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309 CR Mini Hydraulic Excavator

The Cat® 309 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 21091 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
  • Displacement
    203 in³
  • Bore
    3.7 in
  • Gross Power - ISO 14396
    74.3 HP
  • Stroke
    4.7 in
  • Gross Power - SAE J1995
    74.3 HP

Weights

  • Operating Weight
    21091 lb
  • Note (1)
    *Minimum Weight is based on steel 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
  • O/A Shipping Length
    268 in
  • Overall Shipping Length - without Counterweight
    7052 mm (277.6 in)***
  • Maximum Dump Clearance
    199.7 in
  • O/A Track Width
    97.2 in
  • Boom In Reach
    126.6 in
  • Vertical Wall
    134 in
  • Maximum Blade Depth
    26 in
  • O/A Undercarriage Length
    126 in
  • Maximum Blade Height
    16.1 in
  • Maximum Dig Height
    277.1 in
  • Maximum Reach
    300.7 in
  • Swing Bearing - Height
    29.7 in
  • Track Belt/Shoe Width
    17.7 in
  • Boom Swing - Left
    23.8 in
  • Boom Swing - Right
    36.8 in
  • Maximum Reach - Ground Level
    293.7 in

Blade

  • Height
    17 in

Dimensions - Standard Stick

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

Hydraulic System

  • Type
    Load Sensing Hydraulics with Variable Displacement Piston Pump
  • Operating Pressure - Swing
    3626 psi
  • Digging Force - Stick - Standard
    9500 lb
  • Digging Force - Stick - Long
    8023 lb
  • Operating Pressure - Travel
    4134 psi
  • Pump Flow at 2,400 rpm
    62 gal/min
  • Digging Force - Bucket
    13943 lb
  • Operating Pressure - Equipment
    4134 psi
  • Note
    Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Travel System

  • Gradeability - Maximum
    30 degrees
  • Travel Speed - High
    3.1 mile/h
  • Travel Speed - Low
    1.6 mile/h
  • Maximum Traction Force - High Speed
    6497 lb
  • Maximum Traction Force - Low Speed
    19064 lb

Service Refill Capacities

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

Sound

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

Swing System

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

Specifications

  • Note
    The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage.

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 the Cat Stick Steer option. 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 helps 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’ve 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
    • Ecology Drain
  • 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
    • Travel Alarm
  • 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 with Case Drain
    • Boom Lowering Check Valve
    • Stick Lowering Check Valve
    • Certified Lifting Eye
  • Electrical
    • Product Link Elite (regulations apply)
    • Rearview Camera
    • Rotating Beacon
  • Guarding
    • Mesh Front Guard ISO 10262 1998 Level I
    • Heavy Duty Front Guard ISO 10262 1998 Level II
    • Top Guard ISO 10262 1998 Level II
    • Polycarbonate Front Window EN356 P5A (Cab Only)
    • Track Guards
  • Other
    • Additional Counterweight
    • Water Jacket Heater
    • Refueling Pump
    • Variable Angle Boom (refer to 309 CR VAB brochure for VAB specs and additional information)
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