304E2 CR Mini Hydraulic Excavator

Product description

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.

Engine
  • Net Power - 40.2HP
  • 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 - 40.2HP
  • Displacement - 146in³
  • Stroke - 4in
  • Bore - 3.4in
  • Gross Power - ISO 14396 - 41.8HP
Weights*
  • Operating Weight - 8996lb
  • Weight - Canopy, Standard Stick - 8655lb
  • Weight - Canopy, Long Stick - 8721lb
  • Weight - Cab, Long Stick - 8996lb
  • Weight - Cab, Standard Stick - 8930lb
Dimensions - Long Stick
  • Dig Depth - 135in
  • Maximum Dig Height - 200in
  • Maximum Reach - 220in
  • Vertical Wall - 101in
  • O/A Shipping Height - 98in
  • Boom Swing - Right - 29in
  • Maximum Blade Depth - 19in
  • O/A Track Width - 77in
  • Maximum Dump Clearance - 145in
  • Swing Bearing - Height - 22in
  • Boom Height - Shipping Position - 70in
  • Track Belt/Shoe Width - 14in
  • O/A Shipping Length - 194in
  • Maximum Reach - Ground Level - 215in
  • O/A Undercarriage Length - 87in
  • Maximum Blade Height - 16in
  • Tail Swing - 38in
  • Boom Swing - Left - 26in
  • Boom In Reach - 87in
Swing System
  • Machine Swing Speed - 10r/min
Blade
  • Width - 76.8in
  • Height - 12.8in
  • Dig Depth - 18.5in
  • Lift Height - 15.7in
Service Refill Capacities
  • Cooling System - 1.5gal (US)
  • Engine Oil - 2.5gal (US)
  • Hydraulic Tank - 11.2gal (US)
  • Fuel Tank - 12.2gal (US)
  • Hydraulic System - 17.2gal (US)
Travel System
  • Maximum Traction Force - High Speed - 3799lb
  • Maximum Traction Force - Low Speed - 6969lb
  • Travel Speed - High - 3.2mile/h
  • Travel Speed - Low - 2.1mile/h
  • Ground Pressure - Canopy - 4.1psi
  • Ground Pressure - Cab - 4.3psi
Hydraulic System
  • Digging Force - Stick - Long - 4384lb
  • Note - Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
  • Digging Force - Stick - Standard - 4856lb
  • Operating Pressure - Travel - 3553psi
  • Operating Pressure - Equipment - 3553psi
  • Operating Pressure - Swing - 3132psi
  • Pump Flow at 2,200 rpm - 26.4gal/min
  • Maximum Auxiliary Circuit - Secondary - Flow at Pump - 6.6gal/min
  • Maximum Auxiliary Circuit - Primary - Flow at Pump - 17.2gal/min
  • Maximum Auxiliary Circuit - Primary - Pressure at Pump - 3553psi
  • Maximum Auxiliary Circuit - Secondary - Pressure at Pump - 3553psi
  • Digging Force - Bucket - 8498lb
Dimensions - Standard Stick
  • Maximum Dig Height - 196in
  • Swing Bearing - Height - 22in
  • Maximum Dump Clearance - 141in
  • Boom Swing - Left - 26in
  • Boom In Reach - 83in
  • Maximum Blade Depth - 19in
  • O/A Shipping Height - 98in
  • Maximum Reach - 211in
  • Vertical Wall - 95in
  • Maximum Reach - Ground Level - 206in
  • Track Belt/Shoe Width - 14in
  • Maximum Blade Height - 16in
  • O/A Track Width - 77in
  • Boom Height - Shipping Position - 58in
  • O/A Undercarriage Length - 87in
  • Dig Depth - 123in
  • Tail Swing - 38in
  • O/A Shipping Length - 190in
  • Boom Swing - Right - 29in
Operating Specifications
  • Stick Length - Long - 64in
  • Machine Overhang - 0in
  • Stick Length - Standard - 52in
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (118 in)
  • Blade Up - Side - 1808lb
  • Blade Down - Side - 2007lb
  • Blade Up - Front - 1808lb
  • Blade Down - Front - 3462lb
Cab
  • Dynamic Operator Sound Pressure Level (ISO 6396:2008) - 81dB(A)
  • Exterior Sound Power Level - ISO 6395:2008* - 96dB(A)
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (177 in)
  • Blade Up - Front - 948lb
  • Blade Down - Side - 1058lb
  • Blade Down - Front - 1896lb
  • Blade Up - Side - 948lb
Standard Equipment:
  • Engine
    • Cat C2.4 diesel engine (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)
    • 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
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