Midi Excavator

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Caterpillar 304.5 Midi Excavator
Midi excavators can be distinguished from other types of excavators by their operating weight, which falls between 10,000 and 19,999 pounds (4,536 to 9,071 kg).^[1] Smaller models are known as mini excavators, and larger ones are classified as hydraulic excavators. Like mini excavators, midis are often included in the compact excavator category.^[2]

Originally developed in Europe, midi excavators are used to unearth and move material in various industries, generally in small-scale applications. They are sometimes used for highway maintenance projects.^[3]

Midi excavators combine certain features of a mini excavator—such as rubber tracks, compact design, and tight tail swing (alleviating rear-swing impacts)—with the performance capabilities of a larger machine.^[4]

[edit] History

As the midi excavator is a derivative of the hydraulic excavator, the two types share their developmental history.

See also: Hydraulic Excavator

[edit] Features

Midi excavators are available with a wide variety of feature options, including: a cab or canopy, air conditioning, zero tail swing, auxiliary hydraulics (used to power attachments on industrial machines), and rubber tracks. It may also include a counterweight removal device, which allows the cylinders and integral device to be removed in one piece as the counterweight reduces transport weight. The stick length on a midi excavator can vary, as can the type of boom (offset, swing away, two-piece, or variable angle).