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308 CR Mini Hydraulic Excavator

The Cat® 308 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

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SPECIFICATION SUMMARY
  • Net Power 69.5 HP
  • Operating Weight 20077 lb
  • Dig Depth 182.8 in
  • Engine Model Cat C3.3B

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Net Power
    69.5 HP
  • Engine Model
    Cat C3.3B
  • Stroke
    4.7 in
  • Bore
    3.7 in
  • Displacement
    203 in³
  • Gross Power - ISO 14396
    74.3 HP
  • Gross Power - SAE J1995
    74.3 HP

Weights

  • Operating Weight
    20077 lb
  • Note (1)
    *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
  • Note (2)
    **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.

Dimensions - Long Stick

  • Dig Depth
    182.8 in
  • Boom Swing - Left
    23.8 in
  • Maximum Dig Height
    277.1 in
  • Overall Shipping Length - with Counterweight
    6872 mm (270.6 in)***
  • Maximum Blade Height
    14.6 in
  • Track Belt/Shoe Width
    17.7 in
  • O/A Undercarriage Length
    113.4 in
  • Maximum Dump Clearance
    199.7 in
  • Boom Swing - Right
    36.8 in
  • Maximum Blade Depth
    16 in
  • Maximum Reach
    300.7 in
  • Maximum Reach - Ground Level
    293.7 in
  • Swing Bearing - Height
    29.7 in
  • O/A Shipping Length
    262 in
  • Boom In Reach
    126.6 in
  • O/A Track Width
    90.6 in
  • Vertical Wall
    134 in

Blade

  • Height
    17 in

Swing System

  • Machine Swing Speed
    10.6 r/min
  • Boom Swing - Right
    50 degrees
  • Boom Swing - Left
    60 degrees

Hydraulic System

  • Digging Force - Bucket
    13946 lb
  • Operating Pressure - Travel
    4134 psi
  • Operating Pressure - Swing
    3626 psi
  • Operating Pressure - Equipment
    4134 psi
  • Digging Force - Stick - Long
    8032 lb
  • Type
    Load Sensing Hydraulics with Variable Displacement Piston Pump
  • Pump Flow at 2,400 rpm
    44 gal/min
  • Digging Force - Stick - Standard
    9509 lb
  • Note
    Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Dimensions - Standard Stick

  • Cab Height
    100 in
  • Vertical Wall
    117.8 in
  • Boom In Reach
    120.4 in
  • Boom Swing - Right
    36.8 in
  • Track Belt/Shoe Width
    17.7 in
  • Maximum Reach
    281.1 in
  • Maximum Blade Height
    14.6 in
  • Boom Swing - Left
    23.8 in
  • Maximum Blade Depth
    16 in
  • O/A Track Width
    90.6 in
  • Maximum Dig Height
    265.2 in
  • Maximum Dump Clearance
    187.4 in
  • Maximum Reach - Ground Level
    273.6 in
  • O/A Undercarriage Length
    113.4 in
  • Swing Bearing - Height
    29.7 in
  • Dig Depth
    161.7 in
  • O/A Shipping Length
    259 in

Service Refill Capacities

  • Fuel Tank
    39 gal (US)
  • Hydraulic System
    29 gal (US)
  • Hydraulic Tank
    14 gal (US)
  • Cooling System
    2.6 gal (US)
  • Engine Oil
    3 gal (US)

Travel System

  • Maximum Traction Force - High Speed
    6250 lb
  • Travel Speed - High
    3.2 mile/h
  • Travel Speed - Low
    1.9 mile/h
  • Maximum Traction Force - Low Speed
    15175 lb
  • Gradeability - Maximum
    30 degrees

Air Conditioning System

  • Air Conditioning
    The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.

Sound

  • Note
    European Union Directive "2000/14/EC"

ALL DAY COMFORT

  • A sealed and pressurized cab is equipped with an improved air conditioning system, adjustable wrist rests and a suspension seat to help keep you working comfortably all day long.

EASY TO OPERATE

  • Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.

STICK STEER TRAVEL MODE

  • Moving around the job site is even easier with Cat Stick Steer. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. The benefit of less effort and improved control is in your hands!

BIG PERFORMANCE IN A MINI DESIGN

  • Increased lifting, swinging, travel and multi-functioning performance help you get the job done more efficiently, and blade float allows for easy clean up.

SAFETY ON THE JOB SITE

  • Your safety is our top priority. The Cat Mini Excavator is designed to help keep you safe on the job. A back-up camera, courtesy work lights and a fluorescent retractable seat belt are just a few of the safety features we‚Äôve built into the machine.

