Without any
doubt, Terex RH 400 is the biggest hydraulic mining excavator in the world – 2.233.000 lb
use-weight is not a small number. The giant is 33.4 ft high, 28.3 ft wide and 27.7 ft long and it alone
weights over 2.2 Glb. It is really huge and its traction force amounts up to 889.000 lb . RH 400 has a
reference bucket of 58.9 yd3, which equals 198.00 lb . Loading shovel
can get as high as 66.3 ft .
Image source: www.motorstown.com
A machine
like that needs a lot of power. RH 400 is equipped with two 16-cyl engines that
together can develop power of 4398 horsepower.
Mining
excavator Terex RH 400 was first presented in Dortmund in 1997 and since then only six
machines were built. They were all shipped to America
– one to work in mine in the USA
and five to work in Canada .