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

Benefits

Compact

Work in tight areas

Easy to Use

Simple controls for easy operation

Versatile

Range of attachments for a variety of applications

Learn more about the 300.9D Mini Hydraulic Excavator

Watch

  • Chassis and Swivel Gear
    Gradeability
    30°/58%
    Ground Clearance
    5 in
    Ground Pressure
    3.5 psi
    Machine Swing Speed
    8 r/min
    Number of Rollers - Each Side
    2
    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
    Width
    2.4 ft
  • Dozer Blade
    Dig Depth
    7 in
    Height
    8 in
    Lift Height
    8 in
    Width
    28 in
  • Engine
    Battery
    12 V, 20 Amp
    Diesel Tank Volume
    2.64 gal (US)
    Displacement
    52 in³
    Emissions
    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
    Make/Type
    Yanmar 31NV70
    Maximum Engine Output
    18 hp
    Net Power
    13 hp
    Rated Speed
    2100 r/min
    Type
    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
    Pumps
    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
Hammer
Rotating beacon