309 CR VAB Mini Hydraulic Excavator
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
- Engine Model
- Cat C3.3B
- Net Power
- 70.3HP
- Bore
- 3.7in
- Displacement
- 203in³
- Gross Power - ISO 14396
- 74.3HP
- Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269
- 71.5HP
- Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269
- 70.3HP
- Stroke
- 4.7in
Weights
- Operating Weight
- 20731lb
- Maximum Operating Weight with Cab*
- 21054lb
- Maximum Operating Weight with Cab**
- 20731lb
- Minimum Operating Weight with Cab*
- 19304lb
- Note
- *Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket.
- 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.
Blade
- Height
- 17in
- Width - Standard
- 97.2in
- Width - Wide
- 103.9in
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.
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 - Long Stick
- Boom In Reach
- 126.6in
- Boom Swing - Left
- 24in
- Boom Swing - Right
- 37in
- Cab Height
- 99in
- Dig Depth
- 183.1in
- Ground Clearance
- 13.5in
- Maximum Blade Depth
- 26.9in
- Maximum Blade Height
- 13.5in
- Maximum Dig Height
- 276.8in
- Maximum Dump Clearance
- 199.4in
- Maximum Reach
- 300.7in
- Maximum Reach - Ground Level
- 293.8in
- O/A Shipping Length
- 262.3in
- O/A Track Width
- 97.2in
- O/A Undercarriage Length
- 126in
- Stick Length
- 92.8in
- Swing Bearing - Height
- 28.7in
- Tail Swing with Counterweight
- 64.8in
- Tail Swing without Counterweight
- 57.1in
- Track Belt/Shoe Width
- 17.7in
- Transport Height
- 99in
- Vertical Wall
- 134.3in
Dimensions - Standard Stick
- Boom In Reach
- 120.4in
- Boom Swing - Left
- 24in
- Boom Swing - Right
- 37in
- Cab Height
- 99in
- Dig Depth
- 162in
- Ground Clearance
- 13.5in
- Maximum Blade Depth
- 26.9in
- Maximum Blade Height
- 13.5in
- Maximum Dig Height
- 264.9in
- Maximum Dump Clearance
- 187.1in
- Maximum Reach
- 281.1in
- Maximum Reach - Ground Level
- 273.6in
- O/A Shipping Length
- 259in
- O/A Track Width
- 97.2in
- O/A Undercarriage Length
- 126in
- Stick Length
- 71.8in
- Swing Bearing - Height
- 28.7in
- Tail Swing with Counterweight
- 64.8in
- Tail Swing without Counterweight
- 57.1in
- Track Belt/Shoe Width
- 17.7in
- Transport Height
- 97.9in
- Vertical Wall
- 118in
Dimensions - VAB In
- Boom Swing Left
- 24in
- Boom Swing Right
- 37in
- Boom in Reach
- 112.3in
- Cab Height
- 99in
- Dig Depth
- 154.8in
- Ground Clearance
- 13.5in
- Maximum Blade Depth
- 26.9in
- Maximum Blade Height
- 13.5in
- Maximum Dig Height
- 216.3in
- Maximum Dump Clearance
- 143.4in
- Maximum Reach
- 260.3in
- Maximum Reach at Ground Level
- 252.1in
- Overall Shipping Length
- 227.2in
- Overall Track Width
- 97.2in
- Overall Undercarriage Length
- 126in
- Stick Length
- 71.8in
- Swing Bearing Height
- 31.4in
- Tail Swing with Counterweight
- 64.8in
- Tail Swing without Counterweight
- 57.1in
- Track Belt/Shoe Width
- 17.7in
- Transport Height
- 99.6in
- Vertical Wall
- 133.6in
Dimensions - VAB Out
- Boom Swing Left
- 24in
- Boom Swing Right
- 37in
- Boom in Reach
- 117.9in
- Cab Height
- 99in
- Dig Depth
- 136.5in
- Ground Clearance
- 13.5in
- Maximum Blade Depth
