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Ziegler CAT

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.

Brand: Caterpillar

Photos

Specifications

  • Engine
    SpecValue
    Engine Model Cat® C2.4
    Net Power 40.2 HP
    Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 40.2 HP
    Displacement 146 in³
    Bore 3.4 in
    Stroke 4 in
    Gross Power - ISO 14396 41.8 HP
    Emissions *Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
  • Weights*
    SpecValue
    Weight - Canopy, Standard Stick 8655 lb
    Operating Weight 8996 lb
    Weight - Cab, Long Stick 8996 lb
    Weight - Canopy, Long Stick 8721 lb
    Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
    Weight - Cab, Standard Stick 8930 lb
  • Travel System
    SpecValue
    Travel Speed - High 3.2 mile/h
    Maximum Traction Force - Low Speed 6969 lb
    Maximum Traction Force - High Speed 3799 lb
    Travel Speed - Low 2.1 mile/h
    Ground Pressure - Cab 4.3 psi
    Ground Pressure - Canopy 4.1 psi
    Gradeability - Maximum 30°
  • Hydraulic System
    SpecValue
    Auxiliary Circuit - Secondary (174 bar/2,524 psi) 6.6 gal/min
    Digging Force - Stick - Long 4384 lb
    Pump Flow at 2,200 rpm 26.4 gal/min
    Operating Pressure - Equipment 3553 psi
    Auxiliary Circuit - Primary (186 bar/2,734 psi) 18.5 gal/min
    Operating Pressure - Swing 3132 psi
    Digging Force - Stick - Standard 4856 lb
    Operating Pressure - Travel 3553 psi
    Digging Force - Bucket 8498 lb
    Type Load Sensing Hydraulics with Variable Displacement Piston Pump
  • Swing System
    SpecValue
    Machine Swing Speed 10 r/min
    Boom Swing - Right 50°
    Boom Swing - Left - Without Stop* 70°
    Boom Swing - Left - With Stop* 55°
    Note *Automatic swing brake, spring applied, hydraulic release.
  • Blade
    SpecValue
    Width 76.8 in
    Height 12.8 in
    Dig Depth 18.5 in
    Lift Height 15.7 in
  • Service Refill Capacities
    SpecValue
    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)
  • Operating Specifications
    SpecValue
    Machine Overhang 0 in
    Stick Length - Standard 52 in
    Stick Length - Long 64 in
  • Dimensions - Long Stick
    SpecValue
    Boom In Reach 87 in
    O/A Track Width 77 in
    O/A Shipping Length 194 in
    Vertical Wall 101 in
    Dig Depth 135 in
    Maximum Dump Clearance 145 in
    Swing Bearing - Height 22 in
    Maximum Blade Height 16 in
    Maximum Blade Depth 19 in
    O/A Undercarriage Length 87 in
    Tail Swing 38 in
    O/A Shipping Height 98 in
    Maximum Reach - Ground Level 215 in
    Boom Swing - Right 29 in
    Maximum Dig Height 200 in
    Boom Height - Shipping Position 70 in
    Track Belt/Shoe Width 14 in
    Boom Swing - Left 26 in
    Maximum Reach 220 in
  • Dimensions - Standard Stick
    SpecValue
    Boom Height - Shipping Position 58 in
    Boom Swing - Left 26 in
    O/A Shipping Height 98 in
    Maximum Reach 211 in
    O/A Undercarriage Length 87 in
    Tail Swing 38 in
    O/A Track Width 77 in
    O/A Shipping Length 190 in
    Dig Depth 123 in
    Vertical Wall 95 in
    Maximum Dig Height 196 in
    Boom In Reach 83 in
    Maximum Dump Clearance 141 in
    Swing Bearing - Height 22 in
    Maximum Reach - Ground Level 206 in
    Track Belt/Shoe Width 14 in
    Boom Swing - Right 29 in
    Maximum Blade Depth 19 in
    Maximum Blade Height 16 in
  • Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (118 in)
    SpecValue
    Blade Down - Side 2007 lb
    Blade Up - Side 1808 lb
    Blade Down - Front 3462 lb
    Blade Up - Front 1808 lb
  • Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (177 in)
    SpecValue
    Blade Up - Front 948 lb
    Blade Down - Front 1896 lb
    Blade Down - Side 1058 lb
    Blade Up - Side 948 lb
  • Cab
    SpecValue
    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* 96 dB(A)
  • Certification - Cab and Canopy
    SpecValue
    Tip Over Protective Structure (TOPS) ISO 12117
    Top Guard ISO 10262 (Level I)
    Roll Over Protective Structure (ROPS) ISO 12117-2
  • Air Conditioning System
    SpecValue
    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.
  • Undercarriage
    SpecValue
    Track Roller Type Center Flange
    Number of Carrier Rollers 1
    Number of Track Rollers 4