309 CR Mini Hydraulic Excavator

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.

  • Net Power 69.5 HP

  • Operating Weight 21091 lb

  • Dig Depth 182.8 in

  • Engine Model Cat C3.3B

Request a quote

Product Specifications

Specifications

Engine

  • Bore 3.7in

  • Displacement 203in³

  • Engine Model Cat C3.3B

  • Gross Power - SAE J1995 74.3HP

  • Net Power 69.5HP

  • Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 69.5HP

  • Stroke 4.7in

Weights

  • Maximum Operating Weight with Cab** 21091lb

  • Minimum Operating Weight with Cab* 19735lb

  • 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.

  • Operating Weight 21091lb

Dimensions - Long Stick

  • Boom In Reach 126.6in

  • Boom Swing - Left 23.8in

  • Boom Swing - Right 36.8in

  • Cab Height 100in

  • Dig Depth 182.8in

  • Ground Clearance 14in

  • Height - Boom Transport - No Tools* 89in

  • Height - Boom Working - With Tools** 120.1in

  • Maximum Blade Depth 26in

  • Maximum Blade Height 16.1in

  • Maximum Dig Height 277.1in

  • Maximum Dump Clearance 199.7in

  • Maximum Reach 300.7in

  • Maximum Reach - Ground Level 293.7in

  • 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.

  • O/A Track Width 97.2in

  • O/A Undercarriage Length 126in

  • Overall Shipping Length - with Counterweight 7052 mm (277.6 in)***

  • Overall Shipping Length - without Counterweight 7052 mm (277.6 in)***

  • Stick Length 92.8in

  • Swing Bearing - Height 29.7in

  • Tail Swing with Counterweight 62.4in

  • Tail Swing without Counterweight 57.1in

  • Track Belt/Shoe Width 17.7in

  • Vertical Wall 134in

Blade

  • Height 17in

  • Width - Standard 97in

  • Width - Wide 104in

Weight Increase from Minimum Configuration

  • Counterweight 552lb

  • Long Stick 146lb

  • Steel Tracks with Pads 728lb

Travel System

  • Gradeability - Maximum 30 degrees

  • Ground Pressure - Maximum Weight 5.4psi

  • Ground Pressure - Minimum Weight 5psi

  • Maximum Traction Force - High Speed 6497lb

  • Maximum Traction Force - Low Speed 19064lb

  • Travel Speed - High 3.1mile/h

  • Travel Speed - Low 1.6mile/h

Hydraulic System

  • Digging Force - Bucket 13943lb

  • Digging Force - Stick - Long 8023lb

  • Digging Force - Stick - Standard 9500lb

  • Maximum Auxiliary Circuit - High Flow - Flow at Pump 37gal/min

  • Maximum Auxiliary Circuit - High Flow - Pressure at Pump 4134lbf/in

  • Maximum Auxiliary Circuit - Primary - Flow at Pump 35gal/min

  • Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134psi

  • Maximum Auxiliary Circuit - Secondary - Flow at Pump 9gal/min

  • Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134psi

  • Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

  • 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

Specifications

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

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)

Dimensions - Standard Stick

  • Boom In Reach 120.4in

  • Boom Swing - Left 23.8in

  • Boom Swing - Right 36.8in

  • Cab Height 100in

  • Dig Depth 161.7in

  • Ground Clearance 14in

  • Height - Boom Transport - No Tools* 95.7in

  • Height - Boom Working - With Tools** 104.7in

  • Maximum Blade Depth 26in

  • Maximum Blade Height 16.1in

  • Maximum Dig Height 265.2in

  • Maximum Dump Clearance 187.4in

  • Maximum Reach 281.1in

  • Maximum Reach - Ground Level 273.6in

  • 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.

  • O/A Track Width 97.2in

  • O/A Undercarriage Length 126in

  • Overall Shipping Length - with Counterweight 266.7in

  • Overall Shipping Length - without Counterweight 266.7in

  • Stick Length 71.8in

  • Swing Bearing - Height 29.7in

  • Tail Swing with Counterweight 62.4in

  • Tail Swing without Counterweight 57.1in

  • Track Belt/Shoe Width 17.7in

  • Vertical Wall 117.8in

Service Refill Capacities

  • Cooling System 2.6gal (US)

  • Engine Oil 3gal (US)

  • Fuel Tank 39gal (US)

  • Hydraulic System 29gal (US)

  • Hydraulic Tank 14gal (US)

Swing System

  • Boom Swing - Left 60 degrees

  • Boom Swing - Right 50 degrees

  • Machine Swing Speed 10.6r/min

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 I)

Sustainability

  • Recyclability 96%

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.

Features

Equipment

Standard Equipment

  • 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)

  • 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

  • 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

  • Greased and Lubricated Track

  • Tie Down Eyes on Track Frame

  • Dozer Blade

  • Dozer Float

  • Bolt-on, Reversible Wear Edge

  • 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)

  • 12 Volt Electrical System

  • 60 Ampere Alternator

  • Circuit Breaker

  • 900 CCA Maintenance Free Battery

  • Battery Disconnect

  • Ignition Key Stop Switch

  • Travel Alarm

  • Locks on External Enclosure Doors

  • Lockable Fuel Cap

  • Beacon Socket

  • Rear Reflectors

Optional Equipment

  • 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

  • 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

  • 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

  • Product Link Elite (regulations apply)

  • Rearview Camera

  • Rotating Beacon

  • 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

  • Additional Counterweight

  • Water Jacket Heater

  • Refueling Pump

  • Variable Angle Boom (refer to 309 CR VAB brochure for VAB specs and additional information)