The Caterpillar 303 is a mini excavator designed for use in the construction and landscaping industries. It was equipped with a number of features including high rotation bucket angle to help prevent accidental spillage, a dozer blade float function to provide easy ground leveling and load sensing hydraulics, meant to help boost fuel economy. The Caterpillar 303 is no longer produced.
Engine and Fuel Specs
The Caterpillar 303 mini excavator is equipped with a Mitsubishi S3L2Y1, which has a displacement of 80.5 cubic-inches. Its bore and stroke is 3.07 inches by 3.62 inches. The fuel tank capacity is 10.9 gallons, with an engine oil capacity of 1.5 gallons.
The Caterpillar 303 is able to generate 26.7 gross horsepower, with a net power output of 25.6 horsepower. On high gearing, it is able to achieve a maximum speed of 2.9 mph, and on low gearing it can achieve a travel speed of 1.6 mph.
Digging and Reach Specs
Equipped with the standard digging stick, the Caterpillar 303 mini excavator can achieve a maximum vertical digging depth of 8.4 feet, a maximum horizontal reach of 17.3 feet, a maximum reach at ground level of 17.1 feet, a maximum cutting height of 15.3 feet and a maximum dump height of 10.4 feet. With a long stick attached, it is able to achieve a maximum vertical digging depth of 8.11 feet, a maximum horizontal reach of 18 feet, a maximum reach at ground level of 16.1 feet, a maximum cutting height of 15.5 feet and a maximum dump height of 10.8 feet.
Dimensions and Weight Specs
The Caterpillar 303 has a shipping length of 15.4 feet, 8.2 feet height over cab and the same height over canopy. It has a center ground clearance of 1.1 feet, and the upper structure has a width of 5.4 feet. The width over track is 5.1 feet. The 303 has an operating weight with a cab attached of 7,524 lbs.; its operating weight with a canopy is 7,326 lbs.
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