New CAT Equipment

300.9D Mini Hydraulic Excavator

Compact Size for Tight Jobs

The Cat 300.9D Mini Excavator delivers power and performance in a compact size to help you work in the tightest applications. Its ability to fit through a narrow doorway makes it an excellent machine for indoor demolition work.

Get a Quote

    Fabick Cat needs this information to contact you about our products and services. You may unsubscribe from communications at any time. For more information, please review our Privacy Policy.



    Work in tight areas

    Easy to Use

    Simple controls for easy operation


    Range of attachments for a variety of applications

    Learn more about the 300.9D Mini Hydraulic Excavator


    • Chassis and Swivel Gear
      Ground Clearance
      5 in
      Ground Pressure
      3.5 psi
      Machine Swing Speed
      8 r/min
      Number of Rollers - Each Side
      Track Width
      7 in
      Travel Speed
      1.12 mile/h
    • Dimensions
      Boom Swing Angle - Left
      55 °
      Boom Swing Angle - Right
      56 °
      Dig Depth
      68 in
      Height - With ROPS Safety Frame Folded Down
      4.94 ft
      Height - With ROPS Safety Frame Unfolded
      7.47 ft
      Length - Undercarriage
      4 ft
      Maximum Dig Height
      9.39 ft
      Maximum Dozer Dig Depth
      7 in
      Maximum Dozer Lift Height
      8 in
      Maximum Dump Height
      6.68 ft
      Maximum Reach
      10.09 ft
      Maximum Reach - Ground Level
      9.92 ft
      Maximum Vertical Dig Depth
      4.43 ft
      Minimum Front Linkage Swing Radius
      3.77 ft
      Tail Swing Radius
      2.41 ft
      Track Width
      7 in
      Transport Length - Arm Lowered
      9 ft
      Undercarriage Width - Extended
      2.83 ft
      Undercarriage Width - Retracted
      2.33 ft
      2.4 ft
    • Dozer Blade
      Dig Depth
      7 in
      8 in
      Lift Height
      8 in
      28 in
    • Engine
      12 V, 20 Amp
      Diesel Tank Volume
      2.64 gal (US)
      52 in³
      Meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
      Engine Model
      Yanmar 31NV70
      Flywheel Output ISO
      13 HP
      Gross Power - ISO 14396
      18 HP
      Yanmar 31NV70
      Maximum Engine Output
      18 HP
      Net Power
      13 HP
      Rated Speed
      2100 r/min
      Water cooled model 3-cylinder diesel engine
    • Hydraulic System
      Discharge Capacity
      11.4 + 11.4 L/min (3 + 3 gal/min)
      Hydraulic Tank Capacity
      3.7 gal (US)
      Operating Pressure Pivot
      1015 psi
      Operating Pressure for the Work and Travel Hydraulics
      2466 psi
      2 gear pumps
    • Noise Emissions
      Sound Power Level (LWA) (to 2000/14/EG)
      93 dB(A)
    • Operating Specifications
      Machine Overhang
      12.5 in
      Stick Length - Standard
      34.8 in
    • Operational Data
      Digging Force - Bucket
      2000 lb
      Digging Force - Stick
      1011 lb
      Operating Weight - With Safety Frame
      2170 lb
      Operating Weight - Without Safety Frame
      2061 lb
    • Weights
      Operating Weight
      2061 lb
      Operating Weight - With Safety Frame
      2170 lb
      Operating Weight - Without Safety Frame
      2061 lb
    2 way (auger) auxiliary lines to the stick (not available in all regions)
    Bio oil
    Buckets: 250 mm (10 in); 350 mm (15 in); 700 mm (2 ft 4 in)
    Custom color paint
    Front guard
    Rotating beacon