| Model |
CAT 303CR Mini Crawler Excavator |
| Operating Weight |
3,545 kg (max with cab, rubber tracks, operator, full fuel tank and standard equipment) |
| Engine Model |
CAT C1.1 Turbo (3-cylinder, 4-stroke, turbocharged, water-cooled) |
| Displacement |
1.1 L |
| Rated Net Power |
17.6 kW (23.6 hp) @ 2,400 rpm (ISO 9249/EEC 80/1269) |
| Rated Gross Power |
18.4 kW (24.7 hp) @ 2,400 rpm (SAE J1995) |
| Bucket Capacity |
0.11 - 0.16 m³ (standard) |
| Travel Speed |
2.8/4.5 km/h (low/high) |
| Swing Speed |
9 rpm |
| Max Digging Depth |
2,950 mm (standard stick) |
| Max Digging Height |
4,510 mm |
| Max Digging Radius |
5,110 mm |
| Hydraulic System |
Load - Sensing, Variable Displacement Piston Pump |
| Pump Flow |
69 L/min @ 2,400 rpm |
| Max Operating Pressure (Equipment/Travel) |
245 bar (3,553 psi) |
| Max Operating Pressure (Swing) |
176 bar (2,553 psi) |
| Max Bucket Digging Force |
28.4 kN (6,385 lbf) |
| Max Stick Digging Force |
16.6 kN (3,732 lbf) |
| Max Traction Force |
31.4 kN |
| Emission Standard |
Tier 4 Final / EU Stage V |
| Fuel Tank Capacity |
45 L |
| Hydraulic Tank Capacity |
18 L |
| Track Shoe Width |
250 mm |
| Track Width (Retracted/Expanded) |
1,280/1,580 mm |
| Boom Swing Angle |
75° (left/right) |
