THIS IS MY SELECT

Mini Excavators

309 CR VAB Mini Hydraulic Excavator

Net Power

70.3 HP

Operating Weight

20,731 lb

Dig Depth

154.8 in

THIS IS MY SELECT

backhoe loader

309 CR VAB Mini Hydraulic Excavator

Net Power

70.3 HP

Operating Weight

20,731 lb

Dig Depth

154.8 in

Specifications

The Cat ® 309 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.

      • Operating Pressure - Swing

        3,626 psi

        250 bar

        Digging Force - Stick - Long

        8,023 lb

        35.7 kN

        Operating Pressure - Travel

        4,134 psi

        285 bar

        Auxiliary Circuit - Primary (High Flow) - Flow

        37 gal/min

        140 l/min

        Pump Flow at 2,400 rpm

        62 gal/min

        233 l/min

        Digging Force - Bucket

        13,943 lb

        62 kN

        Operating Pressure - Equipment

        4,134 psi

        285 bar

        Auxiliary Circuit - Secondary - Flow

        9 gal/min

        33 l/min

        Auxiliary Circuit - Primary (High Flow) - Pressure

        4,134 psi

        285 bar

        Type

        93.0 in

        93.0 mm

        Load Sensing Hydraulics with Variable Displacement Piston Pump

        Digging Force - Stick - Standard

        9,500 lb

        42.3 kN

        Auxiliary Circuit - Secondary - Pressure

        4,134 psi

        285 bar

      • Air Conditioning

        93.0 in

        93.0 mm

        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.

      • Tip Over Protective Structure (TOPS)

        93.0 in

        93.0 mm

        ISO 12117:1997

        Roll Over Protective Structure (ROPS)

        93.0 in

        93.0 mm

        ISO 12117-2:2008

        Top Guard

        93.0 in

        93.0 mm

        ISO 10262:1998 (Level II)

