New CAT Equipment

304E2 CR Mini Hydraulic Excavator

The Cat® 304E2 CR Mini Hydraulic Excavator delivers efficient 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 40.2 HP
    Engine Model Cat C2.4
    Note The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
    Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 40.2 HP
    Displacement 146 in³
    Stroke 4 in
    Bore 3.4 in
    Gross Power - ISO 14396 41.8 HP

    Weights*

    Operating Weight 8996 lb
    Weight - Canopy, Standard Stick 8655 lb
    Weight - Canopy, Long Stick 8721 lb
    Weight - Cab, Long Stick 8996 lb
    Weight - Cab, Standard Stick 8930 lb

    Travel System

    Maximum Traction Force - High Speed 3799 lb
    Maximum Traction Force - Low Speed 6969 lb
    Travel Speed - High 3.2 mile/h
    Travel Speed - Low 2.1 mile/h
    Ground Pressure - Canopy 4.1 psi
    Ground Pressure - Cab 4.3 psi

    Hydraulic System

    Digging Force - Stick - Long 4384 lb
    Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
    Digging Force - Stick - Standard 4856 lb
    Operating Pressure - Travel 3553 psi
    Operating Pressure - Equipment 3553 psi
    Operating Pressure - Swing 3132 psi
    Pump Flow at 2,200 rpm 26.4 gal/min
    Maximum Auxiliary Circuit - Secondary - Flow at Pump 6.6 gal/min
    Maximum Auxiliary Circuit - Primary - Flow at Pump 17.2 gal/min
    Maximum Auxiliary Circuit - Primary - Pressure at Pump 3553 psi
    Maximum Auxiliary Circuit - Secondary - Pressure at Pump 3553 psi
    Digging Force - Bucket 8498 lb

    Swing System

    Machine Swing Speed 10 r/min

    Blade

    Width 76.8 in
    Height 12.8 in
    Dig Depth 18.5 in
    Lift Height 15.7 in

    Service Refill Capacities

    Cooling System 1.5 gal (US)
    Engine Oil 2.5 gal (US)
    Hydraulic Tank 11.2 gal (US)
    Fuel Tank 12.2 gal (US)
    Hydraulic System 17.2 gal (US)

    Dimensions - Long Stick

    Dig Depth 135 in
    Maximum Dig Height 200 in
    Maximum Reach 220 in
    Vertical Wall 101 in
    O/A Shipping Height 98 in
    Boom Swing - Right 29 in
    Maximum Blade Depth 19 in
    O/A Track Width 77 in
    Maximum Dump Clearance 145 in
    Swing Bearing - Height 22 in
    Boom Height - Shipping Position 70 in
    Track Belt/Shoe Width 14 in
    O/A Shipping Length 194 in
    Maximum Reach - Ground Level 215 in
    O/A Undercarriage Length 87 in
    Maximum Blade Height 16 in
    Tail Swing 38 in
    Boom Swing - Left 26 in
    Boom In Reach 87 in

    Dimensions - Standard Stick

    Maximum Dig Height 196 in
    Swing Bearing - Height 22 in
    Maximum Dump Clearance 141 in
    Boom Swing - Left 26 in
    Boom In Reach 83 in
    Maximum Blade Depth 19 in
    O/A Shipping Height 98 in
    Maximum Reach 211 in
    Vertical Wall 95 in
    Maximum Reach - Ground Level 206 in
    Track Belt/Shoe Width 14 in
    Maximum Blade Height 16 in
    O/A Track Width 77 in
    Boom Height - Shipping Position 58 in
    O/A Undercarriage Length 87 in
    Dig Depth 123 in
    Tail Swing 38 in
    O/A Shipping Length 190 in
    Boom Swing - Right 29 in

    Operating Specifications

    Stick Length - Long 64 in
    Machine Overhang 0 in
    Stick Length - Standard 52 in

    Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (118 in)

    Blade Up - Side 1808 lb
    Blade Down - Side 2007 lb
    Blade Up - Front 1808 lb
    Blade Down - Front 3462 lb

    Cab

    Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A)
    Exterior Sound Power Level - ISO 6395:2008* 96 dB(A)

    Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (177 in)

    Blade Up - Front 948 lb
    Blade Down - Side 1058 lb
    Blade Down - Front 1896 lb
    Blade Up - Side 948 lb