New CAT Equipment

303 CR Mini Hydraulic Excavator

The Cat® 303 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

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    Product Specs

    Engine

    Net Power 23.6 HP
    Engine Model C1.1 Turbo
    Bore 3 in
    Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 23.6 HP
    Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
    Stroke 3.2 in
    Note Advertised power is tested per the specified standard in effect at the time of manufacture.
    Displacement 69 in³
    Gross Power - 2,400 rpm - SAE J1995:2014 24.7 HP

    Weights

    Operating Weight 7817 lb
    Note (1) *Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight.
    EU: CE Plate Weight with Canopy*** 6791 lb
    Minimum Operating Weight with Canopy* 6670 lb
    Minimum Operating Weight with Cab* 6924 lb
    Note (3) ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
    Maximum Operating Weight with Canopy** 7552 lb
    EU: CE Plate Weight with Cab*** 7012 lb
    Maximum Operating Weight with Cab** 7817 lb
    Note (2) **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight.

    Dimensions - Long Stick

    Dig Depth 116.1 in
    Boom Height - Shipping Position 75.6 in
    Tail Swing with Counterweight 35 in
    Track Belt/Shoe Width 11.8 in
    Maximum Reach 206.3 in
    Boom In Reach 74.2 in
    Boom Swing - Right 34.3 in
    Tail Swing 33.3 in
    Maximum Dump Clearance 130.3 in
    Ground Clearance 12.2 in
    O/A Undercarriage Length 81.5 in
    O/A Shipping Height 97.6 in
    Track Width - Expanded 61 in
    Maximum Blade Depth 21.1 in
    Maximum Reach - Ground Level 201.2 in
    Stick Length 61.4 in
    Overall Shipping Length* 179.5 in
    Maximum Dig Height 183.1 in
    Swing Bearing - Height 22.4 in
    Note *Overall Shipping Length depends on blade position during shipment.
    Tail Swing without Counterweight 30.5 in
    Maximum Blade Height 15.2 in
    Boom Swing - Left 25.2 in
    Vertical Wall 81.5 in

    Blade

    Height 13.8 in
    Width 61 in

    Dimensions - Standard Stick

    Maximum Blade Depth 21.1 in
    Tail Swing without Counterweight 30.5 in
    Maximum Dig Height 177.6 in
    O/A Undercarriage Length 81.5 in
    Boom Height - Shipping Position 63 in
    Vertical Wall 71.7 in
    Overall Shipping Length* 177.6 in
    Boom Swing - Left 25.2 in
    O/A Shipping Height 97.6 in
    Track Shoe Width 61 in
    Boom Swing - Right 34.3 in
    Tail Swing with Extra Counterweight 35 in
    Swing Bearing - Height 22.4 in
    Tail Swing 33.3 in
    Maximum Blade Height 15.2 in
    Dig Depth 104.3 in
    Maximum Dump Clearance 124.8 in
    Maximum Reach - Ground Level 190.2 in
    Maximum Reach 196.1 in
    Ground Clearance 12.2 in
    Track Belt/Shoe Width 11.8 in
    Boom In Reach 68.9 in
    Stick Length 49.6 in
    Note *Overall Shipping Length depends on blade position during shipment.

    Swing System

    Boom Swing - Right 50 °
    Machine Swing Speed 9 r/min
    Boom Swing - Left 75 °

    Sound

    Average Exterior Sound Pressure (ISO 6395:2008) 94 dB(A)
    Operator Sound Pressure (ISO 6396:2008) 78 dB(A)
    Note European Union Directive “2000/14/EC”

    Hydraulic System

    Auxiliary Circuit - Primary - Flow 17 gal/min
    Auxiliary Circuit - Secondary - Pressure 3553 psi
    Operating Pressure - Swing 2553 psi
    Pump Flow at 2,400 rpm 26 gal/min
    Type Load Sensing Hydraulics with Variable Displacement Piston Pump
    Digging Force - Stick - Standard 3732 lbf
    Operating Pressure - Travel 3553 psi
    Digging Force - Bucket 6385 lbf
    Operating Pressure - Equipment 3553 psi
    Auxiliary Circuit - Primary - Pressure 3553 psi
    Auxiliary Circuit - Secondary - Flow 7 gal/min
    Digging Force - Stick - Long 3327 lbf
    Note * Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

    Travel System

    Gradeability - Maximum 30 degrees
    Ground Pressure - Maximum Weight 4.7 psi
    Ground Pressure - Minimum Weight 4 psi
    Travel Speed - High 2.8 mile/h
    Maximum Traction Force - Low Speed 7059 lbf
    Travel Speed - Low 1.6 mile/h
    Maximum Traction Force - High Speed 3305 lbf

    Service Refill Capacities

    Cooling System 1.1 gal (US)
    Hydraulic Tank 4.8 gal (US)
    Engine Oil 1.1 gal (US)
    Fuel Tank 11.9 gal (US)
    Hydraulic System 9.2 gal (US)

    Weight Increase from Minimum Configuration

    Counterweight 221 lb
    Cab 254 lb
    Steel Tracks 276 lb
    Long Stick 55 lb
    Extra Counterweight 551 lb

    Certification - Cab and Canopy

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

    Sustainability

    Recyclability 95%