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Caterpillar - 303E CR Mini Hydraulic Excavator

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.

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Brochure / Documentation - C10332027 Brochure / Documentation - C10546306

Net Power 23.5 hp
Engine Model Cat C1.3
Gross Power - ISO 14396 24.8 hp
Note Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
Operating Weight - With Cab 7204.0 lb
Operating Weight - With Canopy 6721.0 lb
Stroke 3.5 in
Bore 3.1 in
Displacement 77.0 in3
Maximum Traction Force - Low Speed 6947.0 lbf
Travel Speed - High 2.8 mile/h
Travel Speed - Low 1.5 mile/h
Maximum Traction Force - High Speed 3417.0 lbf
Operating Pressure - Swing 2625.0 psi
Digging Force - Bucket 6385.0 lbf
Pump Flow at 2,400 rpm 23.1 gal/min
Operating Pressure - Travel 3553.0 psi
Digging Force - Stick - Standard 3732.0 lbf
Operating Pressure - Equipment 3553.0 psi
Machine Swing Speed 9.0 r/min
Boom Swing - Left* 80°
Boom Swing - Right 50°
Note *Automatic swing brake, spring applied, hydraulic release.
Width 60.0 in
Height 13.0 in
Dig Depth 19.0 in
Lift Height 16.0 in
Engine Oil 1.5 gal
Fuel Tank 11.9 gal
Hydraulic Tank 12.4 gal
Cooling System 1.2 gal
Hydraulic System 17.2 gal
Gross Power 24.8 hp
Number of Carrier Rollers 1
Track Roller Type Center Flange
Note Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 23.5 HP
Number of Track Rollers 4
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Top Guard ISO 10262:1998 (Level I)
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997
Dig Depth 117.0 in
Ground Pressure - Cab Standard Stick 4.7 psi
Blade Down - Side 1191.0 lb
Machine Overhang with Counterweight 5.0 in
Blade Up - Side 662.0 lb
Ground Pressure - Cab Long Stick 4.8 psi
Maximum Reach 198.0 in
Track Belt/Shoe Width 12.0 in
Overall Undercarriage Length 82.0 in
Tail Swing 31.0 in
Ground Pressure with Canopy - Long Stick, Optional Counterweight 4.9 psi
Machine Overhang 0.0 in
Overall Shipping Height 98.0 in
Maximum Dump Clearance 124.0 in
Operating Weight with Canopy - Long Stick, Optional Counterweight 7400.0 lb
Track Belt/Shoe Width 12.0 in
Overall Track Width 60.0 in
Maximum Reach - Ground Level 193.0 in
Blade Down - Front 1632.0 lb
Maximum Dig Height 178.0 ft
Dig Depth 108.0 in
Overall Undercarriage Length 82.0 in
Tail Swing 31.0 in
Ground Pressure - Canopy Standard Stick 4.4 psi
Note *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 machine with cab, optional counterweight and standard stick.
Blade Down - Side 750.0 lb
Auxiliary Circuit - Secondary (174 bar/2,523 psi) 7.1 gal/min
Vertical Wall 69.0 in
Operating Weight with Canopy - Long Stick 6813.0 lb
Boom In Reach 79.0 in
Boom Swing Left 24.0 in
Boom Swing Right 32.0 in
Blade Down - Front 2580.0 lb
Stick Length - Long 61.0 ft
Blade Up - Side 1080.0 lb
Blade Up - Front 1433.0 lb
Tail Swing with Extra Counterweight 35.0 in
Maximum Dig Height 167.0 in
Boom Swing Right 32.0 in
Note *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 machine with cab, optional counterweight and standard stick.
Operating Weight with Cab - Standard Stick 7204.0 lb
Digging Force - Stick - Long 3327.0 lbf
Operating Weight with Canopy - Standard Stick 6721.0 lb
Operating Weight with Cab - Standard Stick, Optional Counterweight 7790.0 lb
Maximum Blade Height 16.0 in
Maximum Blade Depth 19.0 in
Maximum Blade Depth 19.0 in
Auxiliary Circuit - Primary (186 bar/2,697 psi) 15.9 gal/min
Boom Height in Shipping Position 63.0 in
Tail Swing with Extra Counterweight 35.0 in
Operating Weight with Cab - Long Stick 7296.0 lb
Maximum Blade Height 16.0 in
Blade Up - Front 904.0 lb
Overall Track Width 61.0 in
Gradeability - Continuous Operation 20°
Swing Bearing Height 22.0 in
Boom Height in Shipping Position 63.0 in
Swing Bearing Height 22.0 in
Ground Pressure - Canopy Long Stick 4.5 psi
Boom Swing Left 24.0 in
Maximum Reach 195.0 in
Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight with Canopy - Standard Stick, Optional Counterweight 7307.0 lb
Ground Pressure with Canopy - Standard Stick, Optional Counterweight 4.8 psi
Overall Shipping Height 98.0 in
Vertical Wall 77.0 in
Overall Shipping Length 176.0 in
Maximum Dump Clearance 117.0 in
Overall Shipping Length 198.0 in
Maximum Reach - Ground Level 189.0 ft
Stick Length - Standard 50.0 in
Ground Pressure with Cab - Standard Stick, Optional Counterweight 5.1 psi
Ground Pressure with Cab - Long Stick, Optional Counterweight 5.2 psi
Operating Weight with Cab - Long Stick, Optional Counterweight 7883.0 lb
Boom In Reach 83.0 in
Gradeability (< 10 minutes Operation) 30°