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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.

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Specifications
Equipment
Units: US Metric
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
Maximum Digging Depth
5.68 ft
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)