Balfour Beatty RR - XEK2445 - Komatsu PW150
Photo of Balfour Beatty RR - XEK2445 at Wokingham - 16 November 2004. John Scotford.
Your comments
All comments are the opinions of their respective authors, and do not reflect the opinions of ontrackplant.com
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ian saunders
7 December 2007, 12:45:28
Do all the underground certified machines have to have the 3 stage arms
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Nick Tompkin
7 December 2007, 23:02:16
No. 3 piece booms (as opposed to monobloc booms) can be specified on certain types of excavator. I believe the benefit is that it gives the machine extra versitility in that it can dig virtually up to the railway wheels.
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simon warnes
8 December 2007, 12:13:37
I don't think they have to I think its just tick the option box.
As the boom can get closer to the machine it means the machine can change its lifting capacity whereas the monobloc booms can't it is also know as a articulated boom.
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rrop
29 September 2008, 19:24:24
the 3 piece boom straightens out more which makes working under ole easier
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