0 L
Hydraulic Tank Capacity: ~18.0 L
Total Hydraulic System Capacity: ~35.0 L
🔉 VI. Noise and Comfort (Reference)
Operator Sound Pressure: ~78 dB(A)
Exterior Sound Pressure: ~94 dB(A)
Shipping
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