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Overview

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.

Operational Data

Units:
Digging force - Bucket 2000.0 lb 8.9 kN Less
Digging force - Stick 1011.0 lb 4.5 kN Less
Operating weight with Safety frame 2170.0 lb 985.0 kg Less
Operating weight without Safety frame 2061.0 lb 935.0 kg Less

Engine

Engine Model Yanmar 31NV70 Yanmar 31NV70 Less
Net Power 13.0 hp 9.6 kW Less
Rated speed 2100.0 RPM 2100.0 RPM Less
Battery 12 V, 20 Amp 12 V, 20 Amp Less
Diesel tank volume 2.64 gal 10.0 L Less
Displacement 52.0 in3 854.0 cm3 Less
Flywheel output ISO 13.0 hp 9.6 kW Less
Gross Power (ISO 14396) 18.0 hp 13.7 kW Less
Make/type Yanmar 31NV70 Yanmar 31NV70 Less
Maximum engine output 18.0 hp 13.7 kW Less
Type Water cooled model 3-cylinder diesel engine Water cooled model 3-cylinder diesel engine Less

Weight

Operating weight with Safety frame 2170.0 lb 985.0 kg Less
Operating weight without Safety frame 2061.0 lb 935.0 kg Less

Weights

Operating Weight 2061.0 lb 935.0 kg Less

Dimensions

Boom swing angle (Left) 55.0 Degrees 55.0 Degrees Less
Boom swing angle (Right) 56.0 Degrees 56.0 Degrees Less
Height with ROPS safety frame folded down 4.94 ft 1507.0 mm Less
Height with ROPS safety frame unfolded 7.47 ft 2276.0 mm Less
Length of undercarriage 4.0 ft 1220.0 mm Less
Maximum Digging Depth 5.68 ft 1731.0 mm Less
Maximum Dump Height 6.68 ft 2035.0 mm Less
Maximum dig height 9.39 ft 2863.0 mm Less
Maximum dozer dig depth 7.0 in 174.0 mm Less
Maximum dozer lift height 8.0 in 197.0 mm Less
Maximum reach 10.09 ft 3074.0 mm Less
Maximum reach at ground level 9.92 ft 3023.0 mm Less
Maximum vertical dig depth 4.43 ft 1349.0 mm Less
Minimum front linkage swing radius 3.77 ft 1150.0 mm Less
Tail swing radius 2.41 ft 736.0 mm Less
Track width 7.0 in 180.0 mm Less
Transport length (arm lowered) 9.0 ft 2746.0 mm Less
Undercarriage Width - Extended 2.83 ft 864.0 mm Less
Undercarriage Width - Retracted 2.33 ft 711.0 mm Less
Width 2.4 ft 730.0 mm Less

Hydraulic System

Pumps 2 gear pumps 2 gear pumps Less
Discharge capacity 11.4 + 11.4 L/min (3 + 3 gal/min) 11.4 + 11.4 L/min (3 + 3 gal/min) Less
Hydraulic tank capacity 3.7 gal 14.0 L Less
Operating pressure for the work and travel hydraulics 2466.0 psi 170.0 bar Less
Operating pressure pivot 1015.0 psi 70.0 bar Less

Chassis and Swivel Gear

Gradeability 30°/58% 30°/58% Less
Ground clearance 5.0 in 127.0 mm Less
Ground pressure 3.5 psi 0.25 kg/cm2 Less
Machine swing speed 8.0 RPM 8.0 RPM Less
Number of rollers per side 2 2 Less
Track width 7.0 in 180.0 mm Less
Travel speed 1.12 mph 1.8 km/h Less

Operating Specifications

Machine Overhang 12.5 in 318.0 mm Less
Stick Length - Standard 34.8 in 890.0 mm Less

Dozer Blade

Dig depth 7.0 in 174.0 mm Less
Height 8.0 in 200.0 mm Less
Lift height 8.0 in 197.0 mm Less
Width 28.0 in 700.0 mm Less

Noise Emissions

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

Compact Dimensions

Easy site access


Performance and Durability

Powerful performance, Robust construction, Work tool ready


User Friendly Operation

Simple controls - Easily maintained


Customer Support

Low operating costs with excellent services and options


300.9D Standard Equipment

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

300.9D Optional Equipment

2 way (auger) auxiliary lines to the stick

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

Our Customers Say It Best - Blain Gibson

"Caterpillar makes my job easy because the technology on their newer equipment helps the job go faster."

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Mini Hydraulic Excavators Coupler and Attachments - Video

Watch the illustration to learn how the Cat® dual lock pin grabber coupler disengages with the bucket on Cat Mini Excavators.

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