New CAT Equipment

305.5E2 CR Mini Hydraulic Excavator

The Cat® 305.5E2 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 44.1 HP
    Engine Model Cat® C2.4
    Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 44.1 HP
    Bore 3.4 in
    Stroke 4 in
    Displacement 146 in³
    Gross Power - ISO 14396 45.7 HP
    Emissions Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.

    Weights*

    Operating Weight 11958 lb
    Weight - Canopy, Standard Stick 11503 lb
    Weight - Cab, Long Stick 11958 lb
    Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
    Weight - Cab, Standard Stick 11863 lb
    Weight - Canopy, Long Stick 11596 lb

    Travel System

    Travel Speed - High 2.8 mile/h
    Maximum Traction Force - High Speed 6025 lb
    Travel Speed - Low 1.7 mile/h
    Maximum Traction Force - Low Speed 10746 lb
    Ground Pressure - Canopy 4.5 psi
    Ground Pressure - Cab 4.6 psi
    Gradeability - Maximum 30°

    Hydraulic System

    Operating Pressure - Travel 3553 psi
    Digging Force - Stick - Long 5575 lb
    Operating Pressure - Swing 3132 psi
    Operating Pressure - Equipment 3553 psi
    Digging Force - Stick - Standard 6500 lb
    Pump Flow at 2,400 rpm 39.6 gal/min
    Maximum Auxiliary Circuit - Primary - Pressure 3553 psi
    Maximum Auxiliary Circuit - Secondary - Pressure 3553 psi
    Maximum Auxiliary Circuit - Secondary - Flow 6.6 gal/min
    Maximum Auxiliary Circuit - Primary - Flow 21.1 gal/min
    Digging Force - Bucket 11445 lb
    Type Load Sensing Hydraulics with Variable Displacement Piston Pump

    Swing System

    Machine Swing Speed 10 r/min
    Boom Swing - Right 50°
    Boom Swing - Left - Without Stop* 80°
    Boom Swing - Left - With Stop* 60°
    Note *Automatic swing brake, spring applied, hydraulic release.

    Blade

    Width 78 in
    Height 14.8 in
    Dig Depth 21.9 in
    Lift Height 15.9 in

    Service Refill Capacities

    Hydraulic Tank 18 gal (US)
    Cooling System 2.8 gal (US)
    Fuel Tank 16.6 gal (US)
    Engine Oil 2.5 gal (US)
    Hydraulic System 20.6 gal (US)

    Dimensions - Long Stick

    Dig Depth 152 in
    Boom Swing - Right 31 in
    O/A Shipping Length 215 in
    Vertical Wall 107 in
    O/A Shipping Height 100 in
    Maximum Blade Depth 22 in
    Maximum Dump Clearance 161 in
    Maximum Reach - Ground Level 237 in
    Maximum Blade Height 16 in
    Tail Swing 44 in
    Swing Bearing - Height 24 in
    Maximum Dig Height 220 in
    Boom Swing - Left 27 in
    Track Belt/Shoe Width 16 in
    Maximum Reach 243 in
    O/A Track Width 78 in
    Boom In Reach 100 in
    O/A Undercarriage Length 102 in
    Boom Height - Shipping Position 85 in

    Operating Specifications

    Stick Length - Long 70 in
    Counterweight 364.4 lb
    Stick Length - Standard 55 in

    Dimensions - Standard Stick

    Boom In Reach 94 in
    O/A Shipping Height 100 in
    Dig Depth 137 in
    Maximum Blade Depth 22 in
    Track Belt/Shoe Width 16 in
    O/A Undercarriage Length 102 in
    Maximum Blade Height 16 in
    O/A Shipping Length 210 in
    Maximum Reach - Ground Level 222 in
    Boom Swing - Right 31 in
    Maximum Dig Height 210 in
    Vertical Wall 92 in
    Tail Swing 44 in
    Boom Height - Shipping Position 69 in
    Boom Swing - Left 27 in
    O/A Track Width 78 in
    Maximum Dump Clearance 150 in
    Swing Bearing - Height 24 in
    Maximum Reach 228 in

    Undercarriage

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

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

    Blade Up - Front 3417 lb
    Blade Up - Side 2535 lb
    Blade Down - Side 2844 lb
    Blade Down - Front 5710 lb

    Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9”)

    Blade Down - Front 3042 lb
    Blade Up - Side 1367 lb
    Blade Up - Front 1808 lb
    Blade Down - Side 1521 lb

    Certification - Cab and Canopy

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

    Cab

    Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A)
    Note *European Union Directive “2000/14/EC”
    Exterior Sound Power Level - ISO 6395:2008* 97 dB(A)

    Air Conditioning System

    Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.4 metric tonnes.