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    Categories ↠ Mini Excavators ↠ Caterpillar 309 CR


    Caterpillar 309 CR Mini Excavator

    The Caterpillar 309 CR Mini Excavator is a powerful and versatile machine designed for various construction and excavation tasks. With a net power of 70.3 hp and a hydraulic system featuring load sensing hydraulics with a variable displacement piston pump, this excavator offers impressive digging forces and operating pressures. Equipped with a long stick boom and standard stick options, as well as a maximum reach of 300.7 inches, this compact excavator is ideal for reaching into tight spaces while maintaining stability. The Caterpillar 309 CR also boasts efficient travel speeds, impressive weight capacities, and comprehensive service refill capacities, making it a reliable choice for any job site.


    See all Caterpillar 309 CRs for sale

    General Specifications

    EngineC3.3B
    Starting 2021 Model Year
    Max Digging Depth97 ft (30 m)
    Starting 2021 Model Year
    Net Power70 hp (52 kw)
    Starting 2021 Model Year
    Operating Weight21,091 lbs (9,567 kg)
    Starting 2021 Model Year

    Blades

    Blade Height17 in (43 cm)

    Dimensions - Long Stick

    Boom In Reach127 in (322 cm)
    Boom Swing - Left24 in (61 cm)
    Boom Swing - Right37 in (94 cm)
    Dig Depth183 in (465 cm)
    Maximum Blade Depth27 in (68 cm)
    Maximum Blade Height14 in (34 cm)
    Maximum Dig Height277 in (703 cm)
    Maximum Dump Clearance199 in (506 cm)
    Maximum Reach301 in (764 cm)
    Maximum Reach - Ground Level294 in (746 cm)
    O/A Shipping Length262 in (666 cm)
    O/A Track Width97 in (247 cm)
    O/A Undercarriage Length126 in (320 cm)
    Stick Length93 in (236 cm)
    Swing Bearing - Height29 in (73 cm)
    Track Belt/Shoe Width18 in (45 cm)
    Vertical Wall134 in (341 cm)

    Dimensions - Standard Stick

    Boom In Reach120 in (306 cm)
    Boom Swing - Left24 in (61 cm)
    Boom Swing - Right37 in (94 cm)
    Dig Depth162 in (411 cm)
    Maximum Blade Depth27 in (68 cm)
    Maximum Blade Height14 in (34 cm)
    Maximum Dig Height265 in (673 cm)
    Maximum Dump Clearance187 in (475 cm)
    Maximum Reach281 in (714 cm)
    Maximum Reach - Ground Level274 in (695 cm)
    O/A Shipping Length259 in (658 cm)
    O/A Track Width97 in (247 cm)
    O/A Undercarriage Length126 in (320 cm)
    Stick Length72 in (182 cm)
    Swing Bearing - Height29 in (73 cm)
    Track Belt/Shoe Width18 in (45 cm)
    Vertical Wall118 in (300 cm)

    Engine

    Bore4 in (9 cm)
    Displacement203 cu in (3,327 cu cm)
    Engine ModelCat C3.3B
    Net Power70 hp (52 kw)
    Stroke5 in (12 cm)

    Hydraulic System

    Auxiliary Circuit - Secondary - Flow9 gpm (34 lpm)
    Auxiliary Circuit - Secondary - Pressure4134 psi
    Digging Force - Bucket13,943 lbs (6,324 kg)
    Digging Force - Stick - Long8,023 lbs (3,639 kg)
    Digging Force - Stick - Standard9,500 lbs (4,309 kg)
    Hydraulic System TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
    Operating Pressure - Equipment4134 psi
    Operating Pressure - Swing3626 psi
    Operating Pressure - Travel4134 psi
    Pump Flow at 2,400 rpm62 gpm (235 lpm)

    Service Refill Capacities

    Cooling System3 gal (10 l)
    Engine Oil3 gal (11 l)
    Fuel Tank39 gal (148 l)
    Hydraulic System28 gal (106 l)
    Hydraulic Tank14 gal (53 l)

    Swing System

    Machine Swing Speed10.6 rpm

    Travel System

    Gradeability - Maximum30 degrees
    Ground Pressure - Maximum Weight6 psi
    Ground Pressure - Minimum Weight6 psi
    Maximum Traction Force - High Speed6,497 lbs (2,947 kg)
    Maximum Traction Force - Low Speed19,064 lbs (8,647 kg)
    Travel Speed - High3 mph (5 kph)
    Travel Speed - Low2 mph (3 kph)

    Weights

    Operating Weight20,731 lbs (9,403 kg)

  • Caterpillar 309 CRs currently for sale
  • A Caterpillar 309 CR From Wyoming Machinery Company for $165,648.00 USD
  • A 2019 Caterpillar 309 CR From Ritchie Bros. Auctioneers for Auction Pricing
  • A Caterpillar 309 CR From Compagnia Generale Trattori for Call for Price
  • A Caterpillar 309 CR From Compagnia Generale Trattori for Call for Price
  • A Caterpillar 309 CR From Compagnia Generale Trattori for Call for Price
  • A Caterpillar 309 CR From Compagnia Generale Trattori for Call for Price
  • A Caterpillar 309 CR From Compagnia Generale Trattori for Call for Price
  • A Caterpillar 309 CR From Compagnia Generale Trattori for Call for Price
  • A Caterpillar 309 CR From Compagnia Generale Trattori for Call for Price
  • A Caterpillar 309 CR From Compagnia Generale Trattori for Call for Price





    • 39.96118 \\ -82.99879 \\ Columbus \\ OH