Liebherr R 9150 hydraulic mining excavator is for pairing with 50-ton dump trucks. The R 9150, which replaces the Liebherr R 984 C, has an operating weight of 280,000 pounds in its backhoe ...
The L300 had a capacity of 3/8 cubic yard and weighed approximately 10 tons. In the 1950s, the heyday of cable-operated excavators, several manufacturers experimented with hydraulic systems in efforts ...