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.
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. |
Stroke | 3.5 in |
Bore | 3.1 in |
Displacement | 77 in³ |
Gross Power | 24.8 HP |
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 | 23.5 HP |
Operating Weight - With Cab | 7204 lb |
Operating Weight - With Canopy | 6721 lb |
Note | Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. |
Maximum Traction Force - Low Speed | 6947 lbf |
Travel Speed - High | 2.8 mile/h |
Travel Speed - Low | 1.5 mile/h |
Maximum Traction Force - High Speed | 3417 lbf |
Ground Pressure - Cab Standard Stick | 4.7 psi |
Ground Pressure - Cab Long Stick | 4.8 psi |
Ground Pressure with Canopy - Long Stick, Optional Counterweight | 4.9 psi |
Ground Pressure - Canopy Standard Stick | 4.4 psi |
Gradeability - Continuous Operation | 20° |
Ground Pressure - Canopy Long Stick | 4.5 psi |
Ground Pressure with Canopy - Standard Stick, Optional Counterweight | 4.8 psi |
Ground Pressure with Cab - Standard Stick, Optional Counterweight | 5.1 psi |
Gradeability (< 10 minutes Operation) | 30° |
Ground Pressure with Cab - Long Stick, Optional Counterweight | 5.2 psi |
Operating Pressure - Swing | 2625 psi |
Digging Force - Bucket | 6385 lbf |
Pump Flow at 2,400 rpm | 23.1 gal/min |
Operating Pressure - Travel | 3553 psi |
Digging Force - Stick - Standard | 3732 lbf |
Operating Pressure - Equipment | 3553 psi |
Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Auxiliary Circuit - Secondary (174 bar/2,523 psi) | 7.1 gal/min |
Digging Force - Stick - Long | 3327 lbf |
Auxiliary Circuit - Primary (186 bar/2,697 psi) | 15.9 gal/min |
Machine Swing Speed | 9 r/min |
Boom Swing - Left* | 80° |
Boom Swing - Right | 50° |
Note | *Automatic swing brake, spring applied, hydraulic release. |
Width | 60 in |
Height | 13 in |
Dig Depth | 19 in |
Lift Height | 16 in |
Engine Oil | 1.5 gal (US) |
Fuel Tank | 11.9 gal (US) |
Hydraulic Tank | 12.4 gal (US) |
Cooling System | 1.2 gal (US) |
Hydraulic System | 17.2 gal (US) |
Number of Carrier Rollers | 1 |
Track Roller Type | Center Flange |
Number of Track Rollers | 4 |
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 in |
Maximum Reach | 198 in |
Track Belt/Shoe Width | 12 in |
Overall Undercarriage Length | 82 in |
Overall Shipping Height | 98 in |
Maximum Reach - Ground Level | 193 in |
Tail Swing | 31 in |
Vertical Wall | 69 in |
Boom In Reach | 79 in |
Maximum Dig Height | 167 in |
Boom Swing Right | 32 in |
Maximum Blade Depth | 19 in |
Tail Swing with Extra Counterweight | 35 in |
Maximum Blade Height | 16 in |
Overall Track Width | 61 in |
Swing Bearing Height | 22 in |
Boom Height in Shipping Position | 63 in |
Boom Swing Left | 24 in |
Maximum Dump Clearance | 117 in |
Overall Shipping Length | 198 in |
Blade Down - Side | 1191 lb |
Blade Down - Front | 2580 lb |
Blade Up - Side | 1080 lb |
Blade Up - Front | 1433 lb |
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. |
Machine Overhang with Counterweight | 5 in |
Machine Overhang | 0 in |
Stick Length - Long | 61 in |
Stick Length - Standard | 50 in |
Blade Up - Side | 662 lb |
Blade Down - Front | 1632 lb |
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 lb |
Blade Up - Front | 904 lb |
Tail Swing | 31 in |
Maximum Dump Clearance | 124 in |
Track Belt/Shoe Width | 12 in |
Overall Track Width | 60 in |
Maximum Dig Height | 178 in |
Dig Depth | 108 in |
Overall Undercarriage Length | 82 in |
Boom Swing Left | 24 in |
Boom Swing Right | 32 in |
Tail Swing with Extra Counterweight | 35 in |
Maximum Blade Height | 16 in |
Maximum Blade Depth | 19 in |
Boom Height in Shipping Position | 63 in |
Swing Bearing Height | 22 in |
Maximum Reach | 195 in |
Overall Shipping Height | 98 in |
Vertical Wall | 77 in |
Overall Shipping Length | 176 in |
Maximum Reach - Ground Level | 189 in |
Boom In Reach | 83 in |
Operating Weight with Canopy - Long Stick, Optional Counterweight | 7400 lb |
Operating Weight with Canopy - Long Stick | 6813 lb |
Operating Weight with Cab - Standard Stick | 7204 lb |
Operating Weight with Canopy - Standard Stick | 6721 lb |
Operating Weight with Cab - Standard Stick, Optional Counterweight | 7790 lb |
Operating Weight with Cab - Long Stick | 7296 lb |
Note | *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. |
Operating Weight with Canopy - Standard Stick, Optional Counterweight | 7307 lb |
Operating Weight with Cab - Long Stick, Optional Counterweight | 7883 lb |