300.9D Mini Hydraulic Excavator

300.9D Mini Hydraulic Excavator

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Caterpillar is pleased to announce the introduction of the 300.9D sub 3 tonne 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.

Engine

Gross Power
18.0 hp
Engine Model
Yanmar 31NV70
Net Power
13.0 hp
Rated speed
2100.0 RPM
Battery
12 V, 20 Amp
Diesel tank volume
2.64 gal
Displacement
52.0 in3
Flywheel output ISO
13.0 hp
Make/type
Yanmar 31NV70
Maximum engine output
18.0 hp
Type
Water cooled model 3-cylinder diesel engine
Gross Power (ISO 14396)
18.0 hp

Operational Data

Digging force - Bucket
2000.0 lb
Digging force - Stick
1011.0 lb
Operating weight with Safety frame
2170.0 lb
Operating weight without Safety frame
2061.0 lb

Weights

Transport weight without Safety frame
2060.0 lb
Transport weight with Safety frame
2170.0 lb
Operating Weight
2061.0 lb

Dimensions

Ground Clearance
5.0 in
Boom swing angle (Left)
55.0 Degrees
Boom swing angle (Right)
56.0 Degrees
Height with ROPS safety frame folded down
4.94 ft
Height with ROPS safety frame unfolded
7.47 ft
Length of undercarriage
4.0 ft
Maximum dig height
9.39 ft
Maximum Digging Depth
5.68 ft
Maximum dozer dig depth
7.0 in
Maximum dozer lift height
8.0 in
Maximum Dump Height
6.68 ft
Maximum reach
10.09 ft
Maximum reach at 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
7.0 in
Transport length (arm lowered)
9.0 ft
Undercarriage Width - Extended
2.83 ft
Undercarriage Width - Retracted
2.33 ft
Width
2.4 ft

Weight

Operating weight with Safety frame
2170.0 lb
Operating weight without Safety frame
2061.0 lb

Engine Dimensions

Displacement
52.0 in3

Travel System

Travel Speed
1.12 mph
Ground Pressure
3.5 psi
Gradeability
30°/58%

Hydraulic System

Digging Force – Bucket
2000.0 lb
Operating Pressure – Travel
2466.0 psi
Digging Force – Stick
1011.0 lb
Operating Pressure – Swing
1015.0 psi
Pumps
2 gear pumps
Discharge capacity
11.4 + 11.4 L/min (3 + 3 gal/min)
Hydraulic tank capacity
3.7 gal
Operating pressure for the work and travel hydraulics
2466.0 psi
Operating pressure pivot
1015.0 psi

Swing System

Machine Swing Speed
8.0 RPM

Sound Levels

Sound power level (LWA) (to 2000/14/EG)
93.0 dB(A)

Blade

Width
27.5 in
Height
8.0 in
Dig Depth
8.0 in
Lift Height
7.0 in

Service Refill Capacities

Hydraulic Tank
3.7 gal
Fuel Tank
2.64 gal

Track

Track width
7.0 in

Chassis and Swivel Gear

Gradeability
30°/58%
Ground clearance
5.0 in
Ground pressure
3.5 psi
Machine swing speed
8.0 RPM
Number of rollers per side
2
Track width
7.0 in
Travel speed
1.12 mph

Operating Specifications

Machine Overhang
12.5 in
Stick Length - Standard
34.8 in

Dozer Blade

Dig depth
7.0 in
Height
8.0 in
Lift height
8.0 in
Width
28.0 in

Noise Emissions

Sound power level (LWA) (to 2000/14/EG)
93.0 dB(A)
  • Adjustable vinyl seat
  • Auxiliary hydraulic circuit, with one-way (hammer) lines to stick
  • Boom mounted work light
  • Dozer blade, with side extensions
  • Ecology drain for hydraulic tank
  • Hydraulic extending undercarriage
  • Retractable seatbelt
  • Rubber belt track, 180 mm (7 in) wide
  • 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