CAT 303E CR Mini Hydraulic Excavator
CAT 303E CR Mini Hydraulic Excavator
Details
Engine
Engine Model | Cat C1.3 |
Rated Net Power @ 2,400 rpm ISO 9249/EEC 80/1269 | 17.5 kW / 23.5 hp |
Gross Power ISO 14396 | 18.5 kW / 24.8 hp |
Bore | 78 mm / 3.1 in |
Stroke | 88 mm / 3.5 in |
Displacement | 1.26 L / 77 in3 |
Weights*
Operating Weight with Canopy | 3310 kg / 7,297 lb |
Operating Weight with Cab | 3530 kg / 7,782 lb |
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Travel System
Travel Speed - High | 4.5 km/h / 2.8 mph |
Travel Speed - Low | 2.4 km/h / 1.5 mph |
Max Traction Force - High Speed | 15.2 kN / 3,417 lb |
Max Traction Force - Low Speed | 30.9 kN / 6,946 lb |
Ground Pressure | 32.2 kPa / 4.6 psi |
Gradeability (maximum) | 30° |
Service Refill Capacities
Cooling System | 4.7 L / 1.2 gal |
Engine Oil | 5.7 L / 1.5 gal |
Fuel Tank | 45 L / 11.8 gal |
Hydraulic Tank | 47 L / 12.4 gal |
Hydraulic System | 65 L / 17.2 gal |
Hydraulic System
Load Sensing Hydraulics with Variable Displacement Piston Pump |
Pump Flow at 2,400 rpm | 87.6 L/min / 23.1 gal/min |
Operating Pressure - Equipment | 245 bar / 3,553 psi |
Operating Pressure - Travel | 245 bar / 3,553 psi |
Operating Pressure - Swing | 181 bar / 2,625 psi |
Auxiliary Circuit - Primary (186 bar/2,734 psi) | 60 L/min / 15.9 gal/min |
Auxiliary Circuit - Secondary (174 bar/2,524 psi) | 27 L/min / 7.1 gal/min |
Digging Force - Stick (standard) | 16.6 kN / 3,731 lb |
Digging Force - Bucket | 28.4 kN / 6,384 lb |
Swing System
Machine Swing Speed | 9 rpm |
Boom Swing - Left* | 80° |
Boom Swing - Right | 50° |
*Automatic swing brake, spring applied, hydraulic release.
Blade
Width | 1550 mm / 60 in |
Height | 335 mm / 13 in |
Dig Depth | 472 mm / 19 in |
Lift Height | 402 mm / 16 in |
Undercarriage
Number of Carrier Rollers | 3 |
Number of Track Rollers | 3 |
Track Roller Type | Double Flange |
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS) | ISO 12117-2 |
Top Over Protective Structure (TOPS) | ISO 12117 |
Top Guard | ISO 10262 (Level I) |
Lift Capacities at Ground Level*
Lift Point Radius | 3000 mm (9'8") | 4000 mm (13'1") |
Front | Side | Front | Side | |
Blade Down | 1170 kg (2,580 lb) | 540 kg (1,191) | 670 kg (1,477 lb) | 310 kg (684 lb) |
Blade Up | 570 kg (1,257 lb) | 480 kg (1,058 lb) | 280 kg (617 lb) | 280 kg (617 lb) |
*The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Lifting capacities are for standard stick.