crawler type principle

  • Crawler Tractor | Tractor & Construction Plant Wiki ...

    A crawler tractor (also called: track-type tractor, tracked vehicle or track-laying vehicle) is a vehicle that runs on tracks instead of wheels. Typically used as part of an Engineering vehicle once additional attachments have been added. The principal design advantages of tracked over wheeled...

  • Excavator | Types | Function Of Excavator | Engineering Intro

    Jun 27, 2012 · Crawler excavator; Crawler excavator runs on two endless tracks (chain wheel system). These types of excavators are used in hilly areas where risks of sliding of machinery are on the verge. Crawler type excavator has low ground pressure because of spreading of load on large area. Therefore, it is also used where soil support is weak.