Engine ModelYanmar 31NV70
Net Power13 HP (9.6 kW)
Operating Weight2061 lb (935 kg)
Caterpillar is pleased to announce the introduction of the 300.9D sub 3 tonnemini 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.


-Engine ModelYanmar 31NV70
-Net Power13 HP (9.6 kW)
-Operating Weight2061 lb (935 kg)
-Pumps2 gear pumps
-Rated Speed2100 r/min (2100 r/min)
-Discharge Capacity11.4 + 11.4 L/min (3 + 3 gal/min)
-Hydraulic Tank Capacity3.7 gal (US) (14 l)
-Operating Pressure Pivot1015 psi (70 bar)
-Operating Pressure for the Work and Travel Hydraulics2466 psi (170 bar)
-Undercarriage Width - Extended2.83 ft (864 mm)
-Tail Swing Radius2.41 ft (736 mm)
-Track Width7 in (180 mm)
-Transport Length - Arm Lowered9 ft (2746 mm)
-Undercarriage Width - Retracted2.33 ft (711 mm)
-Width2.4 ft (730 mm)
-Machine Swing Speed8 r/min (8 r/min)
-Height8 in (200 mm)
-Dig Depth7 in (174 mm)
-Lift Height8 in (197 mm)
-Width28 in (700 mm)
-Sound Power Level (LWA) (to 2000/14/EG)93 dB(A) (93 dB(A))
-Stick Length - Standard34.8 in (890 mm)
-Machine Overhang12.5 in (318 mm)
-Minimum Front Linkage Swing Radius3.77 ft (1150 mm)
-Ground Pressure3.5 psi (0.25 kg/cm²)
-Number of Rollers - Each Side2
-Track Width7 in (180 mm)
-Travel Speed1.12 mile/h (1.8 km/h)
-Ground Clearance5 in (127 mm)
-Maximum Reach10.09 ft (3074 mm)
-Make/TypeYanmar 31NV70
-Gross Power - ISO 1439618 HP (13.7 kW)
-Maximum Engine Output18 HP (13.7 kW)
-TypeWater cooled model 3-cylinder diesel engine
-Operating Weight - With Safety Frame2170 lb (985 kg)
-Flywheel Output ISO13 HP (9.6 kW)
-Displacement52 in³ (854 cm³)
-Operating Weight - With Safety Frame2170 lb (985 kg)
-Digging Force - Stick1011 lb (4.5 kN)
-Operating Weight - Without Safety Frame2061 lb (935 kg)
-Battery12 V, 20 Amp
-Diesel Tank Volume2.64 gal (US) (10 l)
-Operating Weight - Without Safety Frame2061 lb (935 kg)
-Boom Swing Angle - Left55 ° (55 °)
-Maximum Dozer Lift Height8 in (197 mm)
-Maximum Dozer Dig Depth7 in (174 mm)
-Maximum Dump Height6.68 ft (2035 mm)
-Digging Force - Bucket2000 lb (8.9 kN)
-Maximum Reach - Ground Level9.92 ft (3023 mm)
-Maximum Digging Depth5.68 ft (1731 mm)
-Maximum Dig Height9.39 ft (2863 mm)
-Boom Swing Angle - Right56 ° (56 °)
-Height - With ROPS Safety Frame Folded Down4.94 ft (1507 mm)
-Height - With ROPS Safety Frame Unfolded7.47 ft (2276 mm)
-Length - Undercarriage4 ft (1220 mm)
-Maximum Vertical Dig Depth4.43 ft (1349 mm)

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