Net Power

69.5 hp

Operating Weight

21477 lb

Dig Depth

150.2 in

309 CR VAB Mini Hydraulic Excavator

ABOUT THE 309 CR

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.

Add the 309 CR VAB MINI Model to the Cart
Net Power
69.5hp
Displacement
203in³
Stroke
4.7in
Bore
3.7in
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
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
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
Height
17in
Width – Wide
103.9in
Width – Standard
97.2in
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.
Steel Tracks with Pads
728lb
Counterweight
552lb
Standard Stick
77lb
Ground Pressure – Minimum Weight
5.1psi
Travel Speed – High
3.1mile/h
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
Fuel Tank
39gal (US)
Hydraulic System
29gal (US)
Engine Oil
3gal (US)
Cooling System
2.6gal (US)
Hydraulic Tank
14gal (US)
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
Machine Swing Speed
10.6r/min
Boom Swing – Left
60 degrees
Boom Swing – Right
50 degrees
Top Guard
ISO 10262:1998 (Level II)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
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
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.
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
Recyclability
96%
  • 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

Why Choose Louisiana Cat

We serve to build and power our community for a better future.

  • Provide a safe & meaningful work environment
  • Deliver innovative solutions through our expertise
  • Committed to the long-term growth and success of our employees and customers
  • Grow our business profitably

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Terms and Conditions

Small Excavators Big Savings: Terms and Conditions

* Offer valid from October 1, 2024 through December 31, 2024 on new 313 through 317 Cat® excavators sold by participating Cat dealers to customers in the USA or Canada. Purchase must occur during offer period. Offer subject to machine availability and credit approval by Cat Financial. Not all customers will qualify. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on select new Cat® machines listed in our Heavy Equipment Promotion page. Purchase must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The offered Cat Customer Value Agreement (CVA) includes 6 maintenance parts kits; S∙O∙SSM; and 36 month VisionLink® ConnectPro. The maintenance parts cover the first 3,000 hours^ (estimated 3 years) of machine utilization. Each kit contains one set of parts for regular planned maintenance under normal operating conditions. In some severe applications where maintenance parts need to be replaced more frequently, additional parts will be at customer’s expense. Offer excludes additional maintenance parts, dealer labor, wear parts, and fluids. Offer also includes a 36 month/5000 hour (whichever occurs first) Powertrain, Hydraulics and Technology Equipment Protection Plan (EPP). In some areas, EPP might be sold separately from the CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply. Contact your Cat dealer for details.

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*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on purchases of new mini excavators, micro excavators, skid steer loaders, and compact track loaders sold by participating Cat dealers to customers in the USA or Canada. Purchases (both machine and CVA) and machine delivery must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The credit $500 USD for CVA purchase can only be applied toward the purchase of a qualifying Cat Customer Value Agreement (CVA). CVA must be at least 2yr/1000hr and must include 1-year Preventative Maintenance Parts Kit, TA1 annual Inspection, signed CVA contract, and Product LinkTM. Amount of CVA credit is the same for all models and cannot exceed the price of the qualifying CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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