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A Bobcat compact excavator. A compact or mini excavator is a tracked or wheeled vehicle with an approximate operating weight from 0.7 to 8.5 tonnes. [1] It generally includes a standard backfill blade and features independent boom swing.
The Bagger 288 bucket-wheel excavator, beside a Caterpillar Inc. model 824H front end loader for size comparison The excavating head itself is 21.6 m (70 ft 10 in) in diameter and has 18 buckets each holding 6.6 cubic metres (8.6 cu yd) of overburden.
Note the 40-ton CAT wheeled dozer at lower left for size comparison A bucket-wheel excavator (BWE) is a large heavy equipment machine used in surface mining . Their primary function is that of a continuous digging machine in large-scale open-pit mining operations, removing thousands of tons of overburden a day.
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 ...
After WWI, demand for excavators increased and in 1924 they reached an agreement to build Marion draglines from 1 to 8 cubic yards capacity. In 1927, they built Type-7 1-yard and Type-460 1.5-yard models. The deal to build Marion machines ended in 1936. R&R began building their own designs with the Type-4120 followed by the 4140 of 3.5 cubic yards.
Caterpillar 797 Series Comparison Chart; 797 797B 797F Introduction to Service: 1999: 2002: 2008 Nominal Payload Capacity : 360 short tons (327 t) 380 short tons (345 t) 400 short tons (363 t) Engine Power : 3,211 hp (2,394 kW) net: 3,370 hp (2,513 kW) net (SAE J1349) 3,793 hp (2,828 kW) net (SAE J1349) Engine Model : 3524B High Displacement EUI
Bagger 293, previously known as the MAN TAKRAF RB293, is a giant bucket-wheel excavator made by the German industrial company TAKRAF, formerly an East German Kombinat. [ 5 ] [ 6 ] It owns and shares some records for terrestrial vehicle size in the Guinness Book of Records .
The Type SRs 8000 or less commonly known as the SRs 8000-class, [8] is a family of bucket-wheel excavators known for being one of the largest terrestrial vehicles ever made by man, with Bagger 293 its - "lead vessel" - being the largest ground vehicle in history. [9]
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