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309 CR Mini Hydraulic Excavator

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Product Specs

Engine

Net Power
69 hp
Engine Model
Cat® C2.8 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
69 hp
Gross Power - ISO 14396
55.4 kW
Bore
3.5 in
Stroke
4.3 in
Displacement
171 in³
Note
Meets U.S. EPA Tier 4 Final and EU Stage V emissions standards.
Note (1)
Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)
Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.

Weights

Operating Weight
20870 lb
Minimum Operating Weight with Cab*
18886 lb
Maximum Operating Weight with Cab**
20870 lb
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.

Dimensions - Long Stick

Dig Depth
182.8 in
Vertical Wall
134 in
Maximum Reach - Ground Level
293.7 in
Maximum Reach
300.7 in
Maximum Dig Height
277.1 in
Maximum Dump Clearance
199.7 in
Boom In Reach
126.6 in
Tail Swing with Counterweight
62.4 in
Tail Swing without Counterweight
57.1 in
Maximum Blade Height
16.1 in
Maximum Blade Depth
26 in
Height - Boom Transport - No Tools*
89 in
Height - Boom Working - With Tools**
120.1 in
Cab Height
100 in
Swing Bearing - Height
29.7 in
O/A Undercarriage Length
126 in
Overall Shipping Length - with Counterweight
7052 mm (277.6 in)***
Overall Shipping Length - without Counterweight
7052 mm (277.6 in)***
Track Belt/Shoe Width
17.7 in
O/A Track Width
97.2 in
Ground Clearance
14 in
Stick Length
92.8 in
Note
*Boom Height when stick is pinned in transport position with no attachments.
Note (1)
**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Note (2)
***With blade positioned at the rear of the machine.

Dimensions - Standard Stick

Dig Depth
161.7 in
Vertical Wall
117.8 in
Maximum Reach - Ground Level
273.6 in
Maximum Reach
281.1 in
Maximum Dig Height
265.2 in
Maximum Dump Clearance
187.4 in
Boom In Reach
120.4 in
Tail Swing with Counterweight
62.4 in
Tail Swing without Counterweight
57.1 in
Maximum Blade Height
16.1 in
Maximum Blade Depth
26 in
Height - Boom Transport - No Tools*
95.7 in
Height - Boom Working - With Tools**
104.7 in
Cab Height
100 in
Swing Bearing - Height
29.7 in
O/A Undercarriage Length
126 in
Overall Shipping Length - with Counterweight
266.7 in
Overall Shipping Length - without Counterweight
266.7 in
Track Belt/Shoe Width
17.7 in
O/A Track Width
97.2 in
Ground Clearance
14 in
Stick Length
71.8 in
Note
*Boom Height when stick is pinned in transport position with no attachments.
Note (1)
**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Note (2)
***With blade positioned at the rear of the machine.

Swing System

Machine Swing Speed
10 r/min
Boom Swing - Left
60 degrees
Boom Swing - Right
50 degrees

Blade

Width - Standard
97 in
Width - Wide
104 in
Height
17 in

Certification - Cab

Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Top Guard
ISO 10262:1998 (Level I)

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1

Sound

Operator Sound Pressure (ISO 6396:2008)
72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)
99 dB(A)
Note
European Union Directive "2000/14/EC"

Sustainability

Recyclability
96%

Specifications

Note
The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage.

Weight Increase from Minimum Configuration

Counterweight
552 lb
Long Stick
146 lb
Steel Tracks with Pads
728 lb

Travel System

Travel Speed - High
3.1 mile/h
Travel Speed - Low
1.6 mile/h
Maximum Traction Force - High Speed
6497 lb
Maximum Traction Force - Low Speed
19064 lb
Ground Pressure - Minimum Weight
5.4 psi
Ground Pressure - Maximum Weight
6 psi
Gradeability - Maximum
30 degrees

Service Refill Capacities

Cooling System
2.6 gal (US)
Engine Oil
2.3 gal (US)
Fuel Tank
39 gal (US)
Hydraulic Tank
14 gal (US)
Hydraulic System
29 gal (US)

Hydraulic System

Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm
62 gpm
Operating Pressure - Equipment
4134 psi
Operating Pressure - Travel
4134 psi
Operating Pressure - Swing
3626 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump
35 gpm
Maximum Auxiliary Circuit - Primary - Pressure at Pump
4134 psi
Maximum Auxiliary Circuit - High Flow - Flow at Pump
37 gpm
Maximum Auxiliary Circuit - High Flow - Pressure at Pump
4134 lbf/in
Digging Force - Stick - Standard
9500 lb
Digging Force - Stick - Long
8023 lb
Digging Force - Bucket
13943 lb
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

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

Attachments

  • 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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