      • Maximum Reach - Ground Level

        293.8 in

        7,462 mm

        Boom Swing - Right

        37 in

        935 mm

        Dig Depth

        183.1 in

        4,650 mm

        Tail Swing with Counterweight

        64.8 in

        1,645 mm

        Stick Length

        92.8 in

        2,358 mm

        Tail Swing without Counterweight

        57.1 in

        1,450 mm

        Maximum Dump Clearance

        199.4 in

        5,065 mm

        Boom Swing - Left

        24 in

        604 mm

        Swing Bearing - Height

        28.7 in

        729 mm

        Maximum Dig Height

        276.8 in

        7,032 mm

        O/A Shipping Length

        262.3 in

        6,662 mm

        Maximum Blade Depth

        26.9 in

        684 mm

        Track Belt/Shoe Width

        17.7 in

        450 mm

        Vertical Wall

        134.3 in

        3,411 mm

        Maximum Blade Height

        13.5 in

        342 mm

        Cab Height

        99 in

        2,514 mm

        Ground Clearance

        13.5 in

        343 mm

        Transport Height

        99 in

        2,514 mm

        Boom In Reach

        126.6 in

        3,215 mm

        Maximum Reach

        300.7 in

        7,637 mm

        O/A Undercarriage Length

        126 in

        3,200 mm

        O/A Track Width

        97.2 in

        2,470 mm

      • Boom In Reach

        120.4 in

        3,058 mm

        Tail Swing with Counterweight

        64.8 in

        1,645 mm

        Dig Depth

        162 in

        4,115 mm

        Stick Length

        71.8 in

        1,823 mm

        Boom Swing - Right

        37 in

        935 mm

        O/A Undercarriage Length

        126 in

        3,200 mm

        Vertical Wall

        118 in

        2,998 mm

        O/A Shipping Length

        259 in

        6,578 mm

        Maximum Blade Height

        13.5 in

        342 mm

        Swing Bearing - Height

        28.7 in

        729 mm

        Maximum Blade Depth

        26.9 in

        684 mm

        Maximum Dump Clearance

        187.1 in

        4,753 mm

        Tail Swing without Counterweight

        57.1 in

        1,450 mm

        Ground Clearance

        13.5 in

        343 mm

        O/A Track Width

        97.2 in

        2,470 mm

        Boom Swing - Left

        24 in

        604 mm

        Maximum Reach

        281.1 in

        7,140 mm

        Maximum Dig Height

        264.9 in

        6,729 mm

        Track Belt/Shoe Width

        17.7 in

        450 mm

        Transport Height

        97.9 in

        2,487 mm

        Cab Height

        99 in

        2,514 mm

        Maximum Reach - Ground Level

        273.6 in

        6,951 mm

      • Dig Depth

        154.8 in

        3,931 mm

        Maximum Blade Depth

        26.9 in

        684 mm

        Tail Swing without Counterweight

        57.1 in

        1,450 mm

        Boom Swing Left

        24 in

        604 mm

        Overall Track Width

        97.2 in

        2,470 mm

        Vertical Wall

        133.6 in

        3,394 mm

        Ground Clearance

        13.5 in

        343 mm

        Overall Shipping Length

        227.2 in

        5,771 mm

        Maximum Dump Clearance

        143.4 in

        3,643 mm

        Boom in Reach

        112.3 in

        2,853 mm

        Cab Height

        99 in

        2,514 mm

        Tail Swing with Counterweight

        64.8 in

        1,645 mm

        Maximum Reach at Ground Level

        252.1 in

        6,403 mm

        Swing Bearing Height

        31.4 in

        798 mm

        Overall Undercarriage Length

        126 in

        3,200 mm

        Boom Swing Right

        37 in

        935 mm

        Track Belt/Shoe Width

        17.7 in

        450 mm

        Maximum Blade Height

        13.5 in

        342 mm

        Stick Length

        71.8 in

        1,823 mm

        Maximum Reach

        260.3 in

        6,612 mm

        Transport Height

        99.6 in

        2,530 mm

        Maximum Dig Height

        216.3 in

        5,494 mm

      • Maximum Blade Depth

        26.9 in

        684 mm

        Dig Depth

        136.5 in

        3,468 mm

        Track Belt/Shoe Width

        17.7 in

        450 mm

        Maximum Reach

        311 in

        7,900 mm

        Tail Swing without Counterweight

        57.1 in

        1,450 mm

        Maximum Reach at Ground Level

        304.4 in

        7,732 mm

        Maximum Dig Height

        321.7 in

        8,171 mm

        Boom Swing Left

        24 in

        604 mm

        Overall Undercarriage Length

        126 in

        3,200 mm

        Transport Height

        96.5 in

        2,452 mm

        Stick Length

        71.8 in

        1,823 mm

        Overall Shipping Length

        281.8 in

        7,158 mm

        Maximum Dump Clearance

        251.6 in

        6,390 mm

        Boom Swing Right

        37 in

        935 mm

        Swing Bearing Height

        31.4 in

        798 mm

        Vertical Wall

        138.7 in

        3,524 mm

        Boom in Reach

        117.9 in

        2,995 mm

        Cab Height

        99 in

        2,514 mm

        Ground Clearance

        13.5 in

        343 mm

        Overall Track Width

        97.2 in

        2,470 mm

        Maximum Blade Height

        13.5 in

        342 mm

        Tail Swing with Counterweight

        64.8 in

        1,645 mm

      • Net Power

        70.3 HP

        52.4 kW

        Engine Model

        93.0 in

        93.0 mm

        Cat C3.3B

        Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269

        71.5 HP

        53.3 kW

        Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269

        70.3 HP

        52.4 kW

        Stroke

        4.7 in

        120 mm

        Bore

        3.7 in

        94 mm

        Displacement

        203 in³

        3.33 l

        Gross Power - ISO 14396

        74.3 HP

        55.4 kW

      • Height

        17 in

        431 mm

        Width - Wide

        103.9 in

        2,640 mm

        Width - Standard

        97.2 in

        2,470 mm

      • Hydraulic System

        28 gal (US)

        107 l

        Fuel Tank

        39 gal (US)

        147 l

        Hydraulic Tank

        14 gal (US)

        53 l

        Engine Oil

        3 gal (US)

        11.2 l

        Cooling System

        2.6 gal (US)

        10 l

      • Average Exterior Sound Pressure (ISO 6395:2008)

        99 dB(A)

        99 dB(A)

        Operator Sound Pressure (ISO 6396:2008)

        72 dB(A)

        72 dB(A)

        Note

        93.0 in

        93.0 mm

        European Union Directive “2000/14/EC”

      • Note

        93.0 in

        93.0 mm

        The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR with a Standard Undercarriage, please refer to the 308 CR information.

      • Machine Swing Speed

        10.6 r/min

        10.6 r/min

      • Travel Speed - Low

        1.6 mile/h

        2.6 km/h

        Travel Speed - High

        3.1 mile/h

        4.9 km/h

        Maximum Traction Force - Low Speed

        19,064 lb

        84.8 kN

        Ground Pressure - Maximum Weight

        6 psi

        40.8 kPa

        Gradeability - Maximum

        93.0 in

        93.0 mm

        30 degrees

        Maximum Traction Force - High Speed

        6,497 lb

        28.9 kN

        Ground Pressure - Minimum Weight

        6 psi

        38 kPa

      • Counterweight

        552 lb

        250 kg

        Steel Tracks with Pads

        728 lb

        330 kg

        Long Stick

        146 lb

        66 kg

      • Operating Weight

        20,731 lb

        9,403 kg

        Note

        93.0 in

        93.0 mm

        *Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket.

