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A crawler excavator, also known as a track-type excavator or tracked excavator, is a type of heavy construction equipment primarily used for excavation and earthmoving tasks. It is characterized by its tracked undercarriage, which provides superior mobility and traction compared to wheeled excavators, especially in soft, uneven, or unstable ...
A tracked loader or crawler loader is an engineering vehicle consisting of a tracked chassis with a front bucket for digging and loading material. The history of tracked loaders can be defined by three evolutions of their design. Each of these evolutions made the tracked loader a more viable and versatile tool in the excavation industry.
By 1922, Link-Belt expanded into this crawler-mounted crane-shovel excavator market, complementing its locomotive cranes and material handling equipment. As the rail-based market shrank, Link-Belt's crawler-mounted line continued to grow. By the late 1930s, Link-Belt offered excavators ranging from a 3/4-yd to a 2-1/5-yd capacity.
2017: At Conexpo-Con/Agg 2017 Case released the CX750D excavator. [ 11 ] As of May 2017, according to Trade Arabia , Case "sells a full line of construction equipment around the world, including the number one loader/backhoes, excavators, motor graders, wheel loaders, vibratory compaction rollers, crawler dozers, skid steers, compact track ...
For example, Caterpillar's smallest mini-excavator weighs 2,060 pounds (930 kg) and has 13 hp; [8] their largest model is the largest excavator available (developed and produced by the Orenstein & Koppel, Germany, until the takeover 2011 by Caterpillar, named »RH400«), the CAT 6090, which weighs in excess of 2,160,510 pounds (979,990 kg), has ...
By its 50th anniversary in 1925, Link-Belt operated ten large manufacturing plants and 27 branch offices across the United States. It offered materials-handling products, including locomotive- and crawler-type cranes and excavators. By the 1930s, Link-Belt excavators ranged from 3/4-yd to a 2-1/5-yd capacity. Link-Belt Speeder Logo
Bagger 288 (Excavator 288), previously known as the MAN TAKRAF RB288 [2] built by the German company Krupp for the energy and mining firm Rheinbraun, is a bucket-wheel excavator or mobile strip mining machine. When its construction was completed in 1978, Bagger 288 superseded Big Muskie as the heaviest land vehicle in the world, at 13,500 tons. [3]
Gradually Universal Excavators designed by Bucyrus-Erie replaced Ruston & Hornsby designed models. The original range of standardised rope-operated machines included 10RB, 17RB, 19RB, and 33RB and were upgraded through some intermediate models including the 54RB to a main selling range in the 1960s of 22RB, 30RB, 38RB, 61RB, and 71RB.