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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.

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Net Power
69.5HP
Engine Model
Cat C3.3B
Rated Net Power – 2,200 rpm – U.S. EPA Tier 4 Final/EU Stage V – ISO 9249/EEC 80/1269
69.5HP
Displacement
203in³
Bore
3.7in
Stroke
4.7in
Gross Power – SAE J1995
74.3HP
Operating Weight
21091lb
Minimum Operating Weight with Cab*
19735lb
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.
Dig Depth
182.8in
Boom In Reach
126.6in
O/A Undercarriage Length
126in
O/A Track Width
97.2in
Stick Length
92.8in
Maximum Blade Height
16.1in
Maximum Reach
300.7in
Cab Height
100in
Ground Clearance
14in
Boom Swing – Left
23.8in
Note
*Boom Height when stick is pinned in transport position with no attachments.
Note (2)
***With blade positioned at the rear of the machine.
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)***
Overall Shipping Length – without Counterweight
7052 mm (277.6 in)***
Maximum Dump Clearance
199.7in
Vertical Wall
134in
Maximum Blade Depth
26in
Maximum Dig Height
277.1in
Tail Swing with Counterweight
62.4in
Swing Bearing – Height
29.7in
Track Belt/Shoe Width
17.7in
Boom Swing – Right
36.8in
Tail Swing without Counterweight
57.1in
Maximum Reach – Ground Level
293.7in
Height – Boom Transport – No Tools*
89in
Height – Boom Working – With Tools**
120.1in
Height
17in
Width – Wide
104in
Width – Standard
97in
Maximum Traction Force – Low Speed
19064lb
Ground Pressure – Maximum Weight
5.4psi
Gradeability – Maximum
30 degrees
Ground Pressure – Minimum Weight
5psi
Travel Speed – High
3.1mile/h
Travel Speed – Low
1.6mile/h
Maximum Traction Force – High Speed
6497lb
Engine Oil
3gal (US)
Fuel Tank
39gal (US)
Hydraulic System
29gal (US)
Cooling System
2.6gal (US)
Hydraulic Tank
14gal (US)
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure – Swing
3626psi
Digging Force – Stick – Standard
9500lb
Digging Force – Stick – Long
8023lb
Operating Pressure – Travel
4134psi
Pump Flow at 2,400 rpm
62gal/min
Digging Force – Bucket
13943lb
Operating Pressure – Equipment
4134psi
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit – Secondary – Flow at Pump
9gal/min
Maximum Auxiliary Circuit – Primary – Pressure at Pump
4134psi
Maximum Auxiliary Circuit – Primary – Flow at Pump
35gal/min
Maximum Auxiliary Circuit – Secondary – Pressure at Pump
4134psi
Machine Swing Speed
10.6r/min
Boom Swing – Right
50 degrees
Boom Swing – Left
60 degrees
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Top Guard
ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Note
European Union Directive “2000/14/EC”
Operator Sound Pressure (ISO 6396:2008)
72dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)
99dB(A)
Boom Swing – Right
36.8in
Cab Height
100in
Maximum Reach
281.1in
Boom In Reach
120.4in
Note
*Boom Height when stick is pinned in transport position with no attachments.
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.
Maximum Dump Clearance
187.4in
Tail Swing without Counterweight
57.1in
Maximum Reach – Ground Level
273.6in
O/A Undercarriage Length
126in
Swing Bearing – Height
29.7in
Maximum Dig Height
265.2in
Track Belt/Shoe Width
17.7in
O/A Track Width
97.2in
Ground Clearance
14in
Tail Swing with Counterweight
62.4in
Vertical Wall
117.8in
Dig Depth
161.7in
Stick Length
71.8in
Boom Swing – Left
23.8in
Maximum Blade Height
16.1in
Maximum Blade Depth
26in
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
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.
Steel Tracks with Pads
728lb
Long Stick
146lb
Counterweight
552lb
Recyclability
96%
Note
The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage.
  • Engine
    • Cat C3.3B 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)
  • 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 – 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
    • 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
    • Battery Disconnect
    • Ignition Key Stop Switch
    • Travel Alarm
  • 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
    • 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)

858 mm (34 in) 6 Teeth/2 Tine Progressive Link Thumb for 8 Ton Mini Excavators

671 mm (26 in) 4 Teeth/2 Tine Progressive Link Thumb for 8 Ton Mini Excavators

S308 Mobile Scrap & Demolition Shear

861 mm (34 in) Ripper

HM210 Mulcher

HM208 Mulcher

H95s Hydraulic Hammer

H80s Hydraulic Hammer

B9s Silenced Hydraulic Hammer

B9 Non-Silenced Hydraulic Hammer

B8s Silenced Hydraulic Hammer

B8 Non-Silenced Hydraulic Hammer

B6s Silenced Hydraulic Hammer

B6 Non-Silenced Hydraulic Hammer

G108 Stiff link Contractors’ Grapple

1312 mm (52 in) Pallet Fork Carriage

HMF210 Flail Mower

S-45 Pin Grabber S Type Coupler For 7-9 Ton Mini Excavators

Hydraulic Dual Lock™ Pin Grabber Coupler For 8 Ton Mini Excavators

914 mm (36 in) 7-8 Ton Mini Excavator Pin On Compaction Wheel

610 mm (24 in) 7-8 Ton Mini Excavator Pin On Compaction Wheel

610 mm (24 in) 1 Ton Mini Excavator Pin Lock Compaction Wheel

457 mm (18 in) 7-8 Ton Mini Excavator Pin On Compaction Wheel

457 mm (18 in) 1 Ton Mini Excavator Pin Lock Compaction Wheel

305 mm (12 in) 7-8 Ton Mini Excavator Pin On Compaction Wheel

305 mm (12 in) 1 Ton Mini Excavator Pin Lock Compaction Wheel

PC45 Cold Planer

PC35 Cold Planer

400 mm (16 in) Nordic Trenching Bucket

400 mm (16 in) Nordic Trenching Bucket

1300 mm (51 in) Nordic Grading Bucket

1300 mm (51 in) Nordic Grading Bucket

1300 mm (51 in) Nordic Grading Bucket

762 mm (30 in) Heavy Duty Rock Bucket

610 mm (24 in) Heavy Duty Rock Bucket

914 mm (36 in) Heavy Duty Bucket

762 mm (30 in) Heavy Duty Bucket

610 mm (24 in) Heavy Duty Bucket

457 mm (18 in) Heavy Duty Bucket

330 mm (13 in) Heavy Duty Bucket

1500 mm (59 in) Grading Bucket

1200 mm (47 in) Grading Bucket

1524 mm (60 in) Ditch Cleaning Bucket

1372 mm (54 in) Ditch Cleaning Bucket

1219 mm (48 in) Ditch Cleaning Bucket

914 mm (36 in) Pin Lock High Capacity Bucket

762 mm (30 in) Pin Lock High Capacity Bucket

610 mm (24 in) Pin Lock High Capacity Bucket

457 mm (18 in) Pin Lock High Capacity Bucket

406 mm (16 in) Pin Lock High Capacity Bucket

914 mm (36 in) Pin Lock Heavy Duty Bucket

762 mm (30 in) Pin Lock Heavy Duty Bucket

610 mm (24 in) Pin Lock Heavy Duty Bucket

457 mm (18 in) Pin Lock Heavy Duty Bucket

406 mm (16 in) Pin Lock Heavy Duty Bucket

300 mm (12 in) Pin Lock Heavy Duty Bucket

A68 Auger

7 – 9 Ton Excavator Class Skid Steer Coupler Adapter

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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