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Ziegler CAT

Caterpillar

304E2 CR Mini Hydraulic Excavator

Net Power

40.2 HP

Operating Weight

8996 lb

Dig Depth

135 in

Overview

304E2 CR Mini Hydraulic Excavator

Photos

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Features

Specifications

  • Engine
    Spec Value
    Net Power 40.2 HP
    Rated 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*
    Spec Value
    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
    Spec Value
    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
    Spec Value
    Digging Force - Stick - Long 4384 lb
    Digging Force - Stick - Standard 4856 lb
    Auxiliary Circuit - Primary (186 bar/2,734 psi) 18.5 gal/min
    Operating Pressure - Travel 3553 psi
    Operating Pressure - Equipment 3553 psi
    Operating Pressure - Swing 3132 psi
    Auxiliary Circuit - Secondary (174 bar/2,524 psi) 6.6 gal/min
    Pump Flow at 2,200 rpm 26.4 gal/min
    Digging Force - Bucket 8498 lb
  • Swing System
    Spec Value
    Machine Swing Speed 10 r/min
  • Blade
    Spec Value
    Width 76.8 in
    Height 12.8 in
    Dig Depth 18.5 in
    Lift Height 15.7 in
  • Service Refill Capacities
    Spec Value
    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
    Spec Value
    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
    Spec Value
    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
    Spec Value
    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)
    Spec Value
    Blade Up - Side 1808 lb
    Blade Down - Side 2007 lb
    Blade Up - Front 1808 lb
    Blade Down - Front 3462 lb
  • Cab
    Spec Value
    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)
    Spec Value
    Blade Up - Front 948 lb
    Blade Down - Side 1058 lb
    Blade Down - Front 1896 lb
    Blade Up - Side 948 lb

Standard Equipment

ENGINE

  • Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final emission standards for North America and EU Stage IIIA/Tier 4 Interim emission standards for all other regions)
  • Automatic engine idle
  • Automatic engine shut-off
  • Automatic two speed travel
  • Diesel Particulate Filter (North America only)
  • Diesel Oxidation Catalyst (North America only)
  • Fuel and water separator
  • Power on demand

HYDRAULIC SYSTEM

  • 1-way and 2-way (combined function)
  • Accumulator
  • Automatic swing parking brake
  • Auxiliary hydraulic lines
  • Adjustable auxiliary relief
  • Auxiliary line quick disconnects
  • Cat interlock system: hydraulic lockout
  • Continuous auxiliary flow
  • Ecology drain
  • Hydraulic oil cooler
  • High definition hydraulics
  • Load sensing/flow sharing

OPERATOR ENVIRONMENT

  • 100% pilot control ergonomic joysticks
  • Adjustable armrests
  • COMPASS: complete, operation, maintenance, performance and security system
    • Multiple languages
  • Cup holder
  • Hydraulic neutral lockout bar
  • Literature holder
  • Pattern changer (optional in Europe)
  • Site reference system: leveling
  • Tool storage area
  • Travel control pedals with hand levers
  • Washable floor mat

UNDERCARRIAGE

  • Dozer blade with float function
  • Track, rubber belt, 350 mm (14 in) width
  • Tie down eyes on track frame
  • Towing eye on base frame

FRONT LINKAGE

  • 200 degree bucket rotation
  • Certified lifting eye on bucket linkage (optional in Europe)
  • Front shovel capable
  • Thumb ready stick

ELECTRICAL

  • 12 volt electrical system
  • 60 ampere alternator
  • 650 CCA maintenance free battery
  • Fuse box
  • Ignition key start/stop switch
  • Slow blow fuse
  • Warning horn

LIGHTS AND MIRRORS

  • Boom light with time delay capability

SAFETY AND SECURITY

  • Anti-theft system (COMPASS)
  • Caterpillar Corporate “One Key” System
  • Door locks
  • Lockable fuel cap
  • Retractable seat belt
  • Roll Over Protective Structure (ROPS) (ISO 12117-2)
  • Tip Over Protective Structure (TOPS) (ISO 12117)
  • Top guard – ISO 10262 (Level 1)
  • Travel alarm (optional in Europe)

TECHNOLOGY

  • Product Link™

Optional Equipment

ENGINE

  • Engine block heater

HYDRAULIC SYSTEM

  • Quick coupler lines
  • Boom lowering check valve
  • Stick lowering check valve
  • Secondary auxiliary hydraulic lines

OPERATOR ENVIRONMENT

  • Cab:
    • Air conditioning
    • Heat
    • High back suspension seat
    • Interior light
    • Interlocking front window system
    • Radio
    • Windshield wiper

UNDERCARRIAGE

  • Power angle blade
  • Track, double grouser (steel), 350 mm (14 in)

FRONT LINKAGE

  • Quick coupler: manual or hydraulic
  • Thumb
  • Buckets
  • Full range of performance matched work tools
    • Auger, hammer, ripper

LIGHTS AND MIRRORS

  • Light, cab with time delay capability
  • Mirror, canopy right
  • Mirror, canopy left
  • Mirror, cab rear

SAFETY AND SECURITY

  • Battery disconnect
  • Beacon socket
  • Front wire mesh guard
  • Rearview camera
  • Vandal guard