300.9D Mini Excavator

300.9D Mini Hydraulic Excavator

Excavators

Overview

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.

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.
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.

Noise Emissions

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

Dozer Blade

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

Operating Specifications

Machine Overhang
12.5in
Stick Length - Standard
34.8in

Chassis and Swivel Gear

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

Dimensions

Minimum Front Linkage Swing Radius
3.77ft
Maximum Vertical Dig Depth
4.43ft
Length - Undercarriage
4ft
Maximum Dozer Lift Height
8in
Maximum Dump Height
6.68ft
Height - With ROPS Safety Frame Folded Down
4.94ft
Width
2.4ft
Undercarriage Width - Extended
2.83ft
Maximum Digging Depth
5.68ft
Height - With ROPS Safety Frame Unfolded
7.47ft
Maximum Dig Height
9.39ft
Maximum Dozer Dig Depth
7in
Tail Swing Radius
2.41ft
Track Width
7in
Transport Length - Arm Lowered
9ft
Maximum Reach - Ground Level
9.92ft
Maximum Reach
10.09ft
Boom Swing Angle - Right
56°
Undercarriage Width - Retracted
2.33ft
Boom Swing Angle - Left
55°

Weights

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

Engine

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

Operational Data

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

Hydraulic System

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

Standard/Optional Features

Standard Equipment:

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

See how 300.9D compares against frequently compared products

300.9D Excavators

Minimum Front Linkage Swing Radius
3.77 ft
Maximum Vertical Dig Depth
4.43 ft
Length - Undercarriage
4 ft
Selected Model

301.5 Excavators

Minimum Front Linkage Swing Radius
3.77 ft
Maximum Vertical Dig Depth
4.43 ft
Length - Undercarriage
4 ft
View Full Specs

300.9D Excavators

Minimum Front Linkage Swing Radius
3.77 ft
Maximum Vertical Dig Depth
4.43 ft
Length - Undercarriage
4 ft
View Full Specs

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