New CAT Equipment

309 CR VAB Mini Hydraulic Excavator

Mini Excavators Inspired by Our Customers

The Cat® 309 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.The 309 CR also features high flow hydraulics to handle power hungry attachments such as mulchers and brushcutters.

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Benefits

4 Industry First Features

Cat Exclusives in a Mini Excavator

Up to 10% Lower Total Ownership Costs

with improved fuel efficiency and longer service intervals

Up to 20% More Performance

with customizable operator settings and improvements in lift, swing, travel and multifunction

Learn more about the 309 CR VAB Mini Hydraulic Excavator

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  • 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.
  • Blade
    Height
    17 in
    Width - Standard
    97.2 in
    Width - Wide
    103.9 in
  • Certification - Cab
    Roll Over Protective Structure (ROPS)
    ISO 12117-2:2008
    Tip Over Protective Structure (TOPS)
    ISO 12117:1997
    Top Guard
    ISO 10262:1998 (Level II)
  • Dimensions - VAB In
    Boom Swing Left
    24 in
    Boom Swing Right
    37 in
    Boom in Reach
    122.8 in
    Cab Height
    100 in
    Dig Depth
    150.2 in
    Ground Clearance
    14 in
    Maximum Blade Depth
    19.1 in
    Maximum Blade Height
    16.1 in
    Maximum Dig Height
    205.5 in
    Maximum Dump Clearance
    135.8 in
    Maximum Reach
    256.5 in
    Maximum Reach at Ground Level
    248 in
    Overall Shipping Length
    255.7 in
    Overall Track Width
    97.2 in
    Overall Undercarriage Length
    126 in
    Stick Length
    71.7 in
    Swing Bearing Height
    29.8 in
    Tail Swing with Counterweight
    62.4 in
    Tail Swing without Counterweight
    57.1 in
    Track Belt/Shoe Width
    17.7 in
    Transport Height
    97.4 in
    Vertical Wall
    99.2 in
  • Dimensions - VAB Out
    Boom Swing Left
    24 in
    Boom Swing Right
    37 in
    Boom in Reach
    106.7 in
    Cab Height
    100 in
    Dig Depth
    136.2 in
    Ground Clearance
    14 in
    Maximum Blade Depth
    19.1 in
    Maximum Blade Height
    16.1 in
    Maximum Dig Height
    322 in
    Maximum Dump Clearance
    247.4 in
    Maximum Reach
    310.4 in
    Maximum Reach at Ground Level
    303.7 in
    Overall Shipping Length
    255.7 in
    Overall Track Width
    97.2 in
    Overall Undercarriage Length
    126 in
    Stick Length
    71.7 in
    Swing Bearing Height
    29.8 in
    Tail Swing with Counterweight
    62.4 in
    Tail Swing without Counterweight
    57.1 in
    Track Belt/Shoe Width
    17.7 in
    Transport Height
    97.4 in
    Vertical Wall
    146.7 in
  • Engine
    Bore
    3.7 in
    Displacement
    203 in³
    Engine Model - U.S. EPA Tier 4 Final/EU Stage V
    Cat C3.3B
    Gross Power - SAE J1995:2014
    74.3 hp
    Net Power
    69.5 hp
    Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC
    69.5 hp
    Note
    Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
    Stroke
    4.7 in
  • Hydraulic System
    Digging Force - Bucket
    13946 lbf
    Digging Force - Stick - Standard
    9509 lbf
    Maximum Auxiliary Circuit - Primary (High Flow) - Flow at Pump
    37 gal/min
    Maximum Auxiliary Circuit - Primary (High Flow) - Pressure at Pump
    4134 psi
    Maximum Auxiliary Circuit - Primary - Flow at Pump
    35 gal/min
    Maximum Auxiliary Circuit - Primary - Pressure at Pump
    4134 psi
    Maximum Auxiliary Circuit - Secondary - Flow at Pump
    9 gal/min
    Maximum Auxiliary Circuit - Secondary - Pressure at Pump
    4134 psi
    Note
    Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
    Operating Pressure - Equipment
    4134 psi
    Operating Pressure - Swing
    3626 psi
    Operating Pressure - Travel
    4134 psi
    Pump Flow at 2,400 rpm
    62 gal/min
    Type
    Load Sensing Hydraulics with Variable Displacement Piston Pump
  • Service Refill Capacities
    Cooling System
    2.6 gal (US)
    Engine Oil
    3 gal (US)
    Fuel Tank
    39 gal (US)
    Hydraulic System
    29 gal (US)
    Hydraulic Tank
    14 gal (US)
  • Sound
    Average Exterior Sound Pressure (ISO 6395:2008)
    99 dB(A)
    Note
    European Union Directive "2000/14/EC"
    Operator Sound Pressure (ISO 6396:2008)
    72 dB(A)
  • Specifications
    Note
    The 309 CR VAB specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR VAB with a Standard Undercarriage, please refer to the 308 CR information.
  • Sustainability
    Recyclability
    96%
  • Swing System
    Boom Swing - Left
    60 degrees
    Boom Swing - Right
    50 degrees
    Machine Swing Speed
    10.6 r/min
  • Travel System
    Gradeability - Maximum
    30 degrees
    Ground Pressure - Maximum Weight
    5.5 psi
    Ground Pressure - Minimum Weight
    5.1 psi
    Maximum Traction Force - High Speed
    6497 lbf
    Maximum Traction Force - Low Speed
    19064 lbf
    Travel Speed - High
    3.1 mile/h
    Travel Speed - Low
    1.6 mile/h
  • Weight Increase from Minimum Configuration
    Counterweight
    552 lb
    Standard Stick
    77 lb
    Steel Tracks with Pads
    728 lb
  • Weights
    Maximum Operating Weight*
    21477 lb
    Minimum Operating Weight*
    20121 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, standard stick, blade and no bucket.
    Operating Weight
    21477 lb
ENGINE
  • Cat C3.3 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)
  • Ecology Drain
HYDRAULICS
  • Smart Tech Electronic Pump
  • Electronic Variable Displacement Piston Pump
  • Load Sensing/Flow Sharing Hydraulics
  • Power On Demand
  • Hydraulic Temperature Monitoring
  • Certified Accumulator
  • HYDO Advanced Hydraulic Oil
  • Dedicated Auxiliary Hydraulic Pump
OPERATOR ENVIRONMENT
  • Top Guard ISO 10262 1998 Level I
  • ROPS ISO 12117-2:2008
  • Sealed and Pressurized Cab
  • 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
  • Hydraulic Track Adjusters
  • Tie Down Eyes on Track Frame
  • Dozer Blade
  • Dozer Float
  • Bolt-on, Reversible Wear Edge
BOOM, STICK AND LINKAGES
  • Variable Angle Boom
  • 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
  • 90 Ampere Alternator
  • Circuit Breaker
  • 850 CCA Maintenance Free Battery
  • Battery Disconnect
  • Ignition Key Stop Switch
OTHER
  • Locks on External Enclosure Doors
  • Lockable Fuel Cap
  • Beacon Socket
  • Rear Reflectors
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
  • 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

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