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Excavators

309 CR Mini Hydraulic Excavator

  • Note
    The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage.
  • Net Power
    69.5 HP
  • Engine Model
    Cat C3.3B
  • Displacement
    203 in³
Specifications
Note
The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage.
Engine
Net Power
69.5 HP
Engine Model
Cat C3.3B
Displacement
203 in³
Bore
3.7 in
Stroke
4.7 in
Gross Power
74.3 HP
Rated Net Power
69.5 HP
Weights
Operating Weight
21091 lb
Maximum Operating Weight with Cab
21091 lb
Note
*Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Note
**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Minimum Operating Weight with Cab
19735 lb
Weight Increase from Minimum Configuration
Steel Tracks with Pads
728 lb
Long Stick
146 lb
Counterweight
552 lb
Travel System
Gradeability
30 degrees
Ground Pressure
5 psi
Ground Pressure
5.4 psi
Travel Speed
3.1 mile/h
Travel Speed
1.6 mile/h
Maximum Traction Force
6497 lb
Maximum Traction Force
19064 lb
Service Refill Capacities
Engine Oil
3 gal (US)
Fuel Tank
39 gal (US)
Hydraulic System
29 gal (US)
Cooling System
2.6 gal (US)
Hydraulic Tank
14 gal (US)
Hydraulic System
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure
3626 psi
Digging Force
9500 lb
Digging Force
8023 lb
Operating Pressure
4134 psi
Pump Flow at 2
62 gal/min
Digging Force
13943 lb
Operating Pressure
4134 psi
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit
9 gal/min
Maximum Auxiliary Circuit
4134 psi
Maximum Auxiliary Circuit
37 gal/min
Maximum Auxiliary Circuit
4134 psi
Swing System
Machine Swing Speed
10.6 r/min
Boom Swing
50 degrees
Boom Swing
60 degrees
Blade
Height
17 in
Width
104 in
Width
97 in
Certification - Cab
Roll Over Protective Structure
ISO 12117-2:2008
Top Guard
ISO 10262:1998 (Level I)
Tip Over Protective Structure
ISO 12117:1997
Sound
Average Exterior Sound Pressure
99 dB(A)
Note
European Union Directive "2000/14/EC"
Operator Sound Pressure
72 dB(A)
Dimensions - Standard Stick
Boom Swing
36.8 in
Maximum Dump Clearance
187.4 in
Tail Swing without Counterweight
57.1 in
Maximum Reach
273.6 in
O
126 in
Cab Height
100 in
Swing Bearing
29.7 in
Maximum Dig Height
265.2 in
Track Belt
17.7 in
O
97.2 in
Ground Clearance
14 in
Maximum Reach
281.1 in
Tail Swing with Counterweight
62.4 in
Boom In Reach
120.4 in
Vertical Wall
117.8 in
Dig Depth
161.7 in
Stick Length
71.8 in
Boom Swing
23.8 in
Maximum Blade Height
16.1 in
Maximum Blade Depth
26 in
Note
*Boom Height when stick is pinned in transport position with no attachments.
Overall Shipping Length
266.7 in
Overall Shipping Length
266.7 in
Note
***With blade positioned at the rear of the machine.
Note
**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Height
95.7 in
Height
104.7 in
Dimensions - Long Stick
Dig Depth
182.8 in
Maximum Dump Clearance
199.7 in
Boom In Reach
126.6 in
Vertical Wall
134 in
Maximum Blade Depth
26 in
O
126 in
O
97.2 in
Stick Length
92.8 in
Maximum Blade Height
16.1 in
Maximum Dig Height
277.1 in
Tail Swing with Counterweight
62.4 in
Maximum Reach
300.7 in
Cab Height
100 in
Ground Clearance
14 in
Swing Bearing
29.7 in
Track Belt
17.7 in
Boom Swing
23.8 in
Boom Swing
36.8 in
Tail Swing without Counterweight
57.1 in
Maximum Reach
293.7 in
Note
*Boom Height when stick is pinned in transport position with no attachments.
Note
***With blade positioned at the rear of the machine.
Note
**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Height
89 in
Overall Shipping Length
7052 mm (277.6 in)***
Height
120.1 in
Overall Shipping Length
7052 mm (277.6 in)***
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.
  • 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
    • 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)