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300.9D Mini Hydraulic Excavator

Caterpillar is pleased to announce the introduction of the 300.9D sub 3 tonnemini excavator machine. The 300.9D expands the Cat® Mini Excavator offering. Most notably, the new 300.9D sub 1 tonne class provides customers with a lower cost unit for entrance into MHE ownership.

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SPECIFICATION SUMMARY
  • Engine Model Yanmar 31NV70
  • Net Power 13.0 hp
  • Operating Weight 2061.0 lb
  • Pumps 2 gear pumps

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Engine Model
    Yanmar 31NV70
  • Net Power
    13.0 hp
  • Rated speed
    2100.0 RPM
  • Diesel tank volume
    2.64 gal
  • Displacement
    52.0 in3
  • Gross Power (ISO 14396)
    18.0 hp
  • Type
    Water cooled model 3-cylinder diesel engine
  • Battery
    12 V, 20 Amp
  • Flywheel Output ISO
    13 HP
  • Make/Type
    Yanmar 31NV70
  • Maximum Engine Output
    18 HP
  • Engine Model
    Yanmar 31NV70
  • Net Power
    13 HP
  • Rated Speed
    2100 r/min
  • Diesel Tank Volume
    2.64 gal (US)
  • Displacement
    52 in³
  • Gross Power - ISO 14396
    18 HP
  • Type
    Water cooled model 3-cylinder diesel engine
  • Emissions
    Meets U.S. EPA Tier 4 Final/EU Stage V emission standards.

Weights

  • Operating Weight
    2061.0 lb
  • Operating Weight - With Safety Frame
    2170 lb
  • Operating Weight - Without Safety Frame
    2061 lb
  • Operating Weight
    2061 lb

Hydraulic System

  • Pumps
    2 gear pumps
  • Discharge capacity
    11.4 + 11.4 L/min (3 + 3 gal/min)
  • Hydraulic tank capacity
    3.7 gal
  • Operating pressure for the work and travel hydraulics
    2466.0 psi
  • Operating pressure pivot
    1015.0 psi
  • Pumps
    2 gear pumps
  • 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

Dimensions

  • Boom swing angle (Left)
    55.0 Degrees
  • Boom swing angle (Right)
    56.0 Degrees
  • Height with ROPS safety frame folded down
    4.94 ft
  • Maximum Digging Depth
    5.68 ft
  • Maximum Dump Height
    6.68 ft
  • Maximum reach
    10.09 ft
  • Tail swing radius
    2.41 ft
  • Track width
    7.0 in
  • Width
    2.4 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 Reach - Ground Level
    9.92 ft
  • Maximum Vertical Dig Depth
    4.43 ft
  • Minimum Front Linkage Swing Radius
    3.77 ft
  • Transport Length - Arm Lowered
    9 ft
  • Undercarriage Width - Extended
    2.83 ft
  • Undercarriage Width - Retracted
    2.33 ft
  • Boom Swing Angle - Left
    55 °
  • Boom Swing Angle - Right
    56 °
  • Height - With ROPS Safety Frame Folded Down
    4.94 ft
  • Maximum Digging Depth
    5.68 ft
  • Maximum Dump Height
    6.68 ft
  • Maximum Reach
    10.09 ft
  • Tail Swing Radius
    2.41 ft
  • Track Width
    7 in
  • Width
    2.4 ft

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
  • Gradeability
    30°/58%
  • Number of Rollers - Each Side
    93 dB(A)

Dozer Blade

  • Width
    28.0 in
  • Dig Depth
    7 in
  • Height
    8 in
  • Lift Height
    8 in
  • Width
    28 in

Operational Data

  • Digging force - Bucket
    2000.0 lb
  • Digging force - Stick
    1011.0 lb
  • Operating weight with Safety frame
    2170.0 lb
  • Operating Weight - Without Safety Frame
    2061 lb
  • Digging Force - Bucket
    2000 lb
  • Digging Force - Stick
    1011 lb
  • Operating Weight - With Safety Frame
    2170 lb

Operating Specifications

  • Machine Overhang
    12.5 in
  • Stick Length - Standard
    34.8 in

Noise Emissions

  • Sound Power Level (LWA) (to 2000/14/EG)
    93 dB(A)

Compact Dimensions

With an overall width of only 730 mm (2 ft 5 in) the Cat® 300.9D can easily drive through narrow passages and doors. Both indoor and outdoor jobs are now accessible with the under 1000 kg (2,205 lb) weight making easy trailer transportation between sites possible.

Extending Undercarriage and Blade

An extending undercarriage and fold out dozer blade allow the machine to be configured for excellent working stability and optimum performance. Easy retraction, controlled from the operator's seat, enables the machine to pass through narrow openings.

Foldable Safety Frame

A protective ROPS safety frame structure mounted on the front of the machine allows fitting of a guard for extra operator protection during hammer use. The structure folds down in a few seconds for easy machine transportation and storage.

Simple Controls

The operator area is spacious and laid out to provide comfort and ease of operation. Smooth, precise operation is possible from easy to use controls allowing all skill levels to be productive with little practice.

Easy Service

Service and maintenance time is reduced to a minimum with a simple to open steel engine cover and all maintenance and greasing points easily accessible.

Versatility

A range of tools is available to take advantage of the machine's versatility. All tools are matched to the machine to optimize performance and deliver excellent value through high productivity and long life.