Crawler excavator
A crawler excavator (or crawling digger) is a tracked vehicle designed to dig or grade, or move earth and large objects, and is classified by its mode of locomotion. The many types of excavators include wheeled, walker, towed and rail excavators. Related to tracked tanks widely used by armies, these crawlers move upon the same rotating wheel systems, but also have the ability to dig, pick and transport excavated materials as they proceed.
Components
The crawler excavator components include a major crawler chassis, rotor support, the central swivel joints, turntables, the device weight, the panel, cab and air-conditioners.
Chassis
The chassis moves the excavator. It resembles a tank track, including planes and running track and operated by a motor-reducer pipe.
Applications
Crawler excavators are widely used in construction work, such as digging trenches, holes and foundations, as well as for handling materials, moving earth, demolition, dredging, etc. Other attachments adapt the crawler excavator for boring, ripping, crushing, cutting and lifting.