300.9D Mini Hydraulic Excavator
THE RUNDOWN
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.
Operational Data
| Operating Weight - Without Safety Frame | 2061lb |
| Digging Force - Bucket | 2000lb |
| Digging Force - Stick | 1011lb |
| Operating Weight - With Safety Frame | 2170lb |
Engine
| Net Power | 13hp |
| Engine Model | Yanmar 31NV70 |
| Rated Speed | 2100r/min |
| Maximum Engine Output | 18hp |
| Gross Power - ISO 14396 | 18hp |
| Diesel Tank Volume | 2.64gal (US) |
| Displacement | 52in³ |
| Flywheel Output ISO | 13hp |
| Battery | 12 V, 20 Amp |
| Type | Water cooled model 3-cylinder diesel engine |
| Make/Type | Yanmar 31NV70 |
| Emissions | Meets U.S. EPA Tier 4 Final/EU Stage V emission standards. |
Weights
| Operating Weight - Without Safety Frame | 2061lb |
| Operating Weight - With Safety Frame | 2170lb |
| Operating Weight | 2061lb |
Dimensions
| Dig Depth | 68in |
| Height - With ROPS Safety Frame Unfolded | 7.47ft |
| Undercarriage Width - Extended | 2.83ft |
| Width | 2.4ft |
| Height - With ROPS Safety Frame Folded Down | 4.94ft |
| Maximum Dump Height | 6.68ft |
| Maximum Dozer Lift Height | 8in |
| Length - Undercarriage | 4ft |
| Maximum Vertical Dig Depth | 4.43ft |
| Minimum Front Linkage Swing Radius | 3.77ft |
| Boom Swing Angle - Left | 55° |
| Undercarriage Width - Retracted | 2.33ft |
| Boom Swing Angle - Right | 56° |
| Maximum Reach | 10.09ft |
| Maximum Reach - Ground Level | 9.92ft |
| Transport Length - Arm Lowered | 9ft |
| Track Width | 7in |
| Tail Swing Radius | 2.41ft |
| Maximum Dozer Dig Depth | 7in |
| Maximum Dig Height | 9.39ft |
Hydraulic System
| Pumps | 2 gear pumps |
| Discharge Capacity | 11.4 + 11.4 L/min (3 + 3 gal/min) |
| Operating Pressure for the Work and Travel Hydraulics | 2466psi |
| Operating Pressure Pivot | 1015psi |
| Hydraulic Tank Capacity | 3.7gal (US) |
Chassis and Swivel Gear
| Gradeability | 30°/58% |
| Travel Speed | 1.12mile/h |
| Track Width | 7in |
| Ground Clearance | 5in |
| Ground Pressure | 3.5psi |
| Machine Swing Speed | 8r/min |
| Number of Rollers - Each Side | 2 |
Operating Specifications
| Stick Length - Standard | 34.8in |
| Machine Overhang | 12.5in |
Dozer Blade
| Height | 8in |
| Dig Depth | 7in |
| Width | 28in |
| Lift Height | 8in |
Noise Emissions
| Sound Power Level (LWA) (to 2000/14/EG) | 93dB(A) |