        Minimum Operating Weight with Cab*

        19,304 lb

        8,756 kg

        Maximum Operating Weight with Cab*

        21,054 lb

        9,550 kg

        Maximum Operating Weight with Cab**

        20,731 lb

        9,403 kg

        Note (1)

        93.0 in

        93.0 mm

        *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.

        Note (2)

        93.0 in

        93.0 mm

        **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.

      • ENGINE

        • Extended Life Coolant, –37° C (–35° F)

        • Ecology Drain

        • Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)

        • Automatic Two Speed Travel

        • Automatic Engine Shutdown

        • Radial Seal – Double Element Air Filter

        • Automatic Swing Brake

        • Automatic Engine Idle

        • Fuel Water Separator with Indicator

      • HYDRAULICS

        • Case Drain Line

        • Hydraulic Temperature Monitoring

        • Hydro Advanced Hydraulic Oil

        • Certified Accumulator

        • Power On Demand

        • Variable Displacement Piston Pump

        • Load Sensing/Flow Sharing Hydraulics

        • Smart Tech Electronic Pump

      • OPERATOR ENVIRONMENT

        • Rear Window Emergency Exit

        • Assisted Front Window Overhead Storage

        • 12V Power Socket

        • Travel Pedals and Hand Levers

        • Travel Cruise Control

        • LED Interior Light

        • Coat Hook

        • Cat Key with Passcode Option

        • Fabric, High Back, Suspension Seat

        • Stick Steer Mode

        • ROPS – ISO 12117-2:2008

        • Removable, Washable Floor Mat

        • Literature Holder

        • Color LCD Monitor – Fuel Level and Coolant Temperature Gauges – Maintenance and Machine Monitoring – Performance and Machine Adjustments – Numeric Security Code – Multiple Languages – Camera Ready – Hour Meter with Wake Up Switch – Jog Dial Control Interface

        • Mounting Bosses for Top and Front Guards

        • Sealed and Pressurized Cab

        • Radio – Bluetooth®, USB, Auxiliary, Microphone

        • Skylight

        • Integrated Lower Front Window

        • HVAC with Automatic Temperature Control

        • Retractable Seat Belt (75 mm/3 in)

        • TOPS – ISO 12117:1997

        • Top Guard – ISO 10262:1998 (Level II)

        • Cup Holder

        • Hydraulic Lockout Controls

        • Control Pattern Changer

        • Operator Sound Pressure 72 dB(A) ISO 6396:2008

        • Molded Footrests

        • Adjustable Wrist Rests

      • UNDERCARRIAGE

        • Tie Down Eyes on Track Frame

        • Dozer Blade

        • Dozer Float

        • Bolt-on, Reversible Wear Edge

        • Steel Tracks (450 mm/17.7 in wide)

        • Hydraulic Track Adjusters

        • Greased and Lubricated Track

      • BOOM, STICK AND LINKAGES

        • Variable Angle Boom

        • Standard Stick (1823 mm/71.8 in)

        • Front Shovel Capable (Pin-On/Manual Coupler/Hydraulic Coupler – not available in all regions)

        • Thumb Ready (not available in all regions)

        • Certified Lifting Eye (not available in all regions)

      • ELECTRICAL

        • 12 Volt Electrical System

        • 90 Ampere Alternator

        • 850 CCA Maintenance Free Battery

        • Circuit Breaker

        • Ignition Key Stop Switch

        • Signaling/Warning Horn

        • Product Link™ Elite Lite (regulations apply)

      • OPERATOR ENVIRONMENT

        • Air Suspension Heated Seat

        • Rain Visor

      • ELECTRICAL

        • Rearview Camera

        • Rotating Beacon

      • OTHER

        • Boom and Stick Hose Burst Check Valves

        • Bucket Linkage with Lift Eye

        • Track Guides

        • Attachments including Buckets, Augers and Hammers

        • Wide Steel Tracks (600 mm/23.6 in)

        • 2nd Auxiliary Hydraulic Lines

        • Wide Dozer Blade

        • Additional Counterweight

        • Water Jacket Heater

        • Refueling Pump

        • Cab Guarding

        • Travel Alarm (standard in some regions)

      Similar Models

      WHY CHOOSE EMPIRE

      • Every purchase backed by a full menu of service and support offerings

      • Flexible financing options designed to fit your budget

      • Commitment to providing expert training to maximize operations

      • Value Agreements to ensure proper maintenance and performance