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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. [ 3 ] [ 4 ] 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, [6] 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. [7]
Bucket wheel excavators and bucket chain excavators take jobs that were previously accomplished by rope shovels and draglines. They have been replaced in most applications by hydraulic excavators , but still remain in use for very large-scale operations, where they can be used for the transfer of loose materials or the excavation of soft to ...
This page was last edited on 11 July 2009, at 23:27 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
The first overburden conveyor bridge was supplied in 1924, followed, two years later, in 1926, by fabrication of the first three bucket-wheel excavators. [ 5 ] The years following the foundation of TAKRAF, then known as ABUS, in 1948 saw supply of the first 60 meter moveable overburden conveyor bridge for the Welzon Sued lignite mine in 1973.
The bucket-wheel dimensions are 11.2 m (37 ft) in diameter with 14 buckets. [7] It is able to excavate a total capacity that can range between 4900 and 7000 m 3 /h with a digging force of around 100 kN/m. [7] [8] The bucket wheel excavator reaches 30 m digging height with a cutting depth of -10 meters. [5]
RB293 is a particular machine of the type SRs 8000. They are not two different excavators. Therefore I removed the confusing statement that SRs 8000 is now the biggest excavator instead of RB293. The confusion may have been caused by the English version of the TAKRAF website. The German version is clearer:
Bucket-wheel excavator: 220 m (721 ft 9 in) [4] 96 m (315 ft 0 in) 46 m (150 ft 11 in) 13,500 t (29,800,000 lb) 1978 Big Muskie: Dragline excavator: