Caterpillar is pleased to announce the introduction of the 300.9D sub 3 ton mini 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.
Features
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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.
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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.
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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.
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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.
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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.
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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.
Specifications
Units for specifications
Operational Data
| Operating Weight - Without Safety Frame | 2061 lb 935 kg |
|---|---|
| Digging Force - Bucket | 2000 lb 8.9 kN |
| Digging Force - Stick | 1011 lb 4.5 kN |
| Operating Weight - With Safety Frame | 2170 lb 985 kg |
Engine
| Net Power | 13 hp 9.6 kW |
|---|---|
| Engine Model | Yanmar 31NV70 |
| Rated Speed | 2100 r/min 2100 r/min |
| Maximum Engine Output | 18 hp 13.7 kW |
| Gross Power - ISO 14396 | 18 hp 13.7 kW |
| Diesel Tank Volume | 2.64 gal (US) 10 l |
| Displacement | 52 in³ 854 cm³ |
| Flywheel Output ISO | 13 hp 9.6 kW |
| 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 | 2061 lb 935 kg |
|---|---|
| Operating Weight - With Safety Frame | 2170 lb 985 kg |
| Operating Weight | 2061 lb 935 kg |
Dimensions
| Dig Depth | 68 in 1731 mm |
|---|---|
| Undercarriage Width - Extended | 2.83 ft 864 mm |
| Width | 2.4 ft 730 mm |
| Height - With ROPS Safety Frame Folded Down | 4.94 ft 1507 mm |
| Maximum Dump Height | 6.68 ft 2035 mm |
| Maximum Dozer Lift Height | 8 in 197 mm |
| Length - Undercarriage | 4 ft 1220 mm |
| Maximum Vertical Dig Depth | 4.43 ft 1349 mm |
| Minimum Front Linkage Swing Radius | 3.77 ft 1150 mm |
| Boom Swing Angle - Left | 55 ° 55 ° |
| Undercarriage Width - Retracted | 2.33 ft 711 mm |
| Boom Swing Angle - Right | 56 ° 56 ° |
| Maximum Reach | 10.09 ft 3074 mm |
| Maximum Reach - Ground Level | 9.92 ft 3023 mm |
| Transport Length - Arm Lowered | 9 ft 2746 mm |
| Track Width | 7 in 180 mm |
| Tail Swing Radius | 2.41 ft 736 mm |
| Maximum Dozer Dig Depth | 7 in 174 mm |
| Maximum Dig Height | 9.39 ft 2863 mm |
| Height - With ROPS Safety Frame Unfolded | 7.47 ft 2276 mm |
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 | 2466 psi 170 bar |
| Operating Pressure Pivot | 1015 psi 70 bar |
| Hydraulic Tank Capacity | 3.7 gal (US) 14 l |
Chassis and Swivel Gear
| Gradeability | 30°/58% |
|---|---|
| Travel Speed | 1.12 mile/h 1.8 km/h |
| Track Width | 7 in 180 mm |
| Ground Clearance | 5 in 127 mm |
| Ground Pressure | 3.5 psi 0.25 kg/cm² |
| Machine Swing Speed | 8 r/min 8 r/min |
| Number of Rollers - Each Side | 2 |
Operating Specifications
| Stick Length - Standard | 34.8 in 890 mm |
|---|---|
| Machine Overhang | 12.5 in 318 mm |
Dozer Blade
| Height | 8 in 200 mm |
|---|---|
| Dig Depth | 7 in 174 mm |
| Width | 28 in 700 mm |
| Lift Height | 8 in 197 mm |
Noise Emissions
| Sound Power Level (LWA) (to 2000/14/EG) | 93 dB(A) 93 dB(A) |
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Optional Equipment
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
Videos
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Overview of the Cat 300.9D -
Introducing the Cat 300.9D