SIMPLE SERVICE FOR LESS DOWNTIME

  • Maintenance is quick and easy on the Cat Mini Excavator. Routine check points are easy to access at ground level with grouped service points and robust service panels.

LOWER OPERATING COSTS

  • Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat Mini Excavator was designed with reducing your operating costs in mind.

UNMATCHED DEALER SUPPORT

  • Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.

Standard Equipment:

  • Engine
    • Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
    • Automatic Engine Idle
    • Automatic Engine Shutdown
    • Automatic Swing Brake
    • Automatic Two Speed Travel
    • Fuel Water Separator with Indicator
    • Radial Seal – Double Element Air Filter
    • Extended Life Coolant, –37° C (–35° F)
  • Hydraulics
    • Electronic Variable Displacement Piston Pump
    • Load Sensing/Flow Sharing Hydraulics
    • Power On Demand
    • Hydraulic Temperature Monitoring
    • Certified Accumulator
    • HYDO Advanced Hydraulic Oil
  • Operator Environment
    • Top Guard ISO 10262 1998 Level I
    • ROPS ISO 12117-2:2008
    • Stick Steer Mode
    • Travel Cruise Control
    • Control Pattern Changer
    • Adjustable Wrist Rests
    • Molded Footrests
    • Removable, Washable Floor Mat
    • Travel Pedals and Hand Levers
    • Cat Key with Passcode Option
    • HVAC with Automatic Temperature Control
    • Hydraulic Lockout Controls
    • Integrated Lower Front Window
    • Assisted Front Window Overhead Storage
    • Rear Window Emergency Exit
    • Fabric, High Back, Suspension Seat
    • Retractable Seat Belt (75 mm/3 in)
    • Coat Hook
    • Cup Holder
    • LED Interior Light
    • Literature Holder
    • Mounting Bosses for Top and Front Guards
    • 12V Power Socket
    • Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)
    • Skylight
    • Signaling/Warning Horn
    • Cab and (left side) Boom Work Lights
    • Utility Space for Mobile Phone
    • Next Generation Color LCD Monitor (IP66)
      – Jog Dial Interface
      – Fuel Level and Coolant Temperature Gauges
      – Maintenance and Machine Monitoring
      – Performance and Machine Adjustments
      – Numeric Security Code
      – Multiple Languages
      – Camera Ready (IP68 & IP69K)
      – Hour Meter with Wake Up Switch
  • Undercarriage
    • Greased and Lubricated Track
    • Tie Down Eyes on Track Frame
    • Dozer Blade
    • Dozer Float
    • Bolt-on, Reversible Wear Edge
  • Boom, Stick And Linkages
    • One Piece Boom (3400 mm/133.9 in)
    • Standard Stick (1820 mm/71.7 in)
    • Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler (not available in all regions)
    • Thumb Ready (not available in all regions)
  • Electrical
    • 12 Volt Electrical System
    • 60 Ampere Alternator
    • Circuit Breaker
    • 900 CCA Maintenance Free Battery
    • Battery Disconnect
    • Ignition Key Stop Switch
  • Other
    • Locks on External Enclosure Doors
    • Lockable Fuel Cap
    • Beacon Socket
    • Rear Reflectors

Optional Equipment:

  • Operator Environment
    • Push to Start with Bluetooth® Key
    • Air Suspension Heated Seat
    • Rain Visor
    • Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option)
      – Touch Screen
      – Site Reference System
      – High Definition Camera Capable (IP68 & IP69K)
      – Numeric Security Code
  • Undercarriage
    • Wide Dozer Blade
    • Steel Tracks (450 mm/17.7 in wide)
    • Wide Steel Tracks (600 mm/23.6 in)
    • Steel Track with Rubber Pads
    • Track Guides
  • Boom, Stick And Linkages
    • Long Stick (2360 mm/92.9 in)
    • Attachments including Buckets, Augers and Hammers
    • 2nd Auxiliary Hydraulic Lines
    • Boom Lowering Check Valve
    • Stick Lowering Check Valve
    • Certified Lifting Eye
  • Electrical
    • Product Link Elite (regulations apply)
    • Travel Alarm
    • Rearview Camera
    • Rotating Beacon
  • Guarding
    • Mesh Front Guard ISO 10262 1998 Level I
    • Heavy Duty Front Guard ISO 10262 1998 Level II
    • Overhead Cab Guard ISO 10262 1998 Level II
    • Polycarbonate Front Window EN356 P5A
    • Track Guards
  • Other
    • Additional Counterweight
    • Water Jacket Heater
    • Refueling Pump
    • Variable Angle Boom (refer to 308 CR VAB brochure for VAB specs and additional information)
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