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309 CR VAB Mini Hydraulic Excavator

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.

Engine

Net Power

69.5HP

Gross Power - SAE J1995

74.3HP

Note

Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.

Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC

69.5HP

Engine Model - U.S. EPA Tier 4 Final/EU Stage V

Cat C3.3B

Displacement

203in³

Stroke

4.7in

Bore

3.7in

Weights

Operating Weight

21477lb

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.

Minimum Operating Weight*

20121lb

Maximum Operating Weight*

21477lb

Dimensions - VAB In

Dig Depth

150.2in

Cab Height

100in

Maximum Blade Depth

19.1in

Maximum Blade Height

16.1in

Stick Length

71.7in

Maximum Reach

256.5in

Tail Swing without Counterweight

57.1in

Vertical Wall

99.2in

Swing Bearing Height

29.8in

Track Belt/Shoe Width

17.7in

Boom Swing Right

37in

Overall Track Width

97.2in

Overall Shipping Length

255.7in

Maximum Dump Clearance

135.8in

Boom in Reach

122.8in

Maximum Reach at Ground Level

248in

Transport Height

97.4in

Overall Undercarriage Length

126in

Ground Clearance

14in

Tail Swing with Counterweight

62.4in

Maximum Dig Height

205.5in

Boom Swing Left

24in

Blade

Height

17in

Width - Wide

103.9in

Width - Standard

97.2in

Travel System

Maximum Traction Force - High Speed

6497lbf

Travel Speed - Low

1.6mile/h

Ground Pressure - Maximum Weight

5.5psi

Maximum Traction Force - Low Speed

19064lbf

Gradeability - Maximum

30 degrees

Ground Pressure - Minimum Weight

5.1psi

Travel Speed - High

3.1mile/h

Service Refill Capacities

Fuel Tank

39gal (US)

Hydraulic System

29gal (US)

Engine Oil

3gal (US)

Cooling System

2.6gal (US)

Hydraulic Tank

14gal (US)

Hydraulic System

Operating Pressure - Travel

4134psi

Type

Load Sensing Hydraulics with Variable Displacement Piston Pump

Digging Force - Stick - Standard

9509lbf

Digging Force - Bucket

13946lbf

Pump Flow at 2,400 rpm

62gal/min

Operating Pressure - Swing

3626psi

Note

Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Operating Pressure - Equipment

4134psi

Maximum Auxiliary Circuit - Secondary - Flow at Pump

9gal/min

Maximum Auxiliary Circuit - Secondary - Pressure at Pump

4134psi

Maximum Auxiliary Circuit - Primary - Flow at Pump

35gal/min

Maximum Auxiliary Circuit - Primary - Pressure at Pump

4134psi

Maximum Auxiliary Circuit - Primary (High Flow) - Pressure at Pump

4134psi

Maximum Auxiliary Circuit - Primary (High Flow) - Flow at Pump

37gal/min

Swing System

Machine Swing Speed

10.6r/min

Boom Swing - Left

60 degrees

Boom Swing - Right

50 degrees

Certification - Cab

Top Guard

ISO 10262:1998 (Level II)

Roll Over Protective Structure (ROPS)

ISO 12117-2:2008

Tip Over Protective Structure (TOPS)

ISO 12117:1997

Sound

Average Exterior Sound Pressure (ISO 6395:2008)

99dB(A)

Operator Sound Pressure (ISO 6396:2008)

72dB(A)

Note

European Union Directive "2000/14/EC"

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.

Dimensions - VAB Out

Ground Clearance

14in

Cab Height

100in

Boom in Reach

106.7in

Vertical Wall

146.7in

Swing Bearing Height

29.8in

Maximum Dump Clearance

247.4in

Overall Undercarriage Length

126in

Maximum Reach at Ground Level

303.7in

Tail Swing without Counterweight

57.1in

Maximum Reach

310.4in

Track Belt/Shoe Width

17.7in

Overall Shipping Length

255.7in

Maximum Blade Depth

19.1in

Maximum Dig Height

322in

Overall Track Width

97.2in

Tail Swing with Counterweight

62.4in

Stick Length

71.7in

Maximum Blade Height

16.1in

Boom Swing Right

37in

Boom Swing Left

24in

Transport Height

97.4in

Dig Depth

136.2in

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.

Weight Increase from Minimum Configuration

Steel Tracks with Pads

728lb

Counterweight

552lb

Standard Stick

77lb

Standard Equipment:

  • 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

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
    • 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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