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308E2 CR Standard Equipment

  • 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

  • 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

  • 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

  • Dozer blade with float function
  • Track, rubber belt, 450 mm (18 in) width
  • Tie down eyes on track frame
  • Towing eye on base frame

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

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

  • Cab and boom light with time delay capability
  • Mirror, rear view, cab left

  • 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)

308E2 CR Optional Equipment

  • Engine block heater

  • 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.)

  • 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)

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

  • Mirror, cab rear

  • Battery disconnect
  • Front wire mesh guard
  • Front steel plate guard
  • Rain guard

  • Product Link™

  • Counterweight, extra, 1121 kg (2,493 lb) (Standard on VAB configuration.)


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.


Engine Model Cat® C3.3B Cat® C3.3B Less
Net Power 65.0 hp 48.5 kW Less
Bore 3.7 in 94.0 mm Less
Displacement 203.2 in3 3.33 L Less
Gross Power (ISO 14396) 66.6 hp 49.7 kW Less
Net Power (ISO 9249) 65.0 hp 48.5 kW Less
Rated Net Power @ 2,400 rpm (ISO 9249/EEC 80/1269) 65.0 hp 48.5 kW Less
Stroke 4.7 in 120.0 mm Less
Emissions Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards. Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards. Less


Operating Weight 18519.0 lb 8400.0 kg Less
Operating Weight with Cab 18519.0 lb 8400.0 kg Less
Note Weight with rubber tracks, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines. Weight with rubber tracks, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines. Less
Note Weight varies depending on machine configuration. Weight varies depending on machine configuration. Less

Travel System

Ground Pressure 5.26 psi 36.3 kPa Less
Gradeability (maximum) 30° 30° Less
Maximum Traction Force – High Speed 8408.0 lb 37.4 kN Less
Maximum Traction Force – Low Speed 14500.0 lb 64.5 kN Less
Travel Speed – High 3.17 mph 5.1 km/h Less
Travel Speed – Low 1.74 mph 2.8 km/h Less
Note Each track is driven by one independent 2-speed motor. Each track is driven by one independent 2-speed motor. Less
Note Drive modules are integrated into the roller frame for total protection. Drive modules are integrated into the roller frame for total protection. Less
Note Straight line travel when tracking and operating the front linkage simultaneously. Straight line travel when tracking and operating the front linkage simultaneously. Less

Hydraulic System

Digging Force – Stick (long) 7891.0 lb 35.1 kN Less
Digging Force – Bucket 13534.0 lb 60.2 kN Less
Digging Force – Stick (standard) 9015.0 lb 40.1 kN Less
Auxiliary Circuit – Primary (186 bar/2,734 psi) 33.8 gal/min 128.0 L/min Less
Auxiliary Circuit – Secondary (174 bar/2,524 psi) 16.9 gal/min 64.0 L/min Less
Operating Pressure – Equipment 4061.0 psi 28000.0 kPa Less
Operating Pressure – Swing 3481.0 psi 24000.0 kPa Less
Operating Pressure – Travel 4061.0 psi 28000.0 kPa Less
Pump Flow at 2,000 rpm 39.6 gal/min 150.0 L/min Less
Note Load sensing hydraulics with variable displacement piston pump. Load sensing hydraulics with variable displacement piston pump. Less

Swing System

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


Width 91.3 in 2320.0 mm Less
Height 17.7 in 450.0 mm Less
Dig Depth 14.2 in 360.0 mm Less
Lift Height 15.0 in 380.0 mm Less

Service Refill Capacities

Cooling System 3.7 gal 14.0 L Less
Engine Oil 3.0 gal 11.2 L Less
Hydraulic Tank 21.7 gal 82.0 L Less
Fuel Tank 33.0 gal 125.0 L Less
Hydraulic System 24.8 gal 94.0 L Less

Operating Specifications

Counterweight 551.0 lb 251.0 kg Less
Machine Overhang 11.0 in 279.4 mm Less
Machine Overhang with Counterweight 16.0 in 406.0 mm Less
Maximum Dig Depth 13.62 ft 4150.0 mm Less
Stick Length – Long 7.25 ft 2210.0 mm Less
Stick Length – Standard 5.5 ft 1670.0 mm Less


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


  • The durable hoods and frame and the compact radius design of the 308E2 CR let you work comfortably and confidently in confined areas.
  • The operator environment includes a high quality suspension seat, easy to adjust armrests and 100% pilot controls which offer consistent and long-lasting controllability.


  • High Definition Hydraulic System provides a load sensing and flow sharing capability leading to operational precision, efficient performance and greater controllability.
  • Power on Demand provides optimal efficiency and performance the moment you need it. This automatic system ensures fuel efficiency through appropriate engine rating to meet all operational needs as required.


  • Broad range of Cat Work Tools make the Cat Mini Excavator a versatile machine, able to meet the requirements of any job site.
  • 180 degrees of bucket rotation provides greater material retention during truck loading and easier flat wall digging without having to reposition the machine.


  • Front shovel bucket orientation provides the operator with more ways to get the job done faster.
  • COMPASS Control Panel is a standard feature that allows the operator to easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button.
  • The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing.
  • Rearview camera improves operator productivity and efficiency through increased visibility, making work easier to complete.


  • Convenient service and maintenance requirements include ease of access to daily check points, 500 hour engine oil and filter change period, 500 hour grease interval on front implement, S·O·SSM oil sampling valve and overall long term durability.


  • All Cat Mini Excavators from 3.5 metric tons to 8 metric tons are ROPS, TOPS and Top Guard Level II certified and include the Cat Interlock (hydraulic lockout) System, a certified accumulator which allows for auxiliary pressure to be released, making connecting and disconnecting work tools safer and easier, and a travel alarm. All of these safety features are standard on the E2 model lineup (travel alarm optional in Europe).

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*Currency conversions have been made where indicated for your convenience. You should not rely on such information as it is obtained from a third party, may not be accurate and is subject to fluctuation. Agreement regarding currency conversions, if any, will be made between you and the selling party.

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