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309 CR Mini Hydraulic Excavator

The Catยฎ 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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Engine

Net Power 69.5HP
Engine Model Cat C3.3B
Displacement 203inยณ
Bore 3.7in
Gross Power - SAE J1995 74.3HP
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 69.5HP
Stroke 4.7in

Weights

Operating Weight 21091lb
Maximum Operating Weight with Cab** 21091lb
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.
Minimum Operating Weight with Cab* 19735lb

Dimensions - Long Stick

Dig Depth 182.8in
Maximum Dump Clearance 199.7in
Boom In Reach 126.6in
Vertical Wall 134in
Maximum Blade Depth 26in
O/A Undercarriage Length 126in
O/A Track Width 97.2in
Stick Length 92.8in
Note *Boom Height when stick is pinned in transport position with no attachments.
Note (2) ***With blade positioned at the rear of the machine.
Maximum Blade Height 16.1in
Note (1) **Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Overall Shipping Length - with Counterweight 7052 mm (277.6 in)***
Maximum Dig Height 277.1in
Overall Shipping Length - without Counterweight 7052 mm (277.6 in)***
Tail Swing with Counterweight 62.4in
Maximum Reach 300.7in
Cab Height 100in
Ground Clearance 14in
Swing Bearing - Height 29.7in
Track Belt/Shoe Width 17.7in
Boom Swing - Left 23.8in
Boom Swing - Right 36.8in
Height - Boom Transport - No Tools* 89in
Height - Boom Working - With Tools** 120.1in
Tail Swing without Counterweight 57.1in
Maximum Reach - Ground Level 293.7in

Blade

Height 17in
Width - Wide 104in
Width - Standard 97in

Sustainability

Recyclability 96%

Hydraulic System

Maximum Auxiliary Circuit - High Flow - Pressure at Pump 4134lbf/in
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing 3626psi
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Digging Force - Stick - Standard 9500lb
Digging Force - Stick - Long 8023lb
Operating Pressure - Travel 4134psi
Pump Flow at 2,400 rpm 62gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9gal/min
Maximum Auxiliary Circuit - Primary - Flow at Pump 35gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134psi
Maximum Auxiliary Circuit - High Flow - Flow at Pump 37gal/min
Digging Force - Bucket 13943lb
Operating Pressure - Equipment 4134psi
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134psi

Dimensions - Standard Stick

Boom Swing - Right 36.8in
Maximum Dump Clearance 187.4in
Tail Swing without Counterweight 57.1in
Maximum Reach - Ground Level 273.6in
O/A Undercarriage Length 126in
Cab Height 100in
Swing Bearing - Height 29.7in
Maximum Dig Height 265.2in
Track Belt/Shoe Width 17.7in
Note *Boom Height when stick is pinned in transport position with no attachments.
O/A Track Width 97.2in
Note (2) ***With blade positioned at the rear of the machine.
Note (1) **Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Ground Clearance 14in
Maximum Reach 281.1in
Tail Swing with Counterweight 62.4in
Boom In Reach 120.4in
Vertical Wall 117.8in
Overall Shipping Length - without Counterweight 266.7in
Overall Shipping Length - with Counterweight 266.7in
Height - Boom Transport - No Tools* 95.7in
Height - Boom Working - With Tools** 104.7in
Dig Depth 161.7in
Stick Length 71.8in
Boom Swing - Left 23.8in
Maximum Blade Height 16.1in
Maximum Blade Depth 26in

Sound

Average Exterior Sound Pressure (ISO 6395:2008) 99dB(A)
Note European Union Directive "2000/14/EC"
Operator Sound Pressure (ISO 6396:2008) 72dB(A)

Travel System

Gradeability - Maximum 30 degrees
Ground Pressure - Minimum Weight 5psi
Ground Pressure - Maximum Weight 5.4psi
Travel Speed - High 3.1mile/h
Travel Speed - Low 1.6mile/h
Maximum Traction Force - High Speed 6497lb
Maximum Traction Force - Low Speed 19064lb

Certification - Cab

Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Top Guard ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS) ISO 12117:1997

Service Refill Capacities

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

Weight Increase from Minimum Configuration

Steel Tracks with Pads 728lb
Long Stick 146lb
Counterweight 552lb

Swing System

Machine Swing Speed 10.6r/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.

Standard Equipment

  • Engine
    • Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) โ€“ 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 โ€“ Double Element Air Filter
    • Extended Life Coolant, โ€“37ยฐ C (โ€“35ยฐ F)
  • Hydraulics
    • Electronic Variable Displacement Piston Pump
    • Load Sensing/Flow Sharing Hydraulics
    • Dedicated Auxiliary Hydraulic Pump
    • 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 โ€“ 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)
      โ€“ Jog Dial Interface
      โ€“ Fuel Level and Coolant Temperature Gauges
      โ€“ Maintenance and Machine Monitoring
      โ€“ Performance and Machine Adjustments
      โ€“ Numeric Security Code
      โ€“ Multiple Languages
      โ€“ Camera Ready (IP68 & IP69K)
      โ€“ 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 โ€“ 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)
      โ€“ Touch Screen
      โ€“ Site Reference System
      โ€“ High Definition Camera Capable (IP68 & IP69K)
      โ€“ 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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