309 CR Mini Hydraulic Excavator
The Cat® 309 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.
Engine
Net Power
Engine Model
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
Gross Power - ISO 14396
Bore
Stroke
Displacement
Note
Note (1)
Note (2)
Weights
Operating Weight
Minimum Operating Weight with Cab*
Maximum Operating Weight with Cab**
Note (1)
Note (2)
Dimensions - Long Stick
Dig Depth
Vertical Wall
Maximum Reach - Ground Level
Maximum Reach
Maximum Dig Height
Maximum Dump Clearance
Boom In Reach
Tail Swing with Counterweight
Tail Swing without Counterweight
Maximum Blade Height
Maximum Blade Depth
Height - Boom Transport - No Tools*
Height - Boom Working - With Tools**
Cab Height
Swing Bearing - Height
O/A Undercarriage Length
Overall Shipping Length - with Counterweight
Overall Shipping Length - without Counterweight
Track Belt/Shoe Width
O/A Track Width
Ground Clearance
Stick Length
Note
Note (1)
Note (2)
Dimensions - Standard Stick
Dig Depth
Vertical Wall
Maximum Reach - Ground Level
Maximum Reach
Maximum Dig Height
Maximum Dump Clearance
Boom In Reach
Tail Swing with Counterweight
Tail Swing without Counterweight
Maximum Blade Height
Maximum Blade Depth
Height - Boom Transport - No Tools*
Height - Boom Working - With Tools**
Cab Height
Swing Bearing - Height
O/A Undercarriage Length
Overall Shipping Length - with Counterweight
Overall Shipping Length - without Counterweight
Track Belt/Shoe Width
O/A Track Width
Ground Clearance
Stick Length
Note
Note (1)
Note (2)
Weight Increase from Minimum Configuration
Counterweight
Long Stick
Steel Tracks with Pads
Travel System
Travel Speed - High
Travel Speed - Low
Maximum Traction Force - High Speed
Maximum Traction Force - Low Speed
Ground Pressure - Minimum Weight
Ground Pressure - Maximum Weight
Gradeability - Maximum
Service Refill Capacities
Cooling System
Engine Oil
Fuel Tank
Hydraulic Tank
Hydraulic System
Hydraulic System
Type
Pump Flow at 2,400 rpm
Operating Pressure - Equipment
Operating Pressure - Travel
Operating Pressure - Swing
Maximum Auxiliary Circuit - Primary - Flow at Pump
Maximum Auxiliary Circuit - Primary - Pressure at Pump
Maximum Auxiliary Circuit - High Flow - Flow at Pump
Maximum Auxiliary Circuit - High Flow - Pressure at Pump
Digging Force - Stick - Standard
Digging Force - Stick - Long
Digging Force - Bucket
Note
Swing System
Machine Swing Speed
Boom Swing - Left
Boom Swing - Right
Blade
Width - Standard
Width - Wide
Height
Certification - Cab
Roll Over Protective Structure (ROPS)
Top Guard
Air Conditioning System
Air Conditioning
Sound
Operator Sound Pressure (ISO 6396:2008)
Average Exterior Sound Pressure (ISO 6395:2008)
Note
Sustainability
Recyclability
Specifications
Note
Standard Equipment:
-
- Engine
-
- Cat C2.8 Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Fit-For-Life Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC) Aftertreatment System
- 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)
-
- 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
- Cab Mirrors (vary by region)
- 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
-
- Technology (availability Varies By Region)
-
- Product Link™ Elite (regulations apply)
-
- 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 – 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
- Lock Out/Tag Out Battery Disconnect
- Ignition Key Stop Switch
- Travel Alarm
-
- Guarding
-
- ROPS ISO 12117-2:2008
- Top Guard ISO 10262:1998 (Level I)
-
- Other
-
- Locks on External Enclosure Doors
- Lockable Fuel Cap
- Beacon Socket
- Rear Reflectors
Optional Equipment:
-
- Hydraulics
-
- Third Auxiliary
-
- Operator Environment
-
- Push to Start with Bluetooth® Key
- Air Suspension Heated Seat
- Seat Belt Reminder System
- 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
-
- Technology (availability Varies By Region)
-
- Ease of Use Indicate
- Ease of Use E-Fence
- Ease of Use Laser Catcher
- Cat Grade Advanced 2D
- Cat Grade 3D
-
- 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
-
- Rear and Side Camera
- Rotating Beacon
-
- Guarding
-
- Top Guard ISO 10262:1998 (Level II)
- Front Guard (Mesh) ISO 10262:1998 (Level I)
- Front Guard (Heavy Duty) ISO 10262:1998 (Level II)
- Track Guards
-
- Other
-
- Counterweight (250 kg/551 lb)
- Counterweight (500 kg/1103 lb)
- Water Jacket Heater
- Refueling Pump
- Variable Angle Boom (refer to 309 CR VAB brochure for VAB specs and additional information)
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