New CAT Equipment

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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    Product Specs

    Engine

    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

    Weights

    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.

    Travel System

    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

    Hydraulic System

    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

    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
    Height 13 in
    Dig Depth 19 in
    Lift Height 16 in

    Service Refill Capacities

    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)

    Undercarriage

    Number of Carrier Rollers 1
    Track Roller Type Center Flange
    Number of Track Rollers 4

    Certification - Cab and Canopy

    Top Guard ISO 10262:1998 (Level I)
    Roll Over Protective Structure (ROPS) ISO 12117-2:2008
    Tip Over Protective Structure (TOPS) ISO 12117:1997

    Dimensions (Approximate) - Long Stick

    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

    Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")

    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.

    Operating Specifications

    Machine Overhang with Counterweight 5 in
    Machine Overhang 0 in
    Stick Length - Long 61 in
    Stick Length - Standard 50 in

    Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")

    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

    Dimensions (Approximate) - Standard Stick

    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

    Weights*

    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