300.9D

300.9D Mini Hydraulic Excavator

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.

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.

Additional information

Offering Type

Engine - Net Power

9.6 kW ( 13 HP )

Engine Model

Yanmar 31NV70

Engine - Rated Speed

2100 r/min ( 2100 r/min )

Engine - Gross Power - ISO 14396

13.7 kW ( 18 HP )

Engine - Displacement

854 cm³ ( 52 in³ )

Engine - Emissions

Meets U.S. EPA Tier 4 Final/EU Stage V emission standards.

Weights - Operating Weight

935 kg ( 2061 lb )

Dimensions - Dig Depth

1731 mm ( 68 in )

Dimensions - Width

730 mm ( 2.4 ft )

Dimensions - Maximum Reach

3074 mm ( 10.09 ft )

Dimensions - Maximum Reach - Ground Level

3023 mm ( 9.92 ft )

Dimensions - Tail Swing Radius

736 mm ( 2.41 ft )

Dimensions - Maximum Dig Height

2863 mm ( 9.39 ft )

Dimensions - Maximum Dump Height

2035 mm ( 6.68 ft )

Dimensions - Maximum Dozer Lift Height

197 mm ( 8 in )

Dimensions - Length - Undercarriage

1220 mm ( 4 ft )

Dimensions - Boom Swing Angle - Left

55 ° ( 55 ° )

Dimensions - Boom Swing Angle - Right

56 ° ( 56 ° )

Operating Specifications - Machine Overhang

318 mm ( 12.5 in )

Weights - Operating Weight - Without Safety Frame

935 kg ( 2061 lb )

Weights - Operating Weight - With Safety Frame

985 kg ( 2170 lb )

Engine - Diesel Tank Volume

10 l ( 2.64 gal (US) )

Engine - Battery

12 V, 20 Amp

Dimensions - Height - With ROPS Safety Frame Unfolded

2276 mm ( 7.47 ft )

Hydraulic System - Operating Pressure Pivot

70 bar ( 1015 psi )

Engine - Make/Type

Yanmar 31NV70

Hydraulic System - Operating Pressure for the Work and Travel Hydraulics

170 bar ( 2466 psi )

Noise Emissions - Sound Power Level (LWA) (to 2000/14/EG)

93 dB(A) ( 93 dB(A) )

Dimensions - Transport Length - Arm Lowered

2746 mm ( 9 ft )

Chassis and Swivel Gear - Gradeability

30°/58%

Dimensions - Height - With ROPS Safety Frame Folded Down

1507 mm ( 4.94 ft )

Operational Data - Digging Force - Stick

4.5 kN ( 1011 lb )

Dimensions - Minimum Front Linkage Swing Radius

1150 mm ( 3.77 ft )

Hydraulic System - Pumps

2 gear pumps

Chassis and Swivel Gear - Travel Speed

1.8 km/h ( 1.12 mile/h )

Chassis and Swivel Gear - Track Width

180 mm ( 7 in )

Dozer Blade - Height

200 mm ( 8 in )

Engine - Type

Water cooled model 3-cylinder diesel engine

Dimensions - Maximum Dozer Dig Depth

174 mm ( 7 in )

Hydraulic System - Hydraulic Tank Capacity

14 l ( 3.7 gal (US) )

Chassis and Swivel Gear - Number of Rollers - Each Side

2

Dimensions - Undercarriage Width - Extended

864 mm ( 2.83 ft )

Dozer Blade - Dig Depth

174 mm ( 7 in )

Dimensions - Maximum Vertical Dig Depth

1349 mm ( 4.43 ft )

Dozer Blade - Lift Height

197 mm ( 8 in )

Chassis and Swivel Gear - Ground Clearance

127 mm ( 5 in )

Maximum Engine Output

13.7 kW ( 18 HP )

Engine - Flywheel Output ISO

9.6 kW ( 13 HP )

Operational Data - Operating Weight - With Safety Frame

985 kg ( 2170 lb )

Dozer Blade - Width

700 mm ( 28 in )

Operational Data - Digging Force - Bucket

8.9 kN ( 2000 lb )

Hydraulic System - Discharge Capacity

11.4 + 11.4 L/min (3 + 3 gal/min)

Dimensions - Undercarriage Width - Retracted

711 mm ( 2.33 ft )

Chassis and Swivel Gear - Ground Pressure

0.25 kg/cm² ( 3.5 psi )

Operational Data - Operating Weight - Without Safety Frame

935 kg ( 2061 lb )

Dimensions - Track Width

180 mm ( 7 in )

Chassis and Swivel Gear - Machine Swing Speed

8 r/min ( 8 r/min )

Operating Specifications - Stick Length - Standard

890 mm ( 34.8 in )

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