303E CR

Heavy Equipment

303E CR

Net Power
23.5 HP / 17.5 kW
Operating Weight - With Cab
7782 lb / 3530 kg
Gross Power
24.8 HP / 18.5 kW

The Cat® 303E CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.

Engine
Engine Model Cat C1.3
Net Power 23.5 HP / 17.5 kW
Gross Power - ISO 14396 24.8 HP / 18.5 kW
Bore 3.1 in / 78 mm
Displacement 77 in³ / 1.26 l
Stroke 3.5 in / 88 mm
Gross Power 24.8 HP / 18.5 kW
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 23.5 HP / 17.5 kW
Weights
Operating Weight - With Cab 7782 lb / 3530 kg
Operating Weight - With Canopy 7297 lb / 3310 kg
Note Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Travel System
Maximum Traction Force - High Speed 3417 lb / 15.2 kN
Maximum Traction Force - Low Speed 6946 lb / 30.9 kN
Travel Speed - High 2.8 mile/h / 4.5 km/h
Travel Speed - Low 1.5 mile/h / 2.4 km/h
Ground Pressure 4.6 psi / 32.2 kPa
Gradeability - Maximum 30°
Hydraulic System
Auxiliary Circuit - Primary (186 bar/2,734 psi) 15.9 gal/min / 60 l/min
Auxiliary Circuit - Secondary (174 bar/2,524 psi) 7.1 gal/min / 27 l/min
Digging Force - Bucket 6384 lb / 28.4 kN
Digging Force - Stick - Standard 3731 lb / 16.6 kN
Operating Pressure - Equipment 3553 psi / 245 bar
Operating Pressure - Swing 2625 psi / 181 bar
Operating Pressure - Travel 3553 psi / 245 bar
Pump Flow at 2,400 rpm 23.1 gal/min / 87.6 l/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Swing System
Machine Swing Speed 9 r/min
Boom Swing - Left* 80°
Boom Swing - Right 50°
Note *Automatic swing brake, spring applied, hydraulic release.
Blade
Width 60 in / 1550 mm
Height 13 in / 335 mm
Dig Depth 19 in / 472 mm
Lift Height 16 in / 402 mm
Service Refill Capacities
Cooling System 1.2 gal (US) / 4.7 l
Engine Oil 1.5 gal (US) / 5.7 l
Fuel Tank 11.8 gal (US) / 45 l
Hydraulic System 17.2 gal (US) / 65 l
Hydraulic Tank 12.4 gal (US) / 47 l
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS) ISO 12117-2
Tip Over Protective Structure (TOPS) ISO 12117
Top Guard ISO 10262 (Level I)
Dimensions (Approximate)
Boom Height - Shipping Position 63 in / 1590 mm
Boom In Reach 83 in / 2110 mm
Boom Swing - Left 24 in / 610 mm
Boom Swing - Right 32 in / 825 mm
Dig Depth 108 in / 2750 mm
Maximum Blade Depth 19 in / 472 mm
Maximum Blade Height 16 in / 402 mm
Maximum Dig Height 178 in / 4530 mm
Maximum Dump Clearance 124 in / 3150 mm
Maximum Reach 195 in / 4950 mm
Maximum Reach - Ground Level 189 in / 4810 mm
O/A Shipping Height 98 in / 2500 mm
O/A Shipping Length 176 in / 4470 mm
O/A Track Width 60 in / 1550 mm
O/A Undercarriage Length 87 in / 2210 mm
Swing Bearing - Height 22 in / 565 mm
Tail Swing 35 in / 890 mm
Track Belt/Shoe Width 12 in / 300 mm
Vertical Wall 77 in / 1960 mm
Undercarriage
Number of Carrier Rollers 3
Number of Track Rollers 3
Track Roller Type Double Flange
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