- 26.9in
- Maximum Blade Height
- 13.5in
- Maximum Dig Height
- 321.7in
- Maximum Dump Clearance
- 251.6in
- Maximum Reach
- 311in
- Maximum Reach at Ground Level
- 304.4in
- Overall Shipping Length
- 281.8in
- Overall Track Width
- 97.2in
- Overall Undercarriage Length
- 126in
- Stick Length
- 71.8in
- Swing Bearing Height
- 31.4in
- Tail Swing with Counterweight
- 64.8in
- Tail Swing without Counterweight
- 57.1in
- Track Belt/Shoe Width
- 17.7in
- Transport Height
- 96.5in
- Vertical Wall
- 138.7in
Hydraulic System
- Auxiliary Circuit - Primary (High Flow) - Flow
- 37gal/min
- Auxiliary Circuit - Primary (High Flow) - Pressure
- 4134psi
- Auxiliary Circuit - Secondary - Flow
- 9gal/min
- Auxiliary Circuit - Secondary - Pressure
- 4134psi
- Digging Force - Bucket
- 13943lb
- Digging Force - Stick - Long
- 8023lb
- Digging Force - Stick - Standard
- 9500lb
- Operating Pressure - Equipment
- 4134psi
- Operating Pressure - Swing
- 3626psi
- Operating Pressure - Travel
- 4134psi
- Pump Flow at 2,400 rpm
- 62gal/min
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
Service Refill Capacities
- Cooling System
- 2.6gal (US)
- Engine Oil
- 3gal (US)
- Fuel Tank
- 39gal (US)
- Hydraulic System
- 28gal (US)
- Hydraulic Tank
- 14gal (US)
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)
Specifications
- Note
- The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR with a Standard Undercarriage, please refer to the 308 CR information.
Swing System
- Machine Swing Speed
- 10.6r/min
Travel System
- Gradeability - Maximum
- 30 degrees
- Ground Pressure - Maximum Weight
- 6psi
- Ground Pressure - Minimum Weight
- 6psi
- Maximum Traction Force - High Speed
- 6497lb
- Maximum Traction Force - Low Speed
- 19064lb
- Travel Speed - High
- 3.1mile/h
- Travel Speed - Low
- 1.6mile/h
Weight Increase from Minimum Configuration
- Counterweight
- 552lb
- Long Stick
- 146lb
- Steel Tracks with Pads
- 728lb
Standard Equipment
-
- Engine
-
- Extended Life Coolant, –37° C (–35° F)
- Ecology Drain
- Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
- Automatic Two Speed Travel
- Automatic Engine Shutdown
- Radial Seal – Double Element Air Filter
- Automatic Swing Brake
- Automatic Engine Idle
- Fuel Water Separator with Indicator
-
- Hydraulics
-
- Case Drain Line
- Hydraulic Temperature Monitoring
- Hydro Advanced Hydraulic Oil
- Certified Accumulator
- Power On Demand
- Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
- Smart Tech Electronic Pump
-
- Operator Environment
-
- Rear Window Emergency Exit
- Assisted Front Window Overhead Storage
- 12V Power Socket
- Travel Pedals and Hand Levers
- Travel Cruise Control
- LED Interior Light
- Coat Hook
- Cat Key with Passcode Option
- Fabric, High Back, Suspension Seat
- Stick Steer Mode
- ROPS – ISO 12117-2:2008
- Removable, Washable Floor Mat
- Literature Holder
- Color LCD Monitor
– Fuel Level and Coolant Temperature Gauges
– Maintenance and Machine Monitoring
– Performance and Machine Adjustments
– Numeric Security Code
– Multiple Languages
– Camera Ready
– Hour Meter with Wake Up Switch
– Jog Dial Control Interface - Mounting Bosses for Top and Front Guards
- Sealed and Pressurized Cab
- Radio – Bluetooth®, USB, Auxiliary, Microphone
- Skylight
- Integrated Lower Front Window
- HVAC with Automatic Temperature Control
- Retractable Seat Belt (75 mm/3 in)
- TOPS – ISO 12117:1997
- Top Guard – ISO 10262:1998 (Level II)
- Cup Holder
- Hydraulic Lockout Controls
- Control Pattern Changer
- Operator Sound Pressure 72 dB(A) ISO 6396:2008
- Molded Footrests
- Adjustable Wrist Rests
-
- Undercarriage
-
- Tie Down Eyes on Track Frame
- Dozer Blade
- Dozer Float
- Bolt-on, Reversible Wear Edge
- Steel Tracks (450 mm/17.7 in wide)
- Hydraulic Track Adjusters
- Greased and Lubricated Track
-
- Boom, Stick And Linkages
-
- Variable Angle Boom
- Standard Stick (1823 mm/71.8 in)
- Front Shovel Capable (Pin-On/Manual Coupler/Hydraulic Coupler – not available in all regions)
- Thumb Ready (not available in all regions)
- Certified Lifting Eye (not available in all regions)
-
- Electrical
-
- 12 Volt Electrical System
- 90 Ampere Alternator
- 850 CCA Maintenance Free Battery
- Circuit Breaker
- Ignition Key Stop Switch
- Signaling/Warning Horn
- Product Link™ Elite Lite (regulations apply)
Optional Equipment
-
- Operator Environment
-
- Air Suspension Heated Seat
- Rain Visor
-
- Electrical
-
- Rearview Camera
- Rotating Beacon
-
- Other
-
- Boom and Stick Hose Burst Check Valves
- Bucket Linkage with Lift Eye
- Track Guides
- Attachments including Buckets, Augers and Hammers
- Wide Steel Tracks (600 mm/23.6 in)
- 2nd Auxiliary Hydraulic Lines
- Wide Dozer Blade
- Additional Counterweight
- Water Jacket Heater
- Refueling Pump
- Cab Guarding
- Travel Alarm (standard in some regions)
-
Specifications
Engine
- Engine Model
- Cat C3.3B
- Net Power
- 70.3HP
- Bore
- 3.7in
- Displacement
- 203in³
- Gross Power - ISO 14396
- 74.3HP
- Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269
- 71.5HP
- Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269
- 70.3HP
- Stroke
- 4.7in
Weights
- Operating Weight
- 20731lb
- Maximum Operating Weight with Cab*
- 21054lb
- Maximum Operating Weight with Cab**
- 20731lb
- Minimum Operating Weight with Cab*
- 19304lb
- Note
- *Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket.
- 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.
Blade
- Height
- 17in
- Width - Standard
- 97.2in
- Width - Wide
- 103.9in
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.
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 - Long Stick
- Boom In Reach
- 126.6in
- Boom Swing - Left
- 24in
- Boom Swing - Right
- 37in
- Cab Height
- 99in
- Dig Depth
- 183.1in
- Ground Clearance
- 13.5in
- Maximum Blade Depth
- 26.9in
- Maximum Blade Height
- 13.5in
- Maximum Dig Height
- 276.8in
- Maximum Dump Clearance
- 199.4in
- Maximum Reach
- 300.7in
- Maximum Reach - Ground Level
- 293.8in
- O/A Shipping Length
- 262.3in
- O/A Track Width
- 97.2in
- O/A Undercarriage Length
- 126in
- Stick Length
- 92.8in
- Swing Bearing - Height
- 28.7in
- Tail Swing with Counterweight
- 64.8in
- Tail Swing without Counterweight
- 57.1in
- Track Belt/Shoe Width
- 17.7in
- Transport Height
- 99in
- Vertical Wall
- 134.3in
Dimensions - Standard Stick
- Boom In Reach
- 120.4in
- Boom Swing - Left
- 24in
- Boom Swing - Right
- 37in
- Cab Height
- 99in
- Dig Depth
- 162in
- Ground Clearance
- 13.5in
- Maximum Blade Depth
- 26.9in
- Maximum Blade Height
- 13.5in
- Maximum Dig Height
- 264.9in
- Maximum Dump Clearance
- 187.1in
- Maximum Reach
- 281.1in
- Maximum Reach - Ground Level
- 273.6in
- O/A Shipping Length
- 259in
- O/A Track Width
- 97.2in
- O/A Undercarriage Length
- 126in
- Stick Length
- 71.8in
- Swing Bearing - Height
- 28.7in
- Tail Swing with Counterweight
- 64.8in
- Tail Swing without Counterweight
- 57.1in
- Track Belt/Shoe Width
- 17.7in
- Transport Height
- 97.9in
- Vertical Wall
- 118in
Dimensions - VAB In
- Boom Swing Left
- 24in
- Boom Swing Right
- 37in
- Boom in Reach
- 112.3in
- Cab Height
- 99in
- Dig Depth
- 154.8in
- Ground Clearance
- 13.5in
- Maximum Blade Depth
- 26.9in
- Maximum Blade Height
- 13.5in
- Maximum Dig Height
- 216.3in
- Maximum Dump Clearance
- 143.4in
- Maximum Reach
- 260.3in
- Maximum Reach at Ground Level
- 252.1in
- Overall Shipping Length
- 227.2in
- Overall Track Width
- 97.2in
- Overall Undercarriage Length
- 126in
- Stick Length
- 71.8in
- Swing Bearing Height
- 31.4in
- Tail Swing with Counterweight
- 64.8in
- Tail Swing without Counterweight
- 57.1in
- Track Belt/Shoe Width
- 17.7in
- Transport Height
- 99.6in
- Vertical Wall
- 133.6in
Dimensions - VAB Out
- Boom Swing Left
- 24in
- Boom Swing Right
- 37in
- Boom in Reach
- 117.9in
- Cab Height
- 99in
- Dig Depth
- 136.5in
- Ground Clearance
- 13.5in
- Maximum Blade Depth
- 26.9in
- Maximum Blade Height
- 13.5in
- Maximum Dig Height
- 321.7in
- Maximum Dump Clearance
- 251.6in
- Maximum Reach
- 311in
- Maximum Reach at Ground Level
- 304.4in
- Overall Shipping Length
- 281.8in
- Overall Track Width
- 97.2in
- Overall Undercarriage Length
- 126in
- Stick Length
- 71.8in
- Swing Bearing Height
- 31.4in
- Tail Swing with Counterweight
- 64.8in
- Tail Swing without Counterweight
- 57.1in
- Track Belt/Shoe Width
- 17.7in
- Transport Height
- 96.5in
- Vertical Wall
- 138.7in
Hydraulic System
- Auxiliary Circuit - Primary (High Flow) - Flow
- 37gal/min
- Auxiliary Circuit - Primary (High Flow) - Pressure
- 4134psi
- Auxiliary Circuit - Secondary - Flow
- 9gal/min
- Auxiliary Circuit - Secondary - Pressure
- 4134psi
- Digging Force - Bucket
- 13943lb
- Digging Force - Stick - Long
- 8023lb
- Digging Force - Stick - Standard
- 9500lb
- Operating Pressure - Equipment
- 4134psi
- Operating Pressure - Swing
- 3626psi
- Operating Pressure - Travel
- 4134psi
- Pump Flow at 2,400 rpm
- 62gal/min
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
Service Refill Capacities
- Cooling System
- 2.6gal (US)
- Engine Oil
- 3gal (US)
- Fuel Tank
- 39gal (US)
- Hydraulic System
- 28gal (US)
- Hydraulic Tank
- 14gal (US)
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)
Specifications
- Note
- The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR with a Standard Undercarriage, please refer to the 308 CR information.
Swing System
- Machine Swing Speed
- 10.6r/min
Travel System
- Gradeability - Maximum
- 30 degrees
- Ground Pressure - Maximum Weight
- 6psi
- Ground Pressure - Minimum Weight
- 6psi
- Maximum Traction Force - High Speed
- 6497lb
- Maximum Traction Force - Low Speed
- 19064lb
- Travel Speed - High
- 3.1mile/h
- Travel Speed - Low
- 1.6mile/h
Weight Increase from Minimum Configuration
- Counterweight
- 552lb
- Long Stick
- 146lb
- Steel Tracks with Pads
- 728lb
-
Equipment
Standard Equipment
-
- Engine
-
- Extended Life Coolant, –37° C (–35° F)
- Ecology Drain
- Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
- Automatic Two Speed Travel
- Automatic Engine Shutdown
- Radial Seal – Double Element Air Filter
- Automatic Swing Brake
- Automatic Engine Idle
- Fuel Water Separator with Indicator
-
- Hydraulics
-
- Case Drain Line
- Hydraulic Temperature Monitoring
- Hydro Advanced Hydraulic Oil
- Certified Accumulator
- Power On Demand
- Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
- Smart Tech Electronic Pump
-
- Operator Environment
-
- Rear Window Emergency Exit
- Assisted Front Window Overhead Storage
- 12V Power Socket
- Travel Pedals and Hand Levers
- Travel Cruise Control
- LED Interior Light
- Coat Hook
- Cat Key with Passcode Option
- Fabric, High Back, Suspension Seat
- Stick Steer Mode
- ROPS – ISO 12117-2:2008
- Removable, Washable Floor Mat
- Literature Holder
- Color LCD Monitor
– Fuel Level and Coolant Temperature Gauges
– Maintenance and Machine Monitoring
– Performance and Machine Adjustments
– Numeric Security Code
– Multiple Languages
– Camera Ready
– Hour Meter with Wake Up Switch
– Jog Dial Control Interface - Mounting Bosses for Top and Front Guards
- Sealed and Pressurized Cab
- Radio – Bluetooth®, USB, Auxiliary, Microphone
- Skylight
- Integrated Lower Front Window
- HVAC with Automatic Temperature Control
- Retractable Seat Belt (75 mm/3 in)
- TOPS – ISO 12117:1997
- Top Guard – ISO 10262:1998 (Level II)
- Cup Holder
- Hydraulic Lockout Controls
- Control Pattern Changer
- Operator Sound Pressure 72 dB(A) ISO 6396:2008
- Molded Footrests
- Adjustable Wrist Rests
-
- Undercarriage
-
- Tie Down Eyes on Track Frame
- Dozer Blade
- Dozer Float
- Bolt-on, Reversible Wear Edge
- Steel Tracks (450 mm/17.7 in wide)
- Hydraulic Track Adjusters
- Greased and Lubricated Track
-
- Boom, Stick And Linkages
-
- Variable Angle Boom
- Standard Stick (1823 mm/71.8 in)
- Front Shovel Capable (Pin-On/Manual Coupler/Hydraulic Coupler – not available in all regions)
- Thumb Ready (not available in all regions)
- Certified Lifting Eye (not available in all regions)
-
- Electrical
-
- 12 Volt Electrical System
- 90 Ampere Alternator
- 850 CCA Maintenance Free Battery
- Circuit Breaker
- Ignition Key Stop Switch
- Signaling/Warning Horn
- Product Link™ Elite Lite (regulations apply)
Optional Equipment
-
- Operator Environment
-
- Air Suspension Heated Seat
- Rain Visor
-
- Electrical
-
- Rearview Camera
- Rotating Beacon
-
- Other
-
- Boom and Stick Hose Burst Check Valves
- Bucket Linkage with Lift Eye
- Track Guides
- Attachments including Buckets, Augers and Hammers
- Wide Steel Tracks (600 mm/23.6 in)
- 2nd Auxiliary Hydraulic Lines
- Wide Dozer Blade
- Additional Counterweight
- Water Jacket Heater
- Refueling Pump
- Cab Guarding
- Travel Alarm (standard in some regions)
-
-
Attachments
