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Home New Excavators 304E2 CR Mini Hydraulic Excavator

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.

Lease for $747/month. Cab AC, Hydraulic Thumb, Manual Coupler & 5yr Total Warranty.

Buy Used

Engine

Net Power 40.2HP
Engine Model Cat C2.4
Gross Power - ISO 14396 41.8HP
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
Bore 3.4in
Stroke 4in

Weights*

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

Dimensions - Long Stick

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

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)

Dimensions - Standard Stick

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

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

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

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

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

Cab

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

Travel System

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

Operating Specifications

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

Hydraulic System

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

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