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300.9D Mini Hydraulic Excavator

300.9D Mini Hydraulic Excavator

Compact Size for Tight Jobs

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More Comfort – More Performance – More Versatility

  • Compact

    Work in tight areas

  • Easy to Use

    Simple controls for easy operation

  • Versatile

    Range of attachments for a variety of applications

Operational Data

Digging Force - Bucket 2000 lb
Digging Force - Stick 1011 lb
Operating Weight - With Safety Frame 2170 lb
Operating Weight - Without Safety Frame 2061 lb

Engine

Battery 12 V, 20 Amp
Diesel Tank Volume 2.64 gal (US)
Displacement 52 in³
Emissions Meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
Engine Model Yanmar 31NV70
Flywheel Output ISO 13 hp
Gross Power - ISO 14396 18 hp
Make/Type Yanmar 31NV70
Maximum Engine Output 18 hp
Net Power 13 hp
Rated Speed 2100 r/min
Type Water cooled model 3-cylinder diesel engine

Weights

Operating Weight 2061 lb
Operating Weight - With Safety Frame 2170 lb
Operating Weight - Without Safety Frame 2061 lb

Dimensions

Boom Swing Angle - Left 55 °
Boom Swing Angle - Right 56 °
Dig Depth 68 in
Height - With ROPS Safety Frame Folded Down 4.94 ft
Height - With ROPS Safety Frame Unfolded 7.47 ft
Length - Undercarriage 4 ft
Maximum Dig Height 9.39 ft
Maximum Dozer Dig Depth 7 in
Maximum Dozer Lift Height 8 in
Maximum Dump Height 6.68 ft
Maximum Reach 10.09 ft
Maximum Reach - Ground Level 9.92 ft
Maximum Vertical Dig Depth 4.43 ft
Minimum Front Linkage Swing Radius 3.77 ft
Tail Swing Radius 2.41 ft
Track Width 7 in
Transport Length - Arm Lowered 9 ft
Undercarriage Width - Extended 2.83 ft
Undercarriage Width - Retracted 2.33 ft
Width 2.4 ft

Hydraulic System

Discharge Capacity 11.4 + 11.4 L/min (3 + 3 gal/min)
Hydraulic Tank Capacity 3.7 gal (US)
Operating Pressure Pivot 1015 psi
Operating Pressure for the Work and Travel Hydraulics 2466 psi
Pumps 2 gear pumps

Chassis and Swivel Gear

Gradeability 30°/58%
Ground Clearance 5 in
Ground Pressure 3.5 psi
Machine Swing Speed 8 r/min
Number of Rollers - Each Side 2
Track Width 7 in
Travel Speed 1.12 mile/h

Operating Specifications

Machine Overhang 12.5 in
Stick Length - Standard 34.8 in

Dozer Blade

Dig Depth 7 in
Height 8 in
Lift Height 8 in
Width 28 in

Noise Emissions

Sound Power Level (LWA) (to 2000/14/EG) 93 dB(A)

Download resources

300.9D Product Brochure
Cat Mini Hydraulic Excavators Product Line Brochure (North America)
Cat Mini Hydraulic Excavators Product Line Brochure (Europe)
Cat Attachments for Mini Excavators Brochure
Attachment Compatibility Guide for Mini Excavators

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