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 | |
|---|---|
| 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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