Cat Excavators:

308E2 CR Mini Hydraulic Excavator with Swing Boom

Engine Model
Cat® C3.3B
Net Power
65.0 hp
Operating Weight
18519.0 lb
Operating Weight with Cab
18519.0 lb

The Cat® 308E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.



Benefits & Features

Product Specs

  • Engine

  • Engine Model
    Cat® C3.3B
    Net Power
    65.0hp
    Bore
    3.7in
    Displacement
    203.2in3
    Gross Power (ISO 14396)
    66.6hp
    Net Power (ISO 9249)
    65.0hp
    Rated Net Power @ 2,400 rpm (ISO 9249/EEC 80/1269)
    65.0hp
    Stroke
    4.7in
    Emissions
    Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
  • Weights

  • Operating Weight
    18519.0lb
    Operating Weight with Cab
    18519.0lb
    Note
    Weight with rubber tracks, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines.
    Note
    Weight varies depending on machine configuration.
  • Hydraulic System

  • Digging Force – Stick (long)
    7891.0lb
    Digging Force – Bucket
    13534.0lb
    Digging Force – Stick (standard)
    9015.0lb
    Auxiliary Circuit – Primary (186 bar/2,734 psi)
    33.8gal/min
    Auxiliary Circuit – Secondary (174 bar/2,524 psi)
    16.9gal/min
    Operating Pressure – Equipment
    4061.0psi
    Operating Pressure – Swing
    3481.0psi
    Operating Pressure – Travel
    4061.0psi
    Pump Flow at 2,000 rpm
    39.6gal/min
    Note
    Load sensing hydraulics with variable displacement piston pump.
  • Swing System

  • Machine Swing Speed
    11.0rpm
    Boom Swing – Right
    50°
    Boom Swing – Left
    60°
    Note
    Automatic swing break, spring applied, hydraulic release.
  • Blade

  • Width
    91.3in
    Height
    17.7in
    Dig Depth
    14.2in
    Lift Height
    15.0in
  • Service Refill Capacities

  • Cooling System
    3.7gal
    Engine Oil
    3.0gal
    Hydraulic Tank
    21.7gal
    Fuel Tank
    33.0gal
    Hydraulic System
    24.8gal
  • Travel System

  • Ground Pressure
    5.26psi
    Gradeability (maximum)
    30°
    Maximum Traction Force – High Speed
    8408lb
    Maximum Traction Force – Low Speed
    14500lb
    Travel Speed – High
    3.17mph
    Travel Speed – Low
    1.74mph
    Note
    Each track is driven by one independent 2-speed motor.
    Note
    Drive modules are integrated into the roller frame for total protection.
    Note
    Straight line travel when tracking and operating the front linkage simultaneously.
  • Operating Specifications

  • Counterweight
    551.0lb
    Machine Overhang
    11.0in
    Machine Overhang with Counterweight
    16.0in
    Maximum Dig Depth
    13.62ft
    Stick Length – Long
    7.25ft
    Stick Length – Standard
    5.50ft
  • Cab

  • Average Exterior Sound Pressure
    99 dB(A) ISO 6395 – Dynamic Test
    Dynamic Operator Sound Pressure
    70 dB(A) ISO 6396

Equipment

  • Engine
    • Cat C3.3B diesel engine (meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards)
    • 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
    • Air conditioning/heat
    • COMPASS: complete, operation, maintenance, performance and security system
      • Multiple languages
    • Cup holder
    • High back suspension seat, heated
    • Hydraulic neutral lockout bar
    • Interior light
    • Literature holder
    • Pattern changer (optional in Europe)
    • Radio (optional in Europe)
    • Site reference system: leveling
    • Tool storage area
    • Travel control pedals with hand levers
    • Washable floor mat
    • Windshield wiper
  • Undercarriage
    • Dozer blade with float function
    • Track, rubber belt, 450 mm (18 in) width
    • Tie down eyes on track frame
    • Towing eye on base frame
  • Front Linkage
    • 180 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
    • Cab and boom light with time delay capability
    • Mirror, rear view, cab left
  • Safety And Security
    • Anti-theft system (COMPASS)
    • Caterpillar Corporate “One Key” System
    • Door locks
    • Lockable fuel cap
    • Rearview camera
    • Retractable seat belt
    • Roll Over Protective Structure (ROPS) (ISO 12117-2)
    • Tip Over Protective Structure (TOPS) (ISO 12117)
    • Top guard – ISO 10262 (Level II)
    • Travel alarm (optional in Europe)
  • Engine
    • Engine block heater
  • Hydraulic System
    • Quick coupler lines
    • Boom lowering check valve (Standard on VAB configuration.)
    • Stick lowering check valve (Standard on VAB configuration.)
    • Secondary auxiliary hydraulic lines (Standard on VAB configuration.)
  • Undercarriage
    • Blade, weld on
    • Track, triple grouser (steel), 450 mm (18 in)
    • Track, triple grouser (steel) with rubber pad, 450 mm (18 in)
    • Track, triple grouser (steel), 600 mm (24 in)
  • Front Linkage
    • Quick coupler: manual or hydraulic
    • Thumb
    • Buckets
    • Full range of performance matched work tools
      • Auger, hammer, shear, ripper
  • Lights And Mirrors
    • Mirror, cab rear
  • Safety And Security
    • Battery disconnect
    • Front wire mesh guard
    • Front steel plate guard
    • Rain guard
  • Technology
    • Product Link
  • Other Attachments
    • Counterweight, extra, 1121 kg (2,493 lb) (Standard on VAB configuration.